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class="rno-header-crumbs-link-2">API 中心</a><i class="rno-header-crumbs-icon-2">></i><a href="/document/api/849" title="流计算 Oceanus" hotrep="document.article.breadcrumb" class="rno-header-crumbs-link-2">流计算 Oceanus</a><i class="rno-header-crumbs-icon-2">></i><a href="/document/api/849/52011" title="调用方式" hotrep="document.article.breadcrumb" class="rno-header-crumbs-link-2">调用方式</a><i class="rno-header-crumbs-icon-2">></i><span class="rno-header-crumbs-link-2 active">签名方法</span></div></div><div class="J-markdown-box"><div class="rno-title-module J-mainTitle"><h1 class="rno-title-module-title">签名方法</h1><div class="rno-title-module-body"><p class="rno-title-module-date">最近更新时间：<!-- -->2024-12-25 01:51:32</p><div class="rno-title-module-operate"><div class="J-docShareModal rno-title-module-btn share com-share-bubble-trigger c-triangle-align-start com-share-pc m-hidden" hotrep="document.share"><a class="J-docShareToggleBtn com-share-bubble-trigger-link com-opt-link" style="cursor:pointer"><i class="rno-title-module-share"></i></a><div class="c-bubble c-bubble-top com-share-bubble"><div class="c-bubble-inner"><ul class="com-share-bubble-opts"><li><span class="com-share-bubble-text"><i class="com-share-bubble-icon wechat"></i><span>微信扫一扫</span></span><div class="J-docShareQRCodeContainer com-share-bubble-code"><img src=""/></div></li><li><a class="J-docShareLink com-share-bubble-link" data-sharetype="qq" target="_blank" hotrep="document.share.qq" style="cursor:pointer"><i class="com-share-bubble-icon qq"></i><span>QQ</span></a></li><li><a class="J-docShareLink com-share-bubble-link" data-sharetype="weibo" target="_blank" hotrep="document.share.weibo" style="cursor:pointer"><i class="com-share-bubble-icon weibo"></i><span>新浪微博</span></a></li><li><div class="J-docShareCopyTipModal com-share-bubble-trigger"><a class="J-docShareCopySiteBtn com-share-bubble-link" style="cursor:pointer"><i class="com-share-bubble-icon link"></i><span>复制链接</span></a><div class="com-share-bubble c-bubble c-bubble-top com-share-bubble-msg"><div class="c-bubble-inner"><i class="icon"></i>链接复制成功</div></div></div></li></ul></div></div></div><a class="J-docFavoriteActBtn rno-title-module-btn" style="cursor:pointer"><i class="rno-title-module-fav"></i></a><a class="rno-title-module-btn fav J-myCollection" target="_blank"><span class="rno-title-module-text"><em>我的收藏</em></span></a></div></div></div><div class="rno-document-details-side"><div class="markdown-nav J-navContainer absolute" style="margin-left:0;top:179px"><h2 class="nav-title">本页目录：</h2><ul class="markdown-nav-list J-floatCategory"><li><a href="#1.-.E7.94.B3.E8.AF.B7.E5.AE.89.E5.85.A8.E5.87.AD.E8.AF.81" title="1. 申请安全凭证">1. 申请安全凭证</a></li><li><a href="#2.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2" title="2. 生成签名串">2. 生成签名串</a><ul><li><a href="#2.1.-.E5.AF.B9.E5.8F.82.E6.95.B0.E6.8E.92.E5.BA.8F" title="2.1. 对参数排序">2.1. 对参数排序</a></li><li><a href="#2.2.-.E6.8B.BC.E6.8E.A5.E8.AF.B7.E6.B1.82.E5.AD.97.E7.AC.A6.E4.B8.B2" title="2.2. 拼接请求字符串">2.2. 拼接请求字符串</a></li><li><a href="#2.3.-.E6.8B.BC.E6.8E.A5.E7.AD.BE.E5.90.8D.E5.8E.9F.E6.96.87.E5.AD.97.E7.AC.A6.E4.B8.B2" title="2.3. 拼接签名原文字符串">2.3. 拼接签名原文字符串</a></li><li><a href="#2.4.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2" title="2.4. 生成签名串">2.4. 生成签名串</a></li></ul></li><li><a href="#3.-.E7.AD.BE.E5.90.8D.E4.B8.B2.E7.BC.96.E7.A0.81" title="3. 签名串编码">3. 签名串编码</a></li><li><a href="#4.-.E7.AD.BE.E5.90.8D.E5.A4.B1.E8.B4.A5" title="4. 签名失败">4. 签名失败</a></li><li><a href="#5.-.E7.AD.BE.E5.90.8D.E6.BC.94.E7.A4.BA" title="5. 签名演示">5. 签名演示</a><ul><li><a href="#Java" title="Java">Java</a></li><li><a href="#Python" title="Python">Python</a></li><li><a href="#Golang" title="Golang">Golang</a></li><li><a href="#PHP" title="PHP">PHP</a></li><li><a href="#Ruby" title="Ruby">Ruby</a></li><li><a href="#DotNet" title="DotNet">DotNet</a></li><li><a href="#NodeJS" title="NodeJS">NodeJS</a></li></ul></li></ul></div></div><div id="docArticleContent" class="doc-article-content"><div class="markdown-text-box"><div class="glossary-product"><p>签名方法 v1 简单易用，但是功能和安全性都不如签名方法 v3，推荐使用签名方法 v3。</p> <p>首次接触，建议使用 <a href="https://console.cloud.tencent.com/api/explorer">API Explorer</a> 中的“签名串生成”功能，选择签名版本为“API 3.0 签名 v1”，可以生成签名过程进行验证，并提供了部分编程语言的签名示例，也可直接生成 SDK 代码。推荐使用腾讯云 API 配套的 8 种常见的编程语言 SDK，已经封装了签名和请求过程，均已开源，支持 <a href="https://github.com/TencentCloud/tencentcloud-sdk-python">Python</a>、<a href="https://github.com/TencentCloud/tencentcloud-sdk-java">Java</a>、<a href="https://github.com/TencentCloud/tencentcloud-sdk-php">PHP</a>、<a href="https://github.com/TencentCloud/tencentcloud-sdk-go">Go</a>、<a href="https://github.com/TencentCloud/tencentcloud-sdk-nodejs">NodeJS</a>、<a href="https://github.com/TencentCloud/tencentcloud-sdk-dotnet">.NET</a>、<a href="https://github.com/TencentCloud/tencentcloud-sdk-cpp">C++</a>、<a href="https://github.com/TencentCloud/tencentcloud-sdk-ruby">Ruby</a>。</p> <div class="rno-api-explorer"> <div class="rno-api-explorer-inner"> <div class="rno-api-explorer-hd"> <div class="rno-api-explorer-title"> 推荐使用 API Explorer </div> <a href="https://console.cloud.tencent.com/api/explorer?SignVersion=api3v1" class="rno-api-explorer-btn" hotrep="doc.api.explorerbtn"><i class="rno-icon-explorer"></i>点击调试</a> </div> <div class="rno-api-explorer-body"> <div class="rno-api-explorer-cont"> 您可以通过 API Explorer 的【签名串生成】模块查看每个接口签名的生成过程。 </div> </div> </div> </div> <p>腾讯云 API 会对每个访问请求进行身份验证，即每个请求都需要在公共请求参数中包含签名信息（Signature）以验证请求者身份。<br>签名信息由安全凭证生成，安全凭证包括 SecretId 和 SecretKey；若用户还没有安全凭证，请前往 <a href="https://console.cloud.tencent.com/capi">云API密钥页面</a> 申请，否则无法调用云 API 接口。</p> <h2 id="1.-.E7.94.B3.E8.AF.B7.E5.AE.89.E5.85.A8.E5.87.AD.E8.AF.81">1. 申请安全凭证</h2><p>在第一次使用云 API 之前，请前往 <a href="https://console.cloud.tencent.com/capi">云 API 密钥页面</a> 申请安全凭证。<br>安全凭证包括 SecretId 和 SecretKey：</p> <ul> <li>SecretId 用于标识 API 调用者身份</li> <li>SecretKey 用于加密签名字符串和服务器端验证签名字符串的密钥。</li> <li><strong>用户必须严格保管安全凭证，避免泄露。</strong></li> </ul> <p>申请安全凭证的具体步骤如下：</p> <ol> <li>登录 <a href="https://console.cloud.tencent.com/">腾讯云管理中心控制台</a> 。</li> <li>前往 <a href="https://console.cloud.tencent.com/capi">云 API 密钥</a> 的控制台页面</li> <li>在 <a href="https://console.cloud.tencent.com/capi">云 API 密钥</a> 页面，单击【新建密钥】即可以创建一对 SecretId/SecretKey。</li> </ol> <p>注意：每个账号最多可以拥有两对 SecretId/SecretKey。</p> <h2 id="2.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2">2. 生成签名串</h2><p>有了安全凭证 SecretId 和 SecretKey 后，就可以生成签名串了。以下是使用签名方法 v1 生成签名串的详细过程：</p> <p>假设用户的 SecretId 和 SecretKey 分别是：</p> <ul> <li>SecretId: <code>AKID********************************</code></li> <li>SecretKey: <code>********************************</code></li> </ul> <p><strong>注意：这里只是示例，请根据用户实际申请的 SecretId 和 SecretKey 进行后续操作！</strong></p> <p>以云服务器查看实例列表（DescribeInstances）请求为例，当用户调用这一接口时，其请求参数可能如下:</p> <table> <thead> <tr> <th>参数名称</th> <th>中文</th> <th>参数值</th> </tr> </thead> <tbody><tr> <td>Action</td> <td>方法名</td> <td>DescribeInstances</td> </tr> <tr> <td>SecretId</td> <td>密钥 ID</td> <td><code>AKID********************************</code></td> </tr> <tr> <td>Timestamp</td> <td>当前时间戳</td> <td>1465185768</td> </tr> <tr> <td>Nonce</td> <td>随机正整数</td> <td>11886</td> </tr> <tr> <td>Region</td> <td>实例所在区域</td> <td>ap-guangzhou</td> </tr> <tr> <td>InstanceIds.0</td> <td>待查询的实例 ID</td> <td>ins-09dx96dg</td> </tr> <tr> <td>Offset</td> <td>偏移量</td> <td>0</td> </tr> <tr> <td>Limit</td> <td>最大允许输出</td> <td>20</td> </tr> <tr> <td>Version</td> <td>接口版本号</td> <td>2017-03-12</td> </tr> </tbody></table> <p>这里只展示了部分公共参数和接口输入参数，用户可以根据实际需要添加其他参数，例如 Language 和 Token 公共参数。</p> <h3 id="2.1.-.E5.AF.B9.E5.8F.82.E6.95.B0.E6.8E.92.E5.BA.8F">2.1. 对参数排序</h3><p>首先对所有请求参数按参数名的字典序（ ASCII 码）升序排序。注意：1）只按参数名进行排序，参数值保持对应即可，不参与比大小；2）按 ASCII 码比大小，如 InstanceIds.2 要排在 InstanceIds.12 后面，不是按字母表，也不是按数值。用户可以借助编程语言中的相关排序函数来实现这一功能，如 PHP 中的 ksort 函数。上述示例参数的排序结果如下:</p> <p><pre><code>{ 'Action' : 'DescribeInstances', 'InstanceIds.0' : 'ins-09dx96dg', 'Limit' : 20, 'Nonce' : 11886, 'Offset' : 0, 'Region' : 'ap-guangzhou', 'SecretId' : 'AKID********************************', 'Timestamp' : 1465185768, 'Version': '2017-03-12', }</code></pre>使用其它程序设计语言开发时，可对上面示例中的参数进行排序，得到的结果一致即可。</p> <h3 id="2.2.-.E6.8B.BC.E6.8E.A5.E8.AF.B7.E6.B1.82.E5.AD.97.E7.AC.A6.E4.B8.B2">2.2. 拼接请求字符串</h3><p>此步骤生成请求字符串。<br>将把上一步排序好的请求参数格式化成“参数名称=参数值”的形式，如对 Action 参数，其参数名称为 "Action" ，参数值为 "DescribeInstances" ，因此格式化后就为 Action=DescribeInstances 。<br><strong>注意：“参数值”为原始值而非 url 编码后的值。</strong></p> <p>然后将格式化后的各个参数用"&"拼接在一起，最终生成的请求字符串为:</p> <p><pre><code>Action=DescribeInstances&InstanceIds.0=ins-09dx96dg&Limit=20&Nonce=11886&Offset=0&Region=ap-guangzhou&SecretId=AKID********************************&Timestamp=1465185768&Version=2017-03-12</code></pre></p> <h3 id="2.3.-.E6.8B.BC.E6.8E.A5.E7.AD.BE.E5.90.8D.E5.8E.9F.E6.96.87.E5.AD.97.E7.AC.A6.E4.B8.B2">2.3. 拼接签名原文字符串</h3><p>此步骤生成签名原文字符串。<br>签名原文字符串由以下几个参数构成:</p> <ol> <li>请求方法: 支持 POST 和 GET 方式，这里使用 GET 请求，注意方法为全大写。</li> <li>请求主机:查看实例列表(DescribeInstances)的请求域名为：cvm.tencentcloudapi.com。实际的请求域名根据接口所属模块的不同而不同，详见各接口说明。</li> <li>请求路径: 当前版本云API的请求路径固定为 / 。</li> <li>请求字符串: 即上一步生成的请求字符串。</li> </ol> <p>签名原文串的拼接规则为：<code>请求方法 + 请求主机 +请求路径 + ? + 请求字符串</code>。</p> <p>示例的拼接结果为：</p> <p><pre><code>GETcvm.tencentcloudapi.com/?Action=DescribeInstances&InstanceIds.0=ins-09dx96dg&Limit=20&Nonce=11886&Offset=0&Region=ap-guangzhou&SecretId=AKID********************************&Timestamp=1465185768&Version=2017-03-12</code></pre></p> <h3 id="2.4.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2">2.4. 生成签名串</h3><p>此步骤生成签名串。<br>首先使用 HMAC-SHA1 算法对上一步中获得的<strong>签名原文字符串</strong>进行签名，然后将生成的签名串使用 Base64 进行编码，即可获得最终的签名串。</p> <p>具体代码如下，以 PHP 语言为例：</p> <p><pre><code>$secretKey = '********************************'; $srcStr = 'GETcvm.tencentcloudapi.com/?Action=DescribeInstances&InstanceIds.0=ins-09dx96dg&Limit=20&Nonce=11886&Offset=0&Region=ap-guangzhou&SecretId=AKID********************************&Timestamp=1465185768&Version=2017-03-12'; $signStr = base64_encode(hash_hmac('sha1', $srcStr, $secretKey, true)); echo $signStr;</code></pre></p> <p>最终得到的签名串为：</p> <p><pre><code>7RAM2xfNMO9EiVTNmPg06MRnCvQ=</code></pre></p> <p>使用其它程序设计语言开发时，可用上面示例中的原文进行签名验证，得到的签名串与例子中的一致即可。</p> <h2 id="3.-.E7.AD.BE.E5.90.8D.E4.B8.B2.E7.BC.96.E7.A0.81">3. 签名串编码</h2><p>生成的签名串并不能直接作为请求参数，需要对其进行 URL 编码。</p> <p>如上一步生成的签名串为 7RAM2xfNMO9EiVTNmPg06MRnCvQ= ，最终得到的签名串请求参数（Signature）为：7RAM2xfNMO9EiVTNmPg06MRnCvQ%3D，它将用于生成最终的请求 URL。</p> <p><strong>注意：如果用户的请求方法是 GET，或者请求方法为 POST 同时 Content-Type 为 application/x-www-form-urlencoded，则发送请求时所有请求参数的值均需要做 URL 编码，参数键和=符号不需要编码。非 ASCII 字符在 URL 编码前需要先以 UTF-8 进行编码。</strong></p> <p><strong>注意：有些编程语言的网络库会自动为所有参数进行 urlencode，在这种情况下，就不需要对签名串进行 URL 编码了，否则两次 URL 编码会导致签名失败。</strong></p> <p><strong>注意：其他参数值也需要进行编码，编码采用 <a href="http://tools.ietf.org/html/rfc3986">RFC 3986</a>。使用 %XY 对特殊字符例如汉字进行百分比编码，其中“X”和“Y”为十六进制字符（0-9 和大写字母 A-F），使用小写将引发错误。</strong></p> <h2 id="4.-.E7.AD.BE.E5.90.8D.E5.A4.B1.E8.B4.A5">4. 签名失败</h2><p>根据实际情况，存在以下签名失败的错误码，请根据实际情况处理。</p> <table> <thead> <tr> <th>错误代码</th> <th>错误描述</th> </tr> </thead> <tbody><tr> <td>AuthFailure.SignatureExpire</td> <td>签名过期</td> </tr> <tr> <td>AuthFailure.SecretIdNotFound</td> <td>密钥不存在</td> </tr> <tr> <td>AuthFailure.SignatureFailure</td> <td>签名错误</td> </tr> <tr> <td>AuthFailure.TokenFailure</td> <td>token 错误</td> </tr> <tr> <td>AuthFailure.InvalidSecretId</td> <td>密钥非法（不是云 API 密钥类型）</td> </tr> </tbody></table> <h2 id="5.-.E7.AD.BE.E5.90.8D.E6.BC.94.E7.A4.BA">5. 签名演示</h2><p>在实际调用 API 3.0 时，推荐使用配套的腾讯云 SDK 3.0 ，SDK 封装了签名的过程，开发时只关注产品提供的具体接口即可。详细信息参见 <a href="https://cloud.tencent.com/document/sdk">SDK 中心</a>。当前支持的编程语言有：</p> <ul> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-python">Python</a></li> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-java">Java</a></li> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-php">PHP</a></li> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-go">Go</a></li> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-nodejs">NodeJS</a></li> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-dotnet">.NET</a></li> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-cpp">C++</a></li> <li><a href="https://github.com/TencentCloud/tencentcloud-sdk-ruby">Ruby</a></li> </ul> <p>下面提供了不同产品的生成签名 demo，您可以找到对应的产品参考签名的生成：</p> <ul> <li><a href="https://github.com/TencentCloud/signature-process-demo">Signature Demo</a></li> </ul> <p>为了更清楚的解释签名过程，下面以实际编程语言为例，将上述的签名过程具体实现。请求的域名、调用的接口和参数的取值都以上述签名过程为准，代码只为解释签名过程，并不具备通用性，实际开发请尽量使用 SDK 。</p> <p>最终输出的 url 可能为：<code>https://cvm.tencentcloudapi.com/?Action=DescribeInstances&InstanceIds.0=ins-09dx96dg&Limit=20&Nonce=11886&Offset=0&Region=ap-guangzhou&SecretId=AKID********************************&Signature=7RAM2xfNMO9EiVTNmPg06MRnCvQ%3D&Timestamp=1465185768&Version=2017-03-12</code>。</p> <p>注意：由于示例中的密钥是虚构的，时间戳也不是系统当前时间，因此如果将此 url 在浏览器中打开或者用 curl 等命令调用时会返回鉴权错误：签名过期。为了得到一个可以正常返回的 url ，需要修改示例中的 SecretId 和 SecretKey 为真实的密钥，并使用系统当前时间戳作为 Timestamp 。</p> <p>注意：在下面的示例中，不同编程语言，甚至同一语言每次执行得到的 url 可能都有所不同，表现为参数的顺序不同，但这并不影响正确性。只要所有参数都在，且签名计算正确即可。</p> <p>注意：以下代码仅适用于 API 3.0，不能直接用于其他的签名流程，请以对应的实际文档为准。</p> <h3 id="Java">Java</h3><p><pre><code class="language-java"><span class="hljs-keyword">import</span> java.io.UnsupportedEncodingException; <span class="hljs-keyword">import</span> java.net.URLEncoder; <span class="hljs-keyword">import</span> java.util.Random; <span class="hljs-keyword">import</span> java.util.TreeMap; <span class="hljs-keyword">import</span> javax.crypto.Mac; <span class="hljs-keyword">import</span> javax.crypto.spec.SecretKeySpec; <span class="hljs-keyword">import</span> javax.xml.bind.DatatypeConverter; <span class="hljs-keyword">public</span> <span class="hljs-keyword">class</span> <span class="hljs-title class_">TencentCloudAPIDemo</span> { <span class="hljs-keyword">private</span> <span class="hljs-keyword">final</span> <span class="hljs-keyword">static</span> <span class="hljs-type">String</span> <span class="hljs-variable">CHARSET</span> <span class="hljs-operator">=</span> <span class="hljs-string">"UTF-8"</span>; <span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> String <span class="hljs-title function_">sign</span><span class="hljs-params">(String s, String key, String method)</span> <span class="hljs-keyword">throws</span> Exception { <span class="hljs-type">Mac</span> <span class="hljs-variable">mac</span> <span class="hljs-operator">=</span> Mac.getInstance(method); <span class="hljs-type">SecretKeySpec</span> <span class="hljs-variable">secretKeySpec</span> <span class="hljs-operator">=</span> <span class="hljs-keyword">new</span> <span class="hljs-title class_">SecretKeySpec</span>(key.getBytes(CHARSET), mac.getAlgorithm()); mac.init(secretKeySpec); <span class="hljs-type">byte</span>[] hash = mac.doFinal(s.getBytes(CHARSET)); <span class="hljs-keyword">return</span> DatatypeConverter.printBase64Binary(hash); } <span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> String <span class="hljs-title function_">getStringToSign</span><span class="hljs-params">(TreeMap<String, Object> params)</span> { <span class="hljs-type">StringBuilder</span> <span class="hljs-variable">s2s</span> <span class="hljs-operator">=</span> <span class="hljs-keyword">new</span> <span class="hljs-title class_">StringBuilder</span>(<span class="hljs-string">"GETcvm.tencentcloudapi.com/?"</span>); <span class="hljs-comment">// 签名时要求对参数进行字典排序，此处用TreeMap保证顺序</span> <span class="hljs-keyword">for</span> (String k : params.keySet()) { s2s.append(k).append(<span class="hljs-string">"="</span>).append(params.get(k).toString()).append(<span class="hljs-string">"&"</span>); } <span class="hljs-keyword">return</span> s2s.toString().substring(<span class="hljs-number">0</span>, s2s.length() - <span class="hljs-number">1</span>); } <span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> String <span class="hljs-title function_">getUrl</span><span class="hljs-params">(TreeMap<String, Object> params)</span> <span class="hljs-keyword">throws</span> UnsupportedEncodingException { <span class="hljs-type">StringBuilder</span> <span class="hljs-variable">url</span> <span class="hljs-operator">=</span> <span class="hljs-keyword">new</span> <span class="hljs-title class_">StringBuilder</span>(<span class="hljs-string">"https://cvm.tencentcloudapi.com/?"</span>); <span class="hljs-comment">// 实际请求的url中对参数顺序没有要求</span> <span class="hljs-keyword">for</span> (String k : params.keySet()) { <span class="hljs-comment">// 需要对请求串进行urlencode，由于key都是英文字母，故此处仅对其value进行urlencode</span> url.append(k).append(<span class="hljs-string">"="</span>).append(URLEncoder.encode(params.get(k).toString(), CHARSET)).append(<span class="hljs-string">"&"</span>); } <span class="hljs-keyword">return</span> url.toString().substring(<span class="hljs-number">0</span>, url.length() - <span class="hljs-number">1</span>); } <span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title function_">main</span><span class="hljs-params">(String[] args)</span> <span class="hljs-keyword">throws</span> Exception { TreeMap<String, Object> params = <span class="hljs-keyword">new</span> <span class="hljs-title class_">TreeMap</span><String, Object>(); <span class="hljs-comment">// TreeMap可以自动排序</span> <span class="hljs-comment">// 实际调用时应当使用随机数，例如：params.put("Nonce", new Random().nextInt(java.lang.Integer.MAX_VALUE));</span> params.put(<span class="hljs-string">"Nonce"</span>, <span class="hljs-number">11886</span>); <span class="hljs-comment">// 公共参数</span> <span class="hljs-comment">// 实际调用时应当使用系统当前时间，例如： params.put("Timestamp", System.currentTimeMillis() / 1000);</span> params.put(<span class="hljs-string">"Timestamp"</span>, <span class="hljs-number">1465185768</span>); <span class="hljs-comment">// 公共参数</span> <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************</span> params.put(<span class="hljs-string">"SecretId"</span>, System.getenv(<span class="hljs-string">"TENCENTCLOUD_SECRET_ID"</span>)); <span class="hljs-comment">// 公共参数</span> params.put(<span class="hljs-string">"Action"</span>, <span class="hljs-string">"DescribeInstances"</span>); <span class="hljs-comment">// 公共参数</span> params.put(<span class="hljs-string">"Version"</span>, <span class="hljs-string">"2017-03-12"</span>); <span class="hljs-comment">// 公共参数</span> params.put(<span class="hljs-string">"Region"</span>, <span class="hljs-string">"ap-guangzhou"</span>); <span class="hljs-comment">// 公共参数</span> params.put(<span class="hljs-string">"Limit"</span>, <span class="hljs-number">20</span>); <span class="hljs-comment">// 业务参数</span> params.put(<span class="hljs-string">"Offset"</span>, <span class="hljs-number">0</span>); <span class="hljs-comment">// 业务参数</span> params.put(<span class="hljs-string">"InstanceIds.0"</span>, <span class="hljs-string">"ins-09dx96dg"</span>); <span class="hljs-comment">// 业务参数</span> <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************</span> params.put(<span class="hljs-string">"Signature"</span>, sign(getStringToSign(params), System.getenv(<span class="hljs-string">"TENCENTCLOUD_SECRET_KEY"</span>), <span class="hljs-string">"HmacSHA1"</span>)); <span class="hljs-comment">// 公共参数</span> System.out.println(getUrl(params)); } }</code></pre> </p> <h3 id="Python">Python</h3><p>注意：如果是在 Python 2 环境中运行，需要先安装 requests 依赖包： <code>pip install requests</code> 。</p> <p><pre><code class="language-python"><span class="hljs-comment"># -*- coding: utf8 -*-</span> <span class="hljs-keyword">import</span> base64 <span class="hljs-keyword">import</span> hashlib <span class="hljs-keyword">import</span> hmac <span class="hljs-keyword">import</span> os <span class="hljs-keyword">import</span> time <span class="hljs-keyword">import</span> requests <span class="hljs-comment"># 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************</span> secret_id = os.environ.get(<span class="hljs-string">"TENCENTCLOUD_SECRET_ID"</span>) <span class="hljs-comment"># 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************</span> secret_key = os.environ.get(<span class="hljs-string">"TENCENTCLOUD_SECRET_KEY"</span>) <span class="hljs-keyword">def</span> <span class="hljs-title function_">get_string_to_sign</span>(<span class="hljs-params">method, endpoint, params</span>): s = method + endpoint + <span class="hljs-string">"/?"</span> query_str = <span class="hljs-string">"&"</span>.join(<span class="hljs-string">"%s=%s"</span> % (k, params[k]) <span class="hljs-keyword">for</span> k <span class="hljs-keyword">in</span> <span class="hljs-built_in">sorted</span>(params)) <span class="hljs-keyword">return</span> s + query_str <span class="hljs-keyword">def</span> <span class="hljs-title function_">sign_str</span>(<span class="hljs-params">key, s, method</span>): hmac_str = hmac.new(key.encode(<span class="hljs-string">"utf8"</span>), s.encode(<span class="hljs-string">"utf8"</span>), method).digest() <span class="hljs-keyword">return</span> base64.b64encode(hmac_str) <span class="hljs-keyword">if</span> __name__ == <span class="hljs-string">'__main__'</span>: endpoint = <span class="hljs-string">"cvm.tencentcloudapi.com"</span> data = { <span class="hljs-string">'Action'</span> : <span class="hljs-string">'DescribeInstances'</span>, <span class="hljs-string">'InstanceIds.0'</span> : <span class="hljs-string">'ins-09dx96dg'</span>, <span class="hljs-string">'Limit'</span> : <span class="hljs-number">20</span>, <span class="hljs-string">'Nonce'</span> : <span class="hljs-number">11886</span>, <span class="hljs-string">'Offset'</span> : <span class="hljs-number">0</span>, <span class="hljs-string">'Region'</span> : <span class="hljs-string">'ap-guangzhou'</span>, <span class="hljs-string">'SecretId'</span> : secret_id, <span class="hljs-string">'Timestamp'</span> : <span class="hljs-number">1465185768</span>, <span class="hljs-comment"># int(time.time())</span> <span class="hljs-string">'Version'</span>: <span class="hljs-string">'2017-03-12'</span> } s = get_string_to_sign(<span class="hljs-string">"GET"</span>, endpoint, data) data[<span class="hljs-string">"Signature"</span>] = sign_str(secret_key, s, hashlib.sha1) <span class="hljs-built_in">print</span>(data[<span class="hljs-string">"Signature"</span>]) <span class="hljs-comment"># 此处会实际调用，成功后可能产生计费</span> <span class="hljs-comment"># resp = requests.get("https://" + endpoint, params=data)</span> <span class="hljs-comment"># print(resp.url)</span></code></pre> </p> <h3 id="Golang">Golang</h3><p><pre><code class="language-go"><span class="hljs-keyword">package</span> main <span class="hljs-keyword">import</span> ( <span class="hljs-string">"bytes"</span> <span class="hljs-string">"crypto/hmac"</span> <span class="hljs-string">"crypto/sha1"</span> <span class="hljs-string">"encoding/base64"</span> <span class="hljs-string">"fmt"</span> <span class="hljs-string">"os"</span> <span class="hljs-string">"sort"</span> <span class="hljs-string">"strconv"</span> ) <span class="hljs-function"><span class="hljs-keyword">func</span> <span class="hljs-title">main</span><span class="hljs-params">()</span></span> { <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************</span> secretId := os.Getenv(<span class="hljs-string">"TENCENTCLOUD_SECRET_ID"</span>) <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************</span> secretKey := os.Getenv(<span class="hljs-string">"TENCENTCLOUD_SECRET_KEY"</span>) params := <span class="hljs-keyword">map</span>[<span class="hljs-keyword">string</span>]<span class="hljs-keyword">string</span>{ <span class="hljs-string">"Nonce"</span>: <span class="hljs-string">"11886"</span>, <span class="hljs-string">"Timestamp"</span>: strconv.Itoa(<span class="hljs-number">1465185768</span>), <span class="hljs-string">"Region"</span>: <span class="hljs-string">"ap-guangzhou"</span>, <span class="hljs-string">"SecretId"</span>: secretId, <span class="hljs-string">"Version"</span>: <span class="hljs-string">"2017-03-12"</span>, <span class="hljs-string">"Action"</span>: <span class="hljs-string">"DescribeInstances"</span>, <span class="hljs-string">"InstanceIds.0"</span>: <span class="hljs-string">"ins-09dx96dg"</span>, <span class="hljs-string">"Limit"</span>: strconv.Itoa(<span class="hljs-number">20</span>), <span class="hljs-string">"Offset"</span>: strconv.Itoa(<span class="hljs-number">0</span>), } <span class="hljs-keyword">var</span> buf bytes.Buffer buf.WriteString(<span class="hljs-string">"GET"</span>) buf.WriteString(<span class="hljs-string">"cvm.tencentcloudapi.com"</span>) buf.WriteString(<span class="hljs-string">"/"</span>) buf.WriteString(<span class="hljs-string">"?"</span>) <span class="hljs-comment">// sort keys by ascii asc order</span> keys := <span class="hljs-built_in">make</span>([]<span class="hljs-keyword">string</span>, <span class="hljs-number">0</span>, <span class="hljs-built_in">len</span>(params)) <span class="hljs-keyword">for</span> k, _ := <span class="hljs-keyword">range</span> params { keys = <span class="hljs-built_in">append</span>(keys, k) } sort.Strings(keys) <span class="hljs-keyword">for</span> i := <span class="hljs-keyword">range</span> keys { k := keys[i] buf.WriteString(k) buf.WriteString(<span class="hljs-string">"="</span>) buf.WriteString(params[k]) buf.WriteString(<span class="hljs-string">"&"</span>) } buf.Truncate(buf.Len() - <span class="hljs-number">1</span>) hashed := hmac.New(sha1.New, []<span class="hljs-keyword">byte</span>(secretKey)) hashed.Write(buf.Bytes()) fmt.Println(base64.StdEncoding.EncodeToString(hashed.Sum(<span class="hljs-literal">nil</span>))) }</code></pre> </p> <h3 id="PHP">PHP</h3><p><pre><code class="language-php"><span class="hljs-meta"><?php</span> <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************</span> <span class="hljs-variable">$secretId</span> = getenv(<span class="hljs-string">"TENCENTCLOUD_SECRET_ID"</span>); <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************</span> <span class="hljs-variable">$secretKey</span> = getenv(<span class="hljs-string">"TENCENTCLOUD_SECRET_KEY"</span>); <span class="hljs-variable">$param</span>[<span class="hljs-string">"Nonce"</span>] = <span class="hljs-number">11886</span>;<span class="hljs-comment">//rand();</span> <span class="hljs-variable">$param</span>[<span class="hljs-string">"Timestamp"</span>] = <span class="hljs-number">1465185768</span>;<span class="hljs-comment">//time();</span> <span class="hljs-variable">$param</span>[<span class="hljs-string">"Region"</span>] = <span class="hljs-string">"ap-guangzhou"</span>; <span class="hljs-variable">$param</span>[<span class="hljs-string">"SecretId"</span>] = <span class="hljs-variable">$secretId</span>; <span class="hljs-variable">$param</span>[<span class="hljs-string">"Version"</span>] = <span class="hljs-string">"2017-03-12"</span>; <span class="hljs-variable">$param</span>[<span class="hljs-string">"Action"</span>] = <span class="hljs-string">"DescribeInstances"</span>; <span class="hljs-variable">$param</span>[<span class="hljs-string">"InstanceIds.0"</span>] = <span class="hljs-string">"ins-09dx96dg"</span>; <span class="hljs-variable">$param</span>[<span class="hljs-string">"Limit"</span>] = <span class="hljs-number">20</span>; <span class="hljs-variable">$param</span>[<span class="hljs-string">"Offset"</span>] = <span class="hljs-number">0</span>; ksort(<span class="hljs-variable">$param</span>); <span class="hljs-variable">$signStr</span> = <span class="hljs-string">"GETcvm.tencentcloudapi.com/?"</span>; <span class="hljs-keyword">foreach</span> ( <span class="hljs-variable">$param</span> <span class="hljs-keyword">as</span> <span class="hljs-variable">$key</span> => <span class="hljs-variable">$value</span> ) { <span class="hljs-variable">$signStr</span> = <span class="hljs-variable">$signStr</span> . <span class="hljs-variable">$key</span> . <span class="hljs-string">"="</span> . <span class="hljs-variable">$value</span> . <span class="hljs-string">"&"</span>; } <span class="hljs-variable">$signStr</span> = substr(<span class="hljs-variable">$signStr</span>, <span class="hljs-number">0</span>, -<span class="hljs-number">1</span>); <span class="hljs-variable">$signature</span> = base64_encode(hash_hmac(<span class="hljs-string">"sha1"</span>, <span class="hljs-variable">$signStr</span>, <span class="hljs-variable">$secretKey</span>, <span class="hljs-literal">true</span>)); <span class="hljs-keyword">echo</span> <span class="hljs-variable">$signature</span>.PHP_EOL; <span class="hljs-comment">// need to install and enable curl extension in php.ini</span> <span class="hljs-comment">// $param["Signature"] = $signature;</span> <span class="hljs-comment">// $url = "https://cvm.tencentcloudapi.com/?".http_build_query($param);</span> <span class="hljs-comment">// echo $url.PHP_EOL;</span> <span class="hljs-comment">// $ch = curl_init();</span> <span class="hljs-comment">// curl_setopt($ch, CURLOPT_URL, $url);</span> <span class="hljs-comment">// $output = curl_exec($ch);</span> <span class="hljs-comment">// curl_close($ch);</span> <span class="hljs-comment">// echo json_decode($output);</span></code></pre> </p> <h3 id="Ruby">Ruby</h3><p><pre><code class="language-ruby"><span class="hljs-comment"># -*- coding: UTF-8 -*-</span> <span class="hljs-comment"># require ruby>=2.3.0</span> <span class="hljs-keyword">require</span> <span class="hljs-string">'time'</span> <span class="hljs-keyword">require</span> <span class="hljs-string">'openssl'</span> <span class="hljs-keyword">require</span> <span class="hljs-string">'base64'</span> <span class="hljs-comment"># 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************</span> secret_id = ENV[<span class="hljs-string">"TENCENTCLOUD_SECRET_ID"</span>] <span class="hljs-comment"># 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************</span> secret_key = ENV[<span class="hljs-string">"TENCENTCLOUD_SECRET_KEY"</span>] method = <span class="hljs-string">'GET'</span> endpoint = <span class="hljs-string">'cvm.tencentcloudapi.com'</span> data = { <span class="hljs-string">'Action'</span> => <span class="hljs-string">'DescribeInstances'</span>, <span class="hljs-string">'InstanceIds.0'</span> => <span class="hljs-string">'ins-09dx96dg'</span>, <span class="hljs-string">'Limit'</span> => <span class="hljs-number">20</span>, <span class="hljs-string">'Nonce'</span> => <span class="hljs-number">11886</span>, <span class="hljs-string">'Offset'</span> => <span class="hljs-number">0</span>, <span class="hljs-string">'Region'</span> => <span class="hljs-string">'ap-guangzhou'</span>, <span class="hljs-string">'SecretId'</span> => secret_id, <span class="hljs-string">'Timestamp'</span> => <span class="hljs-number">1465185768</span>, <span class="hljs-comment"># Time.now.to_i</span> <span class="hljs-string">'Version'</span> => <span class="hljs-string">'2017-03-12'</span>, } sign = method + endpoint + <span class="hljs-string">'/?'</span> params = [] data.sort.each <span class="hljs-keyword">do</span> <span class="hljs-params">|item|</span> params << <span class="hljs-string">"<span class="hljs-subst">#{item[<span class="hljs-number">0</span>]}</span>=<span class="hljs-subst">#{item[<span class="hljs-number">1</span>]}</span>"</span> <span class="hljs-keyword">end</span> sign += params.join(<span class="hljs-string">'&'</span>) digest = OpenSSL::Digest.new(<span class="hljs-string">'sha1'</span>) data[<span class="hljs-string">'Signature'</span>] = Base64.encode64(OpenSSL::HMAC.digest(digest, secret_key, sign)) puts data[<span class="hljs-string">'Signature'</span>] <span class="hljs-comment"># require 'net/http'</span> <span class="hljs-comment"># uri = URI('https://' + endpoint)</span> <span class="hljs-comment"># uri.query = URI.encode_www_form(data)</span> <span class="hljs-comment"># p uri</span> <span class="hljs-comment"># res = Net::HTTP.get_response(uri)</span> <span class="hljs-comment"># puts res.body</span></code></pre> </p> <h3 id="DotNet">DotNet</h3><p><pre><code class="language-csharp"><span class="hljs-keyword">using</span> System; <span class="hljs-keyword">using</span> System.Collections.Generic; <span class="hljs-keyword">using</span> System.Net; <span class="hljs-keyword">using</span> System.Security.Cryptography; <span class="hljs-keyword">using</span> System.Text; <span class="hljs-keyword">public</span> <span class="hljs-keyword">class</span> <span class="hljs-title">Application</span> { <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-built_in">string</span> <span class="hljs-title">Sign</span>(<span class="hljs-params"><span class="hljs-built_in">string</span> signKey, <span class="hljs-built_in">string</span> secret</span>)</span> { <span class="hljs-built_in">string</span> signRet = <span class="hljs-built_in">string</span>.Empty; <span class="hljs-keyword">using</span> (HMACSHA1 mac = <span class="hljs-keyword">new</span> HMACSHA1(Encoding.UTF8.GetBytes(signKey))) { <span class="hljs-built_in">byte</span>[] hash = mac.ComputeHash(Encoding.UTF8.GetBytes(secret)); signRet = Convert.ToBase64String(hash); } <span class="hljs-keyword">return</span> signRet; } <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-built_in">string</span> <span class="hljs-title">MakeSignPlainText</span>(<span class="hljs-params">SortedDictionary<<span class="hljs-built_in">string</span>, <span class="hljs-built_in">string</span>> requestParams, <span class="hljs-built_in">string</span> requestMethod, <span class="hljs-built_in">string</span> requestHost, <span class="hljs-built_in">string</span> requestPath</span>)</span> { <span class="hljs-built_in">string</span> retStr = <span class="hljs-string">""</span>; retStr += requestMethod; retStr += requestHost; retStr += requestPath; retStr += <span class="hljs-string">"?"</span>; <span class="hljs-built_in">string</span> v = <span class="hljs-string">""</span>; <span class="hljs-keyword">foreach</span> (<span class="hljs-built_in">string</span> key <span class="hljs-keyword">in</span> requestParams.Keys) { v += <span class="hljs-built_in">string</span>.Format(<span class="hljs-string">"{0}={1}&"</span>, key, requestParams[key]); } retStr += v.TrimEnd(<span class="hljs-string">'&'</span>); <span class="hljs-keyword">return</span> retStr; } <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title">Main</span>(<span class="hljs-params"><span class="hljs-built_in">string</span>[] args</span>)</span> { <span class="hljs-comment">// 密钥参数</span> <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************</span> <span class="hljs-built_in">string</span> SECRET_ID = Environment.GetEnvironmentVariable(<span class="hljs-string">"TENCENTCLOUD_SECRET_ID"</span>); <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************</span> <span class="hljs-built_in">string</span> SECRET_KEY = Environment.GetEnvironmentVariable(<span class="hljs-string">"TENCENTCLOUD_SECRET_KEY"</span>); <span class="hljs-built_in">string</span> endpoint = <span class="hljs-string">"cvm.tencentcloudapi.com"</span>; <span class="hljs-built_in">string</span> region = <span class="hljs-string">"ap-guangzhou"</span>; <span class="hljs-built_in">string</span> action = <span class="hljs-string">"DescribeInstances"</span>; <span class="hljs-built_in">string</span> version = <span class="hljs-string">"2017-03-12"</span>; <span class="hljs-built_in">double</span> RequestTimestamp = <span class="hljs-number">1465185768</span>; <span class="hljs-comment">// 时间戳 2019-02-26 00:44:25,此参数作为示例，以实际为准</span> <span class="hljs-comment">// long timestamp = ToTimestamp() / 1000;</span> <span class="hljs-comment">// string requestTimestamp = timestamp.ToString();</span> Dictionary<<span class="hljs-built_in">string</span>, <span class="hljs-built_in">string</span>> param = <span class="hljs-keyword">new</span> Dictionary<<span class="hljs-built_in">string</span>, <span class="hljs-built_in">string</span>>(); param.Add(<span class="hljs-string">"Limit"</span>, <span class="hljs-string">"20"</span>); param.Add(<span class="hljs-string">"Offset"</span>, <span class="hljs-string">"0"</span>); param.Add(<span class="hljs-string">"InstanceIds.0"</span>, <span class="hljs-string">"ins-09dx96dg"</span>); param.Add(<span class="hljs-string">"Action"</span>, action); param.Add(<span class="hljs-string">"Nonce"</span>, <span class="hljs-string">"11886"</span>); <span class="hljs-comment">// param.Add("Nonce", Math.Abs(new Random().Next()).ToString());</span> param.Add(<span class="hljs-string">"Timestamp"</span>, RequestTimestamp.ToString()); param.Add(<span class="hljs-string">"Version"</span>, version); param.Add(<span class="hljs-string">"SecretId"</span>, SECRET_ID); param.Add(<span class="hljs-string">"Region"</span>, region); SortedDictionary<<span class="hljs-built_in">string</span>, <span class="hljs-built_in">string</span>> headers = <span class="hljs-keyword">new</span> SortedDictionary<<span class="hljs-built_in">string</span>, <span class="hljs-built_in">string</span>>(param, StringComparer.Ordinal); <span class="hljs-built_in">string</span> sigInParam = MakeSignPlainText(headers, <span class="hljs-string">"GET"</span>, endpoint, <span class="hljs-string">"/"</span>); <span class="hljs-built_in">string</span> sigOutParam = Sign(SECRET_KEY, sigInParam); Console.WriteLine(sigOutParam); } }</code></pre> </p> <h3 id="NodeJS">NodeJS</h3><p><pre><code class="language-javascript"><span class="hljs-keyword">const</span> crypto = <span class="hljs-built_in">require</span>(<span class="hljs-string">'crypto'</span>); <span class="hljs-keyword">function</span> <span class="hljs-title function_">get_req_url</span>(<span class="hljs-params">params, endpoint</span>){ params[<span class="hljs-string">'Signature'</span>] = <span class="hljs-built_in">encodeURIComponent</span>(params[<span class="hljs-string">'Signature'</span>]); <span class="hljs-keyword">const</span> url_strParam = <span class="hljs-title function_">sort_params</span>(params) <span class="hljs-keyword">return</span> <span class="hljs-string">"https://"</span> + endpoint + <span class="hljs-string">"/?"</span> + url_strParam.<span class="hljs-title function_">slice</span>(<span class="hljs-number">1</span>); } <span class="hljs-keyword">function</span> <span class="hljs-title function_">formatSignString</span>(<span class="hljs-params">reqMethod, endpoint, path, strParam</span>){ <span class="hljs-keyword">let</span> strSign = reqMethod + endpoint + path + <span class="hljs-string">"?"</span> + strParam.<span class="hljs-title function_">slice</span>(<span class="hljs-number">1</span>); <span class="hljs-keyword">return</span> strSign; } <span class="hljs-keyword">function</span> <span class="hljs-title function_">sha1</span>(<span class="hljs-params">secretKey, strsign</span>){ <span class="hljs-keyword">let</span> signMethodMap = {<span class="hljs-string">'HmacSHA1'</span>: <span class="hljs-string">"sha1"</span>}; <span class="hljs-keyword">let</span> hmac = crypto.<span class="hljs-title function_">createHmac</span>(signMethodMap[<span class="hljs-string">'HmacSHA1'</span>], secretKey || <span class="hljs-string">""</span>); <span class="hljs-keyword">return</span> hmac.<span class="hljs-title function_">update</span>(<span class="hljs-title class_">Buffer</span>.<span class="hljs-title function_">from</span>(strsign, <span class="hljs-string">'utf8'</span>)).<span class="hljs-title function_">digest</span>(<span class="hljs-string">'base64'</span>) } <span class="hljs-keyword">function</span> <span class="hljs-title function_">sort_params</span>(<span class="hljs-params">params</span>){ <span class="hljs-keyword">let</span> strParam = <span class="hljs-string">""</span>; <span class="hljs-keyword">let</span> keys = <span class="hljs-title class_">Object</span>.<span class="hljs-title function_">keys</span>(params); keys.<span class="hljs-title function_">sort</span>(); <span class="hljs-keyword">for</span> (<span class="hljs-keyword">let</span> k <span class="hljs-keyword">in</span> keys) { <span class="hljs-comment">//k = k.replace(/_/g, '.');</span> strParam += (<span class="hljs-string">"&"</span> + keys[k] + <span class="hljs-string">"="</span> + params[keys[k]]); } <span class="hljs-keyword">return</span> strParam } <span class="hljs-keyword">function</span> <span class="hljs-title function_">main</span>(<span class="hljs-params"></span>){ <span class="hljs-comment">// 密钥参数</span> <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************</span> <span class="hljs-keyword">const</span> <span class="hljs-variable constant_">SECRET_ID</span> = process.<span class="hljs-property">env</span>.<span class="hljs-property">TENCENTCLOUD_SECRET_ID</span> <span class="hljs-comment">// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************</span> <span class="hljs-keyword">const</span> <span class="hljs-variable constant_">SECRET_KEY</span> = process.<span class="hljs-property">env</span>.<span class="hljs-property">TENCENTCLOUD_SECRET_KEY</span> <span class="hljs-keyword">const</span> endpoint = <span class="hljs-string">"cvm.tencentcloudapi.com"</span> <span class="hljs-keyword">const</span> <span class="hljs-title class_">Region</span> = <span class="hljs-string">"ap-guangzhou"</span> <span class="hljs-keyword">const</span> <span class="hljs-title class_">Version</span> = <span class="hljs-string">"2017-03-12"</span> <span class="hljs-keyword">const</span> <span class="hljs-title class_">Action</span> = <span class="hljs-string">"DescribeInstances"</span> <span class="hljs-keyword">const</span> <span class="hljs-title class_">Timestamp</span> = <span class="hljs-number">1465185768</span> <span class="hljs-comment">// 时间戳 2016-06-06 12:02:48, 此参数作为示例，以实际为准</span> <span class="hljs-comment">// const Timestamp = Math.round(Date.now() / 1000)</span> <span class="hljs-keyword">const</span> <span class="hljs-title class_">Nonce</span> = <span class="hljs-number">11886</span> <span class="hljs-comment">// 随机正整数</span> <span class="hljs-comment">//const nonce = Math.round(Math.random() * 65535)</span> <span class="hljs-keyword">let</span> params = {}; params[<span class="hljs-string">'Action'</span>] = <span class="hljs-title class_">Action</span>; params[<span class="hljs-string">'InstanceIds.0'</span>] = <span class="hljs-string">'ins-09dx96dg'</span>; params[<span class="hljs-string">'Limit'</span>] = <span class="hljs-number">20</span>; params[<span class="hljs-string">'Offset'</span>] = <span class="hljs-number">0</span>; params[<span class="hljs-string">'Nonce'</span>] = <span class="hljs-title class_">Nonce</span>; params[<span class="hljs-string">'Region'</span>] = <span class="hljs-title class_">Region</span>; params[<span class="hljs-string">'SecretId'</span>] = <span class="hljs-variable constant_">SECRET_ID</span>; params[<span class="hljs-string">'Timestamp'</span>] = <span class="hljs-title class_">Timestamp</span>; params[<span class="hljs-string">'Version'</span>] = <span class="hljs-title class_">Version</span>; <span class="hljs-comment">// 1. 对参数排序,并拼接请求字符串</span> strParam = <span class="hljs-title function_">sort_params</span>(params) <span class="hljs-comment">// 2. 拼接签名原文字符串</span> <span class="hljs-keyword">const</span> reqMethod = <span class="hljs-string">"GET"</span>; <span class="hljs-keyword">const</span> path = <span class="hljs-string">"/"</span>; strSign = <span class="hljs-title function_">formatSignString</span>(reqMethod, endpoint, path, strParam) <span class="hljs-comment">// console.log(strSign)</span> <span class="hljs-comment">// 3. 生成签名串</span> params[<span class="hljs-string">'Signature'</span>] = <span class="hljs-title function_">sha1</span>(<span class="hljs-variable constant_">SECRET_KEY</span>, strSign) <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(params[<span class="hljs-string">'Signature'</span>]) <span class="hljs-comment">// 4. 进行url编码并拼接请求url</span> <span class="hljs-comment">// const req_url = get_req_url(params, endpoint)</span> <span class="hljs-comment">// console.log(params['Signature'])</span> <span class="hljs-comment">// console.log(req_url)</span> } <span class="hljs-title function_">main</span>()</code></pre> 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v3。\u003c/p\u003e\\n\u003cp\u003e首次接触，建议使用 \u003ca href=\\\"https://console.cloud.tencent.com/api/explorer\\\"\u003eAPI Explorer\u003c/a\u003e 中的“签名串生成”功能，选择签名版本为“API 3.0 签名 v1”，可以生成签名过程进行验证，并提供了部分编程语言的签名示例，也可直接生成 SDK 代码。推荐使用腾讯云 API 配套的 8 种常见的编程语言 SDK，已经封装了签名和请求过程，均已开源，支持 \u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-python\\\"\u003ePython\u003c/a\u003e、\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-java\\\"\u003eJava\u003c/a\u003e、\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-php\\\"\u003ePHP\u003c/a\u003e、\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-go\\\"\u003eGo\u003c/a\u003e、\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-nodejs\\\"\u003eNodeJS\u003c/a\u003e、\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-dotnet\\\"\u003e.NET\u003c/a\u003e、\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-cpp\\\"\u003eC++\u003c/a\u003e、\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-ruby\\\"\u003eRuby\u003c/a\u003e。\u003c/p\u003e\\n\u003cdiv class=\\\"rno-api-explorer\\\"\u003e\\n \u003cdiv class=\\\"rno-api-explorer-inner\\\"\u003e\\n \u003cdiv class=\\\"rno-api-explorer-hd\\\"\u003e\\n \u003cdiv class=\\\"rno-api-explorer-title\\\"\u003e\\n 推荐使用 API Explorer\\n \u003c/div\u003e\\n \u003ca href=\\\"https://console.cloud.tencent.com/api/explorer?SignVersion=api3v1\\\" class=\\\"rno-api-explorer-btn\\\" hotrep=\\\"doc.api.explorerbtn\\\"\u003e\u003ci class=\\\"rno-icon-explorer\\\"\u003e\u003c/i\u003e点击调试\u003c/a\u003e\\n \u003c/div\u003e\\n \u003cdiv class=\\\"rno-api-explorer-body\\\"\u003e\\n \u003cdiv class=\\\"rno-api-explorer-cont\\\"\u003e\\n 您可以通过 API Explorer 的【签名串生成】模块查看每个接口签名的生成过程。\\n \u003c/div\u003e\\n \u003c/div\u003e\\n \u003c/div\u003e\\n\u003c/div\u003e\\n\\n\u003cp\u003e腾讯云 API 会对每个访问请求进行身份验证，即每个请求都需要在公共请求参数中包含签名信息（Signature）以验证请求者身份。\u003cbr\u003e签名信息由安全凭证生成，安全凭证包括 SecretId 和 SecretKey；若用户还没有安全凭证，请前往 \u003ca href=\\\"https://console.cloud.tencent.com/capi\\\"\u003e云API密钥页面\u003c/a\u003e 申请，否则无法调用云 API 接口。\u003c/p\u003e\\n\u003ch2 id=\\\"1.-.E7.94.B3.E8.AF.B7.E5.AE.89.E5.85.A8.E5.87.AD.E8.AF.81\\\"\u003e1. 申请安全凭证\u003c/h2\u003e\u003cp\u003e在第一次使用云 API 之前，请前往 \u003ca href=\\\"https://console.cloud.tencent.com/capi\\\"\u003e云 API 密钥页面\u003c/a\u003e 申请安全凭证。\u003cbr\u003e安全凭证包括 SecretId 和 SecretKey：\u003c/p\u003e\\n\u003cul\u003e\\n\u003cli\u003eSecretId 用于标识 API 调用者身份\u003c/li\u003e\\n\u003cli\u003eSecretKey 用于加密签名字符串和服务器端验证签名字符串的密钥。\u003c/li\u003e\\n\u003cli\u003e\u003cstrong\u003e用户必须严格保管安全凭证，避免泄露。\u003c/strong\u003e\u003c/li\u003e\\n\u003c/ul\u003e\\n\u003cp\u003e申请安全凭证的具体步骤如下：\u003c/p\u003e\\n\u003col\u003e\\n\u003cli\u003e登录 \u003ca href=\\\"https://console.cloud.tencent.com/\\\"\u003e腾讯云管理中心控制台\u003c/a\u003e 。\u003c/li\u003e\\n\u003cli\u003e前往 \u003ca href=\\\"https://console.cloud.tencent.com/capi\\\"\u003e云 API 密钥\u003c/a\u003e 的控制台页面\u003c/li\u003e\\n\u003cli\u003e在 \u003ca href=\\\"https://console.cloud.tencent.com/capi\\\"\u003e云 API 密钥\u003c/a\u003e 页面，单击【新建密钥】即可以创建一对 SecretId/SecretKey。\u003c/li\u003e\\n\u003c/ol\u003e\\n\u003cp\u003e注意：每个账号最多可以拥有两对 SecretId/SecretKey。\u003c/p\u003e\\n\u003ch2 id=\\\"2.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2\\\"\u003e2. 生成签名串\u003c/h2\u003e\u003cp\u003e有了安全凭证 SecretId 和 SecretKey 后，就可以生成签名串了。以下是使用签名方法 v1 生成签名串的详细过程：\u003c/p\u003e\\n\u003cp\u003e假设用户的 SecretId 和 SecretKey 分别是：\u003c/p\u003e\\n\u003cul\u003e\\n\u003cli\u003eSecretId: \u003ccode\u003eAKID********************************\u003c/code\u003e\u003c/li\u003e\\n\u003cli\u003eSecretKey: \u003ccode\u003e********************************\u003c/code\u003e\u003c/li\u003e\\n\u003c/ul\u003e\\n\u003cp\u003e\u003cstrong\u003e注意：这里只是示例，请根据用户实际申请的 SecretId 和 SecretKey 进行后续操作！\u003c/strong\u003e\u003c/p\u003e\\n\u003cp\u003e以云服务器查看实例列表（DescribeInstances）请求为例，当用户调用这一接口时，其请求参数可能如下:\u003c/p\u003e\\n\u003ctable\u003e\\n\u003cthead\u003e\\n\u003ctr\u003e\\n\u003cth\u003e参数名称\u003c/th\u003e\\n\u003cth\u003e中文\u003c/th\u003e\\n\u003cth\u003e参数值\u003c/th\u003e\\n\u003c/tr\u003e\\n\u003c/thead\u003e\\n\u003ctbody\u003e\u003ctr\u003e\\n\u003ctd\u003eAction\u003c/td\u003e\\n\u003ctd\u003e方法名\u003c/td\u003e\\n\u003ctd\u003eDescribeInstances\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eSecretId\u003c/td\u003e\\n\u003ctd\u003e密钥 ID\u003c/td\u003e\\n\u003ctd\u003e\u003ccode\u003eAKID********************************\u003c/code\u003e\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eTimestamp\u003c/td\u003e\\n\u003ctd\u003e当前时间戳\u003c/td\u003e\\n\u003ctd\u003e1465185768\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eNonce\u003c/td\u003e\\n\u003ctd\u003e随机正整数\u003c/td\u003e\\n\u003ctd\u003e11886\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eRegion\u003c/td\u003e\\n\u003ctd\u003e实例所在区域\u003c/td\u003e\\n\u003ctd\u003eap-guangzhou\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eInstanceIds.0\u003c/td\u003e\\n\u003ctd\u003e待查询的实例 ID\u003c/td\u003e\\n\u003ctd\u003eins-09dx96dg\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eOffset\u003c/td\u003e\\n\u003ctd\u003e偏移量\u003c/td\u003e\\n\u003ctd\u003e0\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eLimit\u003c/td\u003e\\n\u003ctd\u003e最大允许输出\u003c/td\u003e\\n\u003ctd\u003e20\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eVersion\u003c/td\u003e\\n\u003ctd\u003e接口版本号\u003c/td\u003e\\n\u003ctd\u003e2017-03-12\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003c/tbody\u003e\u003c/table\u003e\\n\u003cp\u003e这里只展示了部分公共参数和接口输入参数，用户可以根据实际需要添加其他参数，例如 Language 和 Token 公共参数。\u003c/p\u003e\\n\u003ch3 id=\\\"2.1.-.E5.AF.B9.E5.8F.82.E6.95.B0.E6.8E.92.E5.BA.8F\\\"\u003e2.1. 对参数排序\u003c/h3\u003e\u003cp\u003e首先对所有请求参数按参数名的字典序（ ASCII 码）升序排序。注意：1）只按参数名进行排序，参数值保持对应即可，不参与比大小；2）按 ASCII 码比大小，如 InstanceIds.2 要排在 InstanceIds.12 后面，不是按字母表，也不是按数值。用户可以借助编程语言中的相关排序函数来实现这一功能，如 PHP 中的 ksort 函数。上述示例参数的排序结果如下:\u003c/p\u003e\\n\u003cp\u003e\u003cpre\u003e\u003ccode\u003e{\\n \u0026#39;Action\u0026#39; : \u0026#39;DescribeInstances\u0026#39;,\\n \u0026#39;InstanceIds.0\u0026#39; : \u0026#39;ins-09dx96dg\u0026#39;,\\n \u0026#39;Limit\u0026#39; : 20,\\n \u0026#39;Nonce\u0026#39; : 11886,\\n \u0026#39;Offset\u0026#39; : 0,\\n \u0026#39;Region\u0026#39; : \u0026#39;ap-guangzhou\u0026#39;,\\n \u0026#39;SecretId\u0026#39; : \u0026#39;AKID********************************\u0026#39;,\\n \u0026#39;Timestamp\u0026#39; : 1465185768,\\n \u0026#39;Version\u0026#39;: \u0026#39;2017-03-12\u0026#39;,\\n}\u003c/code\u003e\u003c/pre\u003e使用其它程序设计语言开发时，可对上面示例中的参数进行排序，得到的结果一致即可。\u003c/p\u003e\\n\u003ch3 id=\\\"2.2.-.E6.8B.BC.E6.8E.A5.E8.AF.B7.E6.B1.82.E5.AD.97.E7.AC.A6.E4.B8.B2\\\"\u003e2.2. 拼接请求字符串\u003c/h3\u003e\u003cp\u003e此步骤生成请求字符串。\u003cbr\u003e将把上一步排序好的请求参数格式化成“参数名称=参数值”的形式，如对 Action 参数，其参数名称为 \u0026quot;Action\u0026quot; ，参数值为 \u0026quot;DescribeInstances\u0026quot; ，因此格式化后就为 Action=DescribeInstances 。\u003cbr\u003e\u003cstrong\u003e注意：“参数值”为原始值而非 url 编码后的值。\u003c/strong\u003e\u003c/p\u003e\\n\u003cp\u003e然后将格式化后的各个参数用\u0026quot;\u0026amp;\u0026quot;拼接在一起，最终生成的请求字符串为:\u003c/p\u003e\\n\u003cp\u003e\u003cpre\u003e\u003ccode\u003eAction=DescribeInstances\u0026amp;InstanceIds.0=ins-09dx96dg\u0026amp;Limit=20\u0026amp;Nonce=11886\u0026amp;Offset=0\u0026amp;Region=ap-guangzhou\u0026amp;SecretId=AKID********************************\u0026amp;Timestamp=1465185768\u0026amp;Version=2017-03-12\u003c/code\u003e\u003c/pre\u003e\u003c/p\u003e\\n\u003ch3 id=\\\"2.3.-.E6.8B.BC.E6.8E.A5.E7.AD.BE.E5.90.8D.E5.8E.9F.E6.96.87.E5.AD.97.E7.AC.A6.E4.B8.B2\\\"\u003e2.3. 拼接签名原文字符串\u003c/h3\u003e\u003cp\u003e此步骤生成签名原文字符串。\u003cbr\u003e签名原文字符串由以下几个参数构成:\u003c/p\u003e\\n\u003col\u003e\\n\u003cli\u003e请求方法: 支持 POST 和 GET 方式，这里使用 GET 请求，注意方法为全大写。\u003c/li\u003e\\n\u003cli\u003e请求主机:查看实例列表(DescribeInstances)的请求域名为：cvm.tencentcloudapi.com。实际的请求域名根据接口所属模块的不同而不同，详见各接口说明。\u003c/li\u003e\\n\u003cli\u003e请求路径: 当前版本云API的请求路径固定为 / 。\u003c/li\u003e\\n\u003cli\u003e请求字符串: 即上一步生成的请求字符串。\u003c/li\u003e\\n\u003c/ol\u003e\\n\u003cp\u003e签名原文串的拼接规则为：\u003ccode\u003e请求方法 + 请求主机 +请求路径 + ? + 请求字符串\u003c/code\u003e。\u003c/p\u003e\\n\u003cp\u003e示例的拼接结果为：\u003c/p\u003e\\n\u003cp\u003e\u003cpre\u003e\u003ccode\u003eGETcvm.tencentcloudapi.com/?Action=DescribeInstances\u0026amp;InstanceIds.0=ins-09dx96dg\u0026amp;Limit=20\u0026amp;Nonce=11886\u0026amp;Offset=0\u0026amp;Region=ap-guangzhou\u0026amp;SecretId=AKID********************************\u0026amp;Timestamp=1465185768\u0026amp;Version=2017-03-12\u003c/code\u003e\u003c/pre\u003e\u003c/p\u003e\\n\u003ch3 id=\\\"2.4.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2\\\"\u003e2.4. 生成签名串\u003c/h3\u003e\u003cp\u003e此步骤生成签名串。\u003cbr\u003e首先使用 HMAC-SHA1 算法对上一步中获得的\u003cstrong\u003e签名原文字符串\u003c/strong\u003e进行签名，然后将生成的签名串使用 Base64 进行编码，即可获得最终的签名串。\u003c/p\u003e\\n\u003cp\u003e具体代码如下，以 PHP 语言为例：\u003c/p\u003e\\n\u003cp\u003e\u003cpre\u003e\u003ccode\u003e$secretKey = \u0026#39;********************************\u0026#39;;\\n$srcStr = \u0026#39;GETcvm.tencentcloudapi.com/?Action=DescribeInstances\u0026amp;InstanceIds.0=ins-09dx96dg\u0026amp;Limit=20\u0026amp;Nonce=11886\u0026amp;Offset=0\u0026amp;Region=ap-guangzhou\u0026amp;SecretId=AKID********************************\u0026amp;Timestamp=1465185768\u0026amp;Version=2017-03-12\u0026#39;;\\n$signStr = base64_encode(hash_hmac(\u0026#39;sha1\u0026#39;, $srcStr, $secretKey, true));\\necho $signStr;\u003c/code\u003e\u003c/pre\u003e\u003c/p\u003e\\n\u003cp\u003e最终得到的签名串为：\u003c/p\u003e\\n\u003cp\u003e\u003cpre\u003e\u003ccode\u003e7RAM2xfNMO9EiVTNmPg06MRnCvQ=\u003c/code\u003e\u003c/pre\u003e\u003c/p\u003e\\n\u003cp\u003e使用其它程序设计语言开发时，可用上面示例中的原文进行签名验证，得到的签名串与例子中的一致即可。\u003c/p\u003e\\n\u003ch2 id=\\\"3.-.E7.AD.BE.E5.90.8D.E4.B8.B2.E7.BC.96.E7.A0.81\\\"\u003e3. 签名串编码\u003c/h2\u003e\u003cp\u003e生成的签名串并不能直接作为请求参数，需要对其进行 URL 编码。\u003c/p\u003e\\n\u003cp\u003e如上一步生成的签名串为 7RAM2xfNMO9EiVTNmPg06MRnCvQ= ，最终得到的签名串请求参数（Signature）为：7RAM2xfNMO9EiVTNmPg06MRnCvQ%3D，它将用于生成最终的请求 URL。\u003c/p\u003e\\n\u003cp\u003e\u003cstrong\u003e注意：如果用户的请求方法是 GET，或者请求方法为 POST 同时 Content-Type 为 application/x-www-form-urlencoded，则发送请求时所有请求参数的值均需要做 URL 编码，参数键和=符号不需要编码。非 ASCII 字符在 URL 编码前需要先以 UTF-8 进行编码。\u003c/strong\u003e\u003c/p\u003e\\n\u003cp\u003e\u003cstrong\u003e注意：有些编程语言的网络库会自动为所有参数进行 urlencode，在这种情况下，就不需要对签名串进行 URL 编码了，否则两次 URL 编码会导致签名失败。\u003c/strong\u003e\u003c/p\u003e\\n\u003cp\u003e\u003cstrong\u003e注意：其他参数值也需要进行编码，编码采用 \u003ca href=\\\"http://tools.ietf.org/html/rfc3986\\\"\u003eRFC 3986\u003c/a\u003e。使用 %XY 对特殊字符例如汉字进行百分比编码，其中“X”和“Y”为十六进制字符（0-9 和大写字母 A-F），使用小写将引发错误。\u003c/strong\u003e\u003c/p\u003e\\n\u003ch2 id=\\\"4.-.E7.AD.BE.E5.90.8D.E5.A4.B1.E8.B4.A5\\\"\u003e4. 签名失败\u003c/h2\u003e\u003cp\u003e根据实际情况，存在以下签名失败的错误码，请根据实际情况处理。\u003c/p\u003e\\n\u003ctable\u003e\\n\u003cthead\u003e\\n\u003ctr\u003e\\n\u003cth\u003e错误代码\u003c/th\u003e\\n\u003cth\u003e错误描述\u003c/th\u003e\\n\u003c/tr\u003e\\n\u003c/thead\u003e\\n\u003ctbody\u003e\u003ctr\u003e\\n\u003ctd\u003eAuthFailure.SignatureExpire\u003c/td\u003e\\n\u003ctd\u003e签名过期\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eAuthFailure.SecretIdNotFound\u003c/td\u003e\\n\u003ctd\u003e密钥不存在\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eAuthFailure.SignatureFailure\u003c/td\u003e\\n\u003ctd\u003e签名错误\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eAuthFailure.TokenFailure\u003c/td\u003e\\n\u003ctd\u003etoken 错误\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003ctr\u003e\\n\u003ctd\u003eAuthFailure.InvalidSecretId\u003c/td\u003e\\n\u003ctd\u003e密钥非法（不是云 API 密钥类型）\u003c/td\u003e\\n\u003c/tr\u003e\\n\u003c/tbody\u003e\u003c/table\u003e\\n\u003ch2 id=\\\"5.-.E7.AD.BE.E5.90.8D.E6.BC.94.E7.A4.BA\\\"\u003e5. 签名演示\u003c/h2\u003e\u003cp\u003e在实际调用 API 3.0 时，推荐使用配套的腾讯云 SDK 3.0 ，SDK 封装了签名的过程，开发时只关注产品提供的具体接口即可。详细信息参见 \u003ca href=\\\"https://cloud.tencent.com/document/sdk\\\"\u003eSDK 中心\u003c/a\u003e。当前支持的编程语言有：\u003c/p\u003e\\n\u003cul\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-python\\\"\u003ePython\u003c/a\u003e\u003c/li\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-java\\\"\u003eJava\u003c/a\u003e\u003c/li\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-php\\\"\u003ePHP\u003c/a\u003e\u003c/li\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-go\\\"\u003eGo\u003c/a\u003e\u003c/li\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-nodejs\\\"\u003eNodeJS\u003c/a\u003e\u003c/li\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-dotnet\\\"\u003e.NET\u003c/a\u003e\u003c/li\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-cpp\\\"\u003eC++\u003c/a\u003e\u003c/li\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/tencentcloud-sdk-ruby\\\"\u003eRuby\u003c/a\u003e\u003c/li\u003e\\n\u003c/ul\u003e\\n\u003cp\u003e下面提供了不同产品的生成签名 demo，您可以找到对应的产品参考签名的生成：\u003c/p\u003e\\n\u003cul\u003e\\n\u003cli\u003e\u003ca href=\\\"https://github.com/TencentCloud/signature-process-demo\\\"\u003eSignature Demo\u003c/a\u003e\u003c/li\u003e\\n\u003c/ul\u003e\\n\u003cp\u003e为了更清楚的解释签名过程，下面以实际编程语言为例，将上述的签名过程具体实现。请求的域名、调用的接口和参数的取值都以上述签名过程为准，代码只为解释签名过程，并不具备通用性，实际开发请尽量使用 SDK 。\u003c/p\u003e\\n\u003cp\u003e最终输出的 url 可能为：\u003ccode\u003ehttps://cvm.tencentcloudapi.com/?Action=DescribeInstances\u0026amp;InstanceIds.0=ins-09dx96dg\u0026amp;Limit=20\u0026amp;Nonce=11886\u0026amp;Offset=0\u0026amp;Region=ap-guangzhou\u0026amp;SecretId=AKID********************************\u0026amp;Signature=7RAM2xfNMO9EiVTNmPg06MRnCvQ%3D\u0026amp;Timestamp=1465185768\u0026amp;Version=2017-03-12\u003c/code\u003e。\u003c/p\u003e\\n\u003cp\u003e注意：由于示例中的密钥是虚构的，时间戳也不是系统当前时间，因此如果将此 url 在浏览器中打开或者用 curl 等命令调用时会返回鉴权错误：签名过期。为了得到一个可以正常返回的 url ，需要修改示例中的 SecretId 和 SecretKey 为真实的密钥，并使用系统当前时间戳作为 Timestamp 。\u003c/p\u003e\\n\u003cp\u003e注意：在下面的示例中，不同编程语言，甚至同一语言每次执行得到的 url 可能都有所不同，表现为参数的顺序不同，但这并不影响正确性。只要所有参数都在，且签名计算正确即可。\u003c/p\u003e\\n\u003cp\u003e注意：以下代码仅适用于 API 3.0，不能直接用于其他的签名流程，请以对应的实际文档为准。\u003c/p\u003e\\n\u003ch3 id=\\\"Java\\\"\u003eJava\u003c/h3\u003e\u003cp\u003e\u003cpre\u003e\u003ccode class=\\\"language-java\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e java.io.UnsupportedEncodingException;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e java.net.URLEncoder;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e java.util.Random;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e java.util.TreeMap;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e javax.crypto.Mac;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e javax.crypto.spec.SecretKeySpec;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e javax.xml.bind.DatatypeConverter;\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003eclass\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eTencentCloudAPIDemo\u003c/span\u003e {\\n \u003cspan class=\\\"hljs-keyword\\\"\u003eprivate\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003efinal\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e \u003cspan class=\\\"hljs-type\\\"\u003eString\u003c/span\u003e \u003cspan class=\\\"hljs-variable\\\"\u003eCHARSET\u003c/span\u003e \u003cspan class=\\\"hljs-operator\\\"\u003e=\u003c/span\u003e \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;UTF-8\u0026quot;\u003c/span\u003e;\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e String \u003cspan class=\\\"hljs-title function_\\\"\u003esign\u003c/span\u003e\u003cspan class=\\\"hljs-params\\\"\u003e(String s, String key, String method)\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003ethrows\u003c/span\u003e Exception {\\n \u003cspan class=\\\"hljs-type\\\"\u003eMac\u003c/span\u003e \u003cspan class=\\\"hljs-variable\\\"\u003emac\u003c/span\u003e \u003cspan class=\\\"hljs-operator\\\"\u003e=\u003c/span\u003e Mac.getInstance(method);\\n \u003cspan class=\\\"hljs-type\\\"\u003eSecretKeySpec\u003c/span\u003e \u003cspan class=\\\"hljs-variable\\\"\u003esecretKeySpec\u003c/span\u003e \u003cspan class=\\\"hljs-operator\\\"\u003e=\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003enew\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eSecretKeySpec\u003c/span\u003e(key.getBytes(CHARSET), mac.getAlgorithm());\\n mac.init(secretKeySpec);\\n \u003cspan class=\\\"hljs-type\\\"\u003ebyte\u003c/span\u003e[] hash = mac.doFinal(s.getBytes(CHARSET));\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e DatatypeConverter.printBase64Binary(hash);\\n }\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e String \u003cspan class=\\\"hljs-title function_\\\"\u003egetStringToSign\u003c/span\u003e\u003cspan class=\\\"hljs-params\\\"\u003e(TreeMap\u0026lt;String, Object\u0026gt; params)\u003c/span\u003e {\\n \u003cspan class=\\\"hljs-type\\\"\u003eStringBuilder\u003c/span\u003e \u003cspan class=\\\"hljs-variable\\\"\u003es2s\u003c/span\u003e \u003cspan class=\\\"hljs-operator\\\"\u003e=\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003enew\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eStringBuilder\u003c/span\u003e(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;GETcvm.tencentcloudapi.com/?\u0026quot;\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 签名时要求对参数进行字典排序，此处用TreeMap保证顺序\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003efor\u003c/span\u003e (String k : params.keySet()) {\\n s2s.append(k).append(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;=\u0026quot;\u003c/span\u003e).append(params.get(k).toString()).append(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026amp;\u0026quot;\u003c/span\u003e);\\n }\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e s2s.toString().substring(\u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e, s2s.length() - \u003cspan class=\\\"hljs-number\\\"\u003e1\u003c/span\u003e);\\n }\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e String \u003cspan class=\\\"hljs-title function_\\\"\u003egetUrl\u003c/span\u003e\u003cspan class=\\\"hljs-params\\\"\u003e(TreeMap\u0026lt;String, Object\u0026gt; params)\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003ethrows\u003c/span\u003e UnsupportedEncodingException {\\n \u003cspan class=\\\"hljs-type\\\"\u003eStringBuilder\u003c/span\u003e \u003cspan class=\\\"hljs-variable\\\"\u003eurl\u003c/span\u003e \u003cspan class=\\\"hljs-operator\\\"\u003e=\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003enew\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eStringBuilder\u003c/span\u003e(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;https://cvm.tencentcloudapi.com/?\u0026quot;\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 实际请求的url中对参数顺序没有要求\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003efor\u003c/span\u003e (String k : params.keySet()) {\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要对请求串进行urlencode，由于key都是英文字母，故此处仅对其value进行urlencode\u003c/span\u003e\\n url.append(k).append(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;=\u0026quot;\u003c/span\u003e).append(URLEncoder.encode(params.get(k).toString(), CHARSET)).append(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026amp;\u0026quot;\u003c/span\u003e);\\n }\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e url.toString().substring(\u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e, url.length() - \u003cspan class=\\\"hljs-number\\\"\u003e1\u003c/span\u003e);\\n }\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003evoid\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003emain\u003c/span\u003e\u003cspan class=\\\"hljs-params\\\"\u003e(String[] args)\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003ethrows\u003c/span\u003e Exception {\\n TreeMap\u0026lt;String, Object\u0026gt; params = \u003cspan class=\\\"hljs-keyword\\\"\u003enew\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eTreeMap\u003c/span\u003e\u0026lt;String, Object\u0026gt;(); \u003cspan class=\\\"hljs-comment\\\"\u003e// TreeMap可以自动排序\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 实际调用时应当使用随机数，例如：params.put(\u0026quot;Nonce\u0026quot;, new Random().nextInt(java.lang.Integer.MAX_VALUE));\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Nonce\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-number\\\"\u003e11886\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 公共参数\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 实际调用时应当使用系统当前时间，例如： params.put(\u0026quot;Timestamp\u0026quot;, System.currentTimeMillis() / 1000);\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Timestamp\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-number\\\"\u003e1465185768\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 公共参数\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;SecretId\u0026quot;\u003c/span\u003e, System.getenv(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_ID\u0026quot;\u003c/span\u003e)); \u003cspan class=\\\"hljs-comment\\\"\u003e// 公共参数\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Action\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;DescribeInstances\u0026quot;\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 公共参数\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Version\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;2017-03-12\u0026quot;\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 公共参数\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Region\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ap-guangzhou\u0026quot;\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 公共参数\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Limit\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-number\\\"\u003e20\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 业务参数\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Offset\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 业务参数\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;InstanceIds.0\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ins-09dx96dg\u0026quot;\u003c/span\u003e); \u003cspan class=\\\"hljs-comment\\\"\u003e// 业务参数\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************\u003c/span\u003e\\n params.put(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Signature\u0026quot;\u003c/span\u003e, sign(getStringToSign(params), System.getenv(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_KEY\u0026quot;\u003c/span\u003e), \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;HmacSHA1\u0026quot;\u003c/span\u003e)); \u003cspan class=\\\"hljs-comment\\\"\u003e// 公共参数\u003c/span\u003e\\n System.out.println(getUrl(params));\\n }\\n}\u003c/code\u003e\u003c/pre\u003e\\n\u003c/p\u003e\\n\u003ch3 id=\\\"Python\\\"\u003ePython\u003c/h3\u003e\u003cp\u003e注意：如果是在 Python 2 环境中运行，需要先安装 requests 依赖包： \u003ccode\u003epip install requests\u003c/code\u003e 。\u003c/p\u003e\\n\u003cp\u003e\u003cpre\u003e\u003ccode class=\\\"language-python\\\"\u003e\u003cspan class=\\\"hljs-comment\\\"\u003e# -*- coding: utf8 -*-\u003c/span\u003e\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e base64\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e hashlib\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e hmac\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e os\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e time\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e requests\\n\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************\u003c/span\u003e\\nsecret_id = os.environ.get(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_ID\u0026quot;\u003c/span\u003e)\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************\u003c/span\u003e\\nsecret_key = os.environ.get(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_KEY\u0026quot;\u003c/span\u003e)\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003edef\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003eget_string_to_sign\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003emethod, endpoint, params\u003c/span\u003e):\\n s = method + endpoint + \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;/?\u0026quot;\u003c/span\u003e\\n query_str = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026amp;\u0026quot;\u003c/span\u003e.join(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;%s=%s\u0026quot;\u003c/span\u003e % (k, params[k]) \u003cspan class=\\\"hljs-keyword\\\"\u003efor\u003c/span\u003e k \u003cspan class=\\\"hljs-keyword\\\"\u003ein\u003c/span\u003e \u003cspan class=\\\"hljs-built_in\\\"\u003esorted\u003c/span\u003e(params))\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e s + query_str\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003edef\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003esign_str\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003ekey, s, method\u003c/span\u003e):\\n hmac_str = hmac.new(key.encode(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;utf8\u0026quot;\u003c/span\u003e), s.encode(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;utf8\u0026quot;\u003c/span\u003e), method).digest()\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e base64.b64encode(hmac_str)\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eif\u003c/span\u003e __name__ == \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;__main__\u0026#x27;\u003c/span\u003e:\\n endpoint = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;cvm.tencentcloudapi.com\u0026quot;\u003c/span\u003e\\n data = {\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Action\u0026#x27;\u003c/span\u003e : \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;DescribeInstances\u0026#x27;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;InstanceIds.0\u0026#x27;\u003c/span\u003e : \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;ins-09dx96dg\u0026#x27;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Limit\u0026#x27;\u003c/span\u003e : \u003cspan class=\\\"hljs-number\\\"\u003e20\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Nonce\u0026#x27;\u003c/span\u003e : \u003cspan class=\\\"hljs-number\\\"\u003e11886\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Offset\u0026#x27;\u003c/span\u003e : \u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Region\u0026#x27;\u003c/span\u003e : \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;ap-guangzhou\u0026#x27;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;SecretId\u0026#x27;\u003c/span\u003e : secret_id,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Timestamp\u0026#x27;\u003c/span\u003e : \u003cspan class=\\\"hljs-number\\\"\u003e1465185768\u003c/span\u003e, \u003cspan class=\\\"hljs-comment\\\"\u003e# int(time.time())\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Version\u0026#x27;\u003c/span\u003e: \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;2017-03-12\u0026#x27;\u003c/span\u003e\\n }\\n s = get_string_to_sign(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;GET\u0026quot;\u003c/span\u003e, endpoint, data)\\n data[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Signature\u0026quot;\u003c/span\u003e] = sign_str(secret_key, s, hashlib.sha1)\\n \u003cspan class=\\\"hljs-built_in\\\"\u003eprint\u003c/span\u003e(data[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Signature\u0026quot;\u003c/span\u003e])\\n \u003cspan class=\\\"hljs-comment\\\"\u003e# 此处会实际调用，成功后可能产生计费\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e# resp = requests.get(\u0026quot;https://\u0026quot; + endpoint, params=data)\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e# print(resp.url)\u003c/span\u003e\u003c/code\u003e\u003c/pre\u003e\\n\u003c/p\u003e\\n\u003ch3 id=\\\"Golang\\\"\u003eGolang\u003c/h3\u003e\u003cp\u003e\u003cpre\u003e\u003ccode class=\\\"language-go\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003epackage\u003c/span\u003e main\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eimport\u003c/span\u003e (\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;bytes\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;crypto/hmac\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;crypto/sha1\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;encoding/base64\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;fmt\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;os\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;sort\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;strconv\u0026quot;\u003c/span\u003e\\n)\\n\\n\u003cspan class=\\\"hljs-function\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003efunc\u003c/span\u003e \u003cspan class=\\\"hljs-title\\\"\u003emain\u003c/span\u003e\u003cspan class=\\\"hljs-params\\\"\u003e()\u003c/span\u003e\u003c/span\u003e {\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************\u003c/span\u003e\\n secretId := os.Getenv(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_ID\u0026quot;\u003c/span\u003e)\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************\u003c/span\u003e\\n secretKey := os.Getenv(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_KEY\u0026quot;\u003c/span\u003e)\\n params := \u003cspan class=\\\"hljs-keyword\\\"\u003emap\u003c/span\u003e[\u003cspan class=\\\"hljs-keyword\\\"\u003estring\u003c/span\u003e]\u003cspan class=\\\"hljs-keyword\\\"\u003estring\u003c/span\u003e{\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Nonce\u0026quot;\u003c/span\u003e: \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;11886\u0026quot;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Timestamp\u0026quot;\u003c/span\u003e: strconv.Itoa(\u003cspan class=\\\"hljs-number\\\"\u003e1465185768\u003c/span\u003e),\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Region\u0026quot;\u003c/span\u003e: \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ap-guangzhou\u0026quot;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;SecretId\u0026quot;\u003c/span\u003e: secretId,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Version\u0026quot;\u003c/span\u003e: \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;2017-03-12\u0026quot;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Action\u0026quot;\u003c/span\u003e: \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;DescribeInstances\u0026quot;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;InstanceIds.0\u0026quot;\u003c/span\u003e: \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ins-09dx96dg\u0026quot;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Limit\u0026quot;\u003c/span\u003e: strconv.Itoa(\u003cspan class=\\\"hljs-number\\\"\u003e20\u003c/span\u003e),\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Offset\u0026quot;\u003c/span\u003e: strconv.Itoa(\u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e),\\n }\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003evar\u003c/span\u003e buf bytes.Buffer\\n buf.WriteString(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;GET\u0026quot;\u003c/span\u003e)\\n buf.WriteString(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;cvm.tencentcloudapi.com\u0026quot;\u003c/span\u003e)\\n buf.WriteString(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;/\u0026quot;\u003c/span\u003e)\\n buf.WriteString(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;?\u0026quot;\u003c/span\u003e)\\n\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// sort keys by ascii asc order\u003c/span\u003e\\n keys := \u003cspan class=\\\"hljs-built_in\\\"\u003emake\u003c/span\u003e([]\u003cspan class=\\\"hljs-keyword\\\"\u003estring\u003c/span\u003e, \u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e, \u003cspan class=\\\"hljs-built_in\\\"\u003elen\u003c/span\u003e(params))\\n \u003cspan class=\\\"hljs-keyword\\\"\u003efor\u003c/span\u003e k, _ := \u003cspan class=\\\"hljs-keyword\\\"\u003erange\u003c/span\u003e params {\\n keys = \u003cspan class=\\\"hljs-built_in\\\"\u003eappend\u003c/span\u003e(keys, k)\\n }\\n sort.Strings(keys)\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003efor\u003c/span\u003e i := \u003cspan class=\\\"hljs-keyword\\\"\u003erange\u003c/span\u003e keys {\\n k := keys[i]\\n buf.WriteString(k)\\n buf.WriteString(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;=\u0026quot;\u003c/span\u003e)\\n buf.WriteString(params[k])\\n buf.WriteString(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026amp;\u0026quot;\u003c/span\u003e)\\n }\\n buf.Truncate(buf.Len() - \u003cspan class=\\\"hljs-number\\\"\u003e1\u003c/span\u003e)\\n\\n hashed := hmac.New(sha1.New, []\u003cspan class=\\\"hljs-keyword\\\"\u003ebyte\u003c/span\u003e(secretKey))\\n hashed.Write(buf.Bytes())\\n\\n fmt.Println(base64.StdEncoding.EncodeToString(hashed.Sum(\u003cspan class=\\\"hljs-literal\\\"\u003enil\u003c/span\u003e)))\\n}\u003c/code\u003e\u003c/pre\u003e\\n\u003c/p\u003e\\n\u003ch3 id=\\\"PHP\\\"\u003ePHP\u003c/h3\u003e\u003cp\u003e\u003cpre\u003e\u003ccode class=\\\"language-php\\\"\u003e\u003cspan class=\\\"hljs-meta\\\"\u003e\u0026lt;?php\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************\u003c/span\u003e\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$secretId\u003c/span\u003e = getenv(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_ID\u0026quot;\u003c/span\u003e);\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************\u003c/span\u003e\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$secretKey\u003c/span\u003e = getenv(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_KEY\u0026quot;\u003c/span\u003e);\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Nonce\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-number\\\"\u003e11886\u003c/span\u003e;\u003cspan class=\\\"hljs-comment\\\"\u003e//rand();\u003c/span\u003e\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Timestamp\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-number\\\"\u003e1465185768\u003c/span\u003e;\u003cspan class=\\\"hljs-comment\\\"\u003e//time();\u003c/span\u003e\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Region\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ap-guangzhou\u0026quot;\u003c/span\u003e;\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;SecretId\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-variable\\\"\u003e$secretId\u003c/span\u003e;\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Version\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;2017-03-12\u0026quot;\u003c/span\u003e;\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Action\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;DescribeInstances\u0026quot;\u003c/span\u003e;\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;InstanceIds.0\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ins-09dx96dg\u0026quot;\u003c/span\u003e;\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Limit\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-number\\\"\u003e20\u003c/span\u003e;\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Offset\u0026quot;\u003c/span\u003e] = \u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e;\\n\\nksort(\u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e);\\n\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$signStr\u003c/span\u003e = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;GETcvm.tencentcloudapi.com/?\u0026quot;\u003c/span\u003e;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eforeach\u003c/span\u003e ( \u003cspan class=\\\"hljs-variable\\\"\u003e$param\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003eas\u003c/span\u003e \u003cspan class=\\\"hljs-variable\\\"\u003e$key\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-variable\\\"\u003e$value\u003c/span\u003e ) {\\n \u003cspan class=\\\"hljs-variable\\\"\u003e$signStr\u003c/span\u003e = \u003cspan class=\\\"hljs-variable\\\"\u003e$signStr\u003c/span\u003e . \u003cspan class=\\\"hljs-variable\\\"\u003e$key\u003c/span\u003e . \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;=\u0026quot;\u003c/span\u003e . \u003cspan class=\\\"hljs-variable\\\"\u003e$value\u003c/span\u003e . \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026amp;\u0026quot;\u003c/span\u003e;\\n}\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$signStr\u003c/span\u003e = substr(\u003cspan class=\\\"hljs-variable\\\"\u003e$signStr\u003c/span\u003e, \u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e, -\u003cspan class=\\\"hljs-number\\\"\u003e1\u003c/span\u003e);\\n\\n\u003cspan class=\\\"hljs-variable\\\"\u003e$signature\u003c/span\u003e = base64_encode(hash_hmac(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;sha1\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-variable\\\"\u003e$signStr\u003c/span\u003e, \u003cspan class=\\\"hljs-variable\\\"\u003e$secretKey\u003c/span\u003e, \u003cspan class=\\\"hljs-literal\\\"\u003etrue\u003c/span\u003e));\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eecho\u003c/span\u003e \u003cspan class=\\\"hljs-variable\\\"\u003e$signature\u003c/span\u003e.PHP_EOL;\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// need to install and enable curl extension in php.ini\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// $param[\u0026quot;Signature\u0026quot;] = $signature;\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// $url = \u0026quot;https://cvm.tencentcloudapi.com/?\u0026quot;.http_build_query($param);\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// echo $url.PHP_EOL;\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// $ch = curl_init();\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// curl_setopt($ch, CURLOPT_URL, $url);\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// $output = curl_exec($ch);\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// curl_close($ch);\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e// echo json_decode($output);\u003c/span\u003e\u003c/code\u003e\u003c/pre\u003e\\n\u003c/p\u003e\\n\u003ch3 id=\\\"Ruby\\\"\u003eRuby\u003c/h3\u003e\u003cp\u003e\u003cpre\u003e\u003ccode class=\\\"language-ruby\\\"\u003e\u003cspan class=\\\"hljs-comment\\\"\u003e# -*- coding: UTF-8 -*-\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# require ruby\u0026gt;=2.3.0\u003c/span\u003e\\n\u003cspan class=\\\"hljs-keyword\\\"\u003erequire\u003c/span\u003e \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;time\u0026#x27;\u003c/span\u003e\\n\u003cspan class=\\\"hljs-keyword\\\"\u003erequire\u003c/span\u003e \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;openssl\u0026#x27;\u003c/span\u003e\\n\u003cspan class=\\\"hljs-keyword\\\"\u003erequire\u003c/span\u003e \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;base64\u0026#x27;\u003c/span\u003e\\n\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************\u003c/span\u003e\\nsecret_id = ENV[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_ID\u0026quot;\u003c/span\u003e]\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************\u003c/span\u003e\\nsecret_key = ENV[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_KEY\u0026quot;\u003c/span\u003e]\\n\\nmethod = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;GET\u0026#x27;\u003c/span\u003e\\nendpoint = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;cvm.tencentcloudapi.com\u0026#x27;\u003c/span\u003e\\ndata = {\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Action\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;DescribeInstances\u0026#x27;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;InstanceIds.0\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;ins-09dx96dg\u0026#x27;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Limit\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-number\\\"\u003e20\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Nonce\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-number\\\"\u003e11886\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Offset\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Region\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;ap-guangzhou\u0026#x27;\u003c/span\u003e,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;SecretId\u0026#x27;\u003c/span\u003e =\u0026gt; secret_id,\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Timestamp\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-number\\\"\u003e1465185768\u003c/span\u003e, \u003cspan class=\\\"hljs-comment\\\"\u003e# Time.now.to_i\u003c/span\u003e\\n \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Version\u0026#x27;\u003c/span\u003e =\u0026gt; \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;2017-03-12\u0026#x27;\u003c/span\u003e,\\n}\\nsign = method + endpoint + \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;/?\u0026#x27;\u003c/span\u003e\\nparams = []\\ndata.sort.each \u003cspan class=\\\"hljs-keyword\\\"\u003edo\u003c/span\u003e \u003cspan class=\\\"hljs-params\\\"\u003e|item|\u003c/span\u003e\\n params \u0026lt;\u0026lt; \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u003cspan class=\\\"hljs-subst\\\"\u003e#{item[\u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e]}\u003c/span\u003e=\u003cspan class=\\\"hljs-subst\\\"\u003e#{item[\u003cspan class=\\\"hljs-number\\\"\u003e1\u003c/span\u003e]}\u003c/span\u003e\u0026quot;\u003c/span\u003e\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eend\u003c/span\u003e\\nsign += params.join(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;\u0026amp;\u0026#x27;\u003c/span\u003e)\\ndigest = OpenSSL::Digest.new(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;sha1\u0026#x27;\u003c/span\u003e)\\ndata[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Signature\u0026#x27;\u003c/span\u003e] = Base64.encode64(OpenSSL::HMAC.digest(digest, secret_key, sign))\\nputs data[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Signature\u0026#x27;\u003c/span\u003e]\\n\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# require \u0026#x27;net/http\u0026#x27;\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# uri = URI(\u0026#x27;https://\u0026#x27; + endpoint)\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# uri.query = URI.encode_www_form(data)\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# p uri\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# res = Net::HTTP.get_response(uri)\u003c/span\u003e\\n\u003cspan class=\\\"hljs-comment\\\"\u003e# puts res.body\u003c/span\u003e\u003c/code\u003e\u003c/pre\u003e\\n\u003c/p\u003e\\n\u003ch3 id=\\\"DotNet\\\"\u003eDotNet\u003c/h3\u003e\u003cp\u003e\u003cpre\u003e\u003ccode class=\\\"language-csharp\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003eusing\u003c/span\u003e System;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eusing\u003c/span\u003e System.Collections.Generic;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eusing\u003c/span\u003e System.Net;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eusing\u003c/span\u003e System.Security.Cryptography;\\n\u003cspan class=\\\"hljs-keyword\\\"\u003eusing\u003c/span\u003e System.Text;\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003eclass\u003c/span\u003e \u003cspan class=\\\"hljs-title\\\"\u003eApplication\u003c/span\u003e {\\n \u003cspan class=\\\"hljs-function\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e \u003cspan class=\\\"hljs-title\\\"\u003eSign\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003e\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e signKey, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e secret\u003c/span\u003e)\u003c/span\u003e\\n {\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e signRet = \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e.Empty;\\n \u003cspan class=\\\"hljs-keyword\\\"\u003eusing\u003c/span\u003e (HMACSHA1 mac = \u003cspan class=\\\"hljs-keyword\\\"\u003enew\u003c/span\u003e HMACSHA1(Encoding.UTF8.GetBytes(signKey)))\\n {\\n \u003cspan class=\\\"hljs-built_in\\\"\u003ebyte\u003c/span\u003e[] hash = mac.ComputeHash(Encoding.UTF8.GetBytes(secret));\\n signRet = Convert.ToBase64String(hash);\\n }\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e signRet;\\n }\\n \u003cspan class=\\\"hljs-function\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e \u003cspan class=\\\"hljs-title\\\"\u003eMakeSignPlainText\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003eSortedDictionary\u0026lt;\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e\u0026gt; requestParams, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e requestMethod, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e requestHost, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e requestPath\u003c/span\u003e)\u003c/span\u003e\\n {\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e retStr = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026quot;\u003c/span\u003e;\\n retStr += requestMethod;\\n retStr += requestHost;\\n retStr += requestPath;\\n retStr += \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;?\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e v = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-keyword\\\"\u003eforeach\u003c/span\u003e (\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e key \u003cspan class=\\\"hljs-keyword\\\"\u003ein\u003c/span\u003e requestParams.Keys)\\n {\\n v += \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e.Format(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;{0}={1}\u0026amp;\u0026quot;\u003c/span\u003e, key, requestParams[key]);\\n }\\n retStr += v.TrimEnd(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;\u0026amp;\u0026#x27;\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e retStr;\\n }\\n\\n \u003cspan class=\\\"hljs-function\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003epublic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003estatic\u003c/span\u003e \u003cspan class=\\\"hljs-keyword\\\"\u003evoid\u003c/span\u003e \u003cspan class=\\\"hljs-title\\\"\u003eMain\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003e\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e[] args\u003c/span\u003e)\u003c/span\u003e\\n {\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 密钥参数\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************\u003c/span\u003e\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e SECRET_ID = Environment.GetEnvironmentVariable(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_ID\u0026quot;\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************\u003c/span\u003e\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e SECRET_KEY = Environment.GetEnvironmentVariable(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;TENCENTCLOUD_SECRET_KEY\u0026quot;\u003c/span\u003e);\\n\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e endpoint = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;cvm.tencentcloudapi.com\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e region = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ap-guangzhou\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e action = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;DescribeInstances\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e version = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;2017-03-12\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-built_in\\\"\u003edouble\u003c/span\u003e RequestTimestamp = \u003cspan class=\\\"hljs-number\\\"\u003e1465185768\u003c/span\u003e; \u003cspan class=\\\"hljs-comment\\\"\u003e// 时间戳 2019-02-26 00:44:25,此参数作为示例，以实际为准\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// long timestamp = ToTimestamp() / 1000;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// string requestTimestamp = timestamp.ToString();\u003c/span\u003e\\n Dictionary\u0026lt;\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e\u0026gt; param = \u003cspan class=\\\"hljs-keyword\\\"\u003enew\u003c/span\u003e Dictionary\u0026lt;\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e\u0026gt;();\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Limit\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;20\u0026quot;\u003c/span\u003e);\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Offset\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;0\u0026quot;\u003c/span\u003e);\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;InstanceIds.0\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ins-09dx96dg\u0026quot;\u003c/span\u003e);\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Action\u0026quot;\u003c/span\u003e, action);\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Nonce\u0026quot;\u003c/span\u003e, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;11886\u0026quot;\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// param.Add(\u0026quot;Nonce\u0026quot;, Math.Abs(new Random().Next()).ToString());\u003c/span\u003e\\n\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Timestamp\u0026quot;\u003c/span\u003e, RequestTimestamp.ToString());\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Version\u0026quot;\u003c/span\u003e, version);\\n\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;SecretId\u0026quot;\u003c/span\u003e, SECRET_ID);\\n param.Add(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;Region\u0026quot;\u003c/span\u003e, region);\\n SortedDictionary\u0026lt;\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e\u0026gt; headers = \u003cspan class=\\\"hljs-keyword\\\"\u003enew\u003c/span\u003e SortedDictionary\u0026lt;\u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e, \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e\u0026gt;(param, StringComparer.Ordinal);\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e sigInParam = MakeSignPlainText(headers, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;GET\u0026quot;\u003c/span\u003e, endpoint, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;/\u0026quot;\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-built_in\\\"\u003estring\u003c/span\u003e sigOutParam = Sign(SECRET_KEY, sigInParam);\\n Console.WriteLine(sigOutParam);\\n }\\n}\u003c/code\u003e\u003c/pre\u003e\\n\u003c/p\u003e\\n\u003ch3 id=\\\"NodeJS\\\"\u003eNodeJS\u003c/h3\u003e\u003cp\u003e\u003cpre\u003e\u003ccode class=\\\"language-javascript\\\"\u003e\u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e crypto = \u003cspan class=\\\"hljs-built_in\\\"\u003erequire\u003c/span\u003e(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;crypto\u0026#x27;\u003c/span\u003e);\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003efunction\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003eget_req_url\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003eparams, endpoint\u003c/span\u003e){\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Signature\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-built_in\\\"\u003eencodeURIComponent\u003c/span\u003e(params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Signature\u0026#x27;\u003c/span\u003e]);\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e url_strParam = \u003cspan class=\\\"hljs-title function_\\\"\u003esort_params\u003c/span\u003e(params)\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;https://\u0026quot;\u003c/span\u003e + endpoint + \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;/?\u0026quot;\u003c/span\u003e + url_strParam.\u003cspan class=\\\"hljs-title function_\\\"\u003eslice\u003c/span\u003e(\u003cspan class=\\\"hljs-number\\\"\u003e1\u003c/span\u003e);\\n}\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003efunction\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003eformatSignString\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003ereqMethod, endpoint, path, strParam\u003c/span\u003e){\\n \u003cspan class=\\\"hljs-keyword\\\"\u003elet\u003c/span\u003e strSign = reqMethod + endpoint + path + \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;?\u0026quot;\u003c/span\u003e + strParam.\u003cspan class=\\\"hljs-title function_\\\"\u003eslice\u003c/span\u003e(\u003cspan class=\\\"hljs-number\\\"\u003e1\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e strSign;\\n}\\n\u003cspan class=\\\"hljs-keyword\\\"\u003efunction\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003esha1\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003esecretKey, strsign\u003c/span\u003e){\\n \u003cspan class=\\\"hljs-keyword\\\"\u003elet\u003c/span\u003e signMethodMap = {\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;HmacSHA1\u0026#x27;\u003c/span\u003e: \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;sha1\u0026quot;\u003c/span\u003e};\\n \u003cspan class=\\\"hljs-keyword\\\"\u003elet\u003c/span\u003e hmac = crypto.\u003cspan class=\\\"hljs-title function_\\\"\u003ecreateHmac\u003c/span\u003e(signMethodMap[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;HmacSHA1\u0026#x27;\u003c/span\u003e], secretKey || \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026quot;\u003c/span\u003e);\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e hmac.\u003cspan class=\\\"hljs-title function_\\\"\u003eupdate\u003c/span\u003e(\u003cspan class=\\\"hljs-title class_\\\"\u003eBuffer\u003c/span\u003e.\u003cspan class=\\\"hljs-title function_\\\"\u003efrom\u003c/span\u003e(strsign, \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;utf8\u0026#x27;\u003c/span\u003e)).\u003cspan class=\\\"hljs-title function_\\\"\u003edigest\u003c/span\u003e(\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;base64\u0026#x27;\u003c/span\u003e)\\n}\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003efunction\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003esort_params\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003eparams\u003c/span\u003e){\\n \u003cspan class=\\\"hljs-keyword\\\"\u003elet\u003c/span\u003e strParam = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-keyword\\\"\u003elet\u003c/span\u003e keys = \u003cspan class=\\\"hljs-title class_\\\"\u003eObject\u003c/span\u003e.\u003cspan class=\\\"hljs-title function_\\\"\u003ekeys\u003c/span\u003e(params);\\n keys.\u003cspan class=\\\"hljs-title function_\\\"\u003esort\u003c/span\u003e();\\n \u003cspan class=\\\"hljs-keyword\\\"\u003efor\u003c/span\u003e (\u003cspan class=\\\"hljs-keyword\\\"\u003elet\u003c/span\u003e k \u003cspan class=\\\"hljs-keyword\\\"\u003ein\u003c/span\u003e keys) {\\n \u003cspan class=\\\"hljs-comment\\\"\u003e//k = k.replace(/_/g, \u0026#x27;.\u0026#x27;);\u003c/span\u003e\\n strParam += (\u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;\u0026amp;\u0026quot;\u003c/span\u003e + keys[k] + \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;=\u0026quot;\u003c/span\u003e + params[keys[k]]);\\n }\\n \u003cspan class=\\\"hljs-keyword\\\"\u003ereturn\u003c/span\u003e strParam\\n}\\n\\n\u003cspan class=\\\"hljs-keyword\\\"\u003efunction\u003c/span\u003e \u003cspan class=\\\"hljs-title function_\\\"\u003emain\u003c/span\u003e(\u003cspan class=\\\"hljs-params\\\"\u003e\u003c/span\u003e){\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 密钥参数\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_ID，值为示例的 AKID********************************\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e \u003cspan class=\\\"hljs-variable constant_\\\"\u003eSECRET_ID\u003c/span\u003e = process.\u003cspan class=\\\"hljs-property\\\"\u003eenv\u003c/span\u003e.\u003cspan class=\\\"hljs-property\\\"\u003eTENCENTCLOUD_SECRET_ID\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 需要设置环境变量 TENCENTCLOUD_SECRET_KEY，值为示例的 ********************************\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e \u003cspan class=\\\"hljs-variable constant_\\\"\u003eSECRET_KEY\u003c/span\u003e = process.\u003cspan class=\\\"hljs-property\\\"\u003eenv\u003c/span\u003e.\u003cspan class=\\\"hljs-property\\\"\u003eTENCENTCLOUD_SECRET_KEY\u003c/span\u003e\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e endpoint = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;cvm.tencentcloudapi.com\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eRegion\u003c/span\u003e = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;ap-guangzhou\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eVersion\u003c/span\u003e = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;2017-03-12\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eAction\u003c/span\u003e = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;DescribeInstances\u0026quot;\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eTimestamp\u003c/span\u003e = \u003cspan class=\\\"hljs-number\\\"\u003e1465185768\u003c/span\u003e \u003cspan class=\\\"hljs-comment\\\"\u003e// 时间戳 2016-06-06 12:02:48, 此参数作为示例，以实际为准\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// const Timestamp = Math.round(Date.now() / 1000)\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e \u003cspan class=\\\"hljs-title class_\\\"\u003eNonce\u003c/span\u003e = \u003cspan class=\\\"hljs-number\\\"\u003e11886\u003c/span\u003e \u003cspan class=\\\"hljs-comment\\\"\u003e// 随机正整数\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e//const nonce = Math.round(Math.random() * 65535)\u003c/span\u003e\\n\\n \u003cspan class=\\\"hljs-keyword\\\"\u003elet\u003c/span\u003e params = {};\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Action\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-title class_\\\"\u003eAction\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;InstanceIds.0\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;ins-09dx96dg\u0026#x27;\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Limit\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-number\\\"\u003e20\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Offset\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-number\\\"\u003e0\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Nonce\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-title class_\\\"\u003eNonce\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Region\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-title class_\\\"\u003eRegion\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;SecretId\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-variable constant_\\\"\u003eSECRET_ID\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Timestamp\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-title class_\\\"\u003eTimestamp\u003c/span\u003e;\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Version\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-title class_\\\"\u003eVersion\u003c/span\u003e;\\n\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 1. 对参数排序,并拼接请求字符串\u003c/span\u003e\\n strParam = \u003cspan class=\\\"hljs-title function_\\\"\u003esort_params\u003c/span\u003e(params)\\n\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 2. 拼接签名原文字符串\u003c/span\u003e\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e reqMethod = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;GET\u0026quot;\u003c/span\u003e;\\n \u003cspan class=\\\"hljs-keyword\\\"\u003econst\u003c/span\u003e path = \u003cspan class=\\\"hljs-string\\\"\u003e\u0026quot;/\u0026quot;\u003c/span\u003e;\\n strSign = \u003cspan class=\\\"hljs-title function_\\\"\u003eformatSignString\u003c/span\u003e(reqMethod, endpoint, path, strParam)\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// console.log(strSign)\u003c/span\u003e\\n\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 3. 生成签名串\u003c/span\u003e\\n params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Signature\u0026#x27;\u003c/span\u003e] = \u003cspan class=\\\"hljs-title function_\\\"\u003esha1\u003c/span\u003e(\u003cspan class=\\\"hljs-variable constant_\\\"\u003eSECRET_KEY\u003c/span\u003e, strSign)\\n \u003cspan class=\\\"hljs-variable language_\\\"\u003econsole\u003c/span\u003e.\u003cspan class=\\\"hljs-title function_\\\"\u003elog\u003c/span\u003e(params[\u003cspan class=\\\"hljs-string\\\"\u003e\u0026#x27;Signature\u0026#x27;\u003c/span\u003e])\\n\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// 4. 进行url编码并拼接请求url\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// const req_url = get_req_url(params, endpoint)\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// console.log(params[\u0026#x27;Signature\u0026#x27;])\u003c/span\u003e\\n \u003cspan class=\\\"hljs-comment\\\"\u003e// console.log(req_url)\u003c/span\u003e\\n}\\n\u003cspan class=\\\"hljs-title function_\\\"\u003emain\u003c/span\u003e()\u003c/code\u003e\u003c/pre\u003e\\n\u003c/p\u003e\\n\",\"showToc\":true,\"toc\":\"\u003cli\u003e\u003ca href=\\\"#1.-.E7.94.B3.E8.AF.B7.E5.AE.89.E5.85.A8.E5.87.AD.E8.AF.81\\\" title=\\\"1. 申请安全凭证\\\"\u003e1. 申请安全凭证\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#2.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2\\\" title=\\\"2. 生成签名串\\\"\u003e2. 生成签名串\u003c/a\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\\\"#2.1.-.E5.AF.B9.E5.8F.82.E6.95.B0.E6.8E.92.E5.BA.8F\\\" title=\\\"2.1. 对参数排序\\\"\u003e2.1. 对参数排序\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#2.2.-.E6.8B.BC.E6.8E.A5.E8.AF.B7.E6.B1.82.E5.AD.97.E7.AC.A6.E4.B8.B2\\\" title=\\\"2.2. 拼接请求字符串\\\"\u003e2.2. 拼接请求字符串\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#2.3.-.E6.8B.BC.E6.8E.A5.E7.AD.BE.E5.90.8D.E5.8E.9F.E6.96.87.E5.AD.97.E7.AC.A6.E4.B8.B2\\\" title=\\\"2.3. 拼接签名原文字符串\\\"\u003e2.3. 拼接签名原文字符串\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#2.4.-.E7.94.9F.E6.88.90.E7.AD.BE.E5.90.8D.E4.B8.B2\\\" title=\\\"2.4. 生成签名串\\\"\u003e2.4. 生成签名串\u003c/a\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#3.-.E7.AD.BE.E5.90.8D.E4.B8.B2.E7.BC.96.E7.A0.81\\\" title=\\\"3. 签名串编码\\\"\u003e3. 签名串编码\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#4.-.E7.AD.BE.E5.90.8D.E5.A4.B1.E8.B4.A5\\\" title=\\\"4. 签名失败\\\"\u003e4. 签名失败\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#5.-.E7.AD.BE.E5.90.8D.E6.BC.94.E7.A4.BA\\\" title=\\\"5. 签名演示\\\"\u003e5. 签名演示\u003c/a\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\\\"#Java\\\" title=\\\"Java\\\"\u003eJava\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#Python\\\" title=\\\"Python\\\"\u003ePython\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#Golang\\\" title=\\\"Golang\\\"\u003eGolang\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#PHP\\\" title=\\\"PHP\\\"\u003ePHP\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#Ruby\\\" title=\\\"Ruby\\\"\u003eRuby\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#DotNet\\\" title=\\\"DotNet\\\"\u003eDotNet\u003c/a\u003e\u003c/li\u003e\u003cli\u003e\u003ca href=\\\"#NodeJS\\\" title=\\\"NodeJS\\\"\u003eNodeJS\u003c/a\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/li\u003e\",\"recentReleaseTime\":\"2024-12-25 01:51:32\",\"videoConfig\":{},\"writeUrl\":null,\"isSlate\":false,\"writeNodeId\":\"\",\"displayEditEntry\":false,\"slate\":\"\"},\"relationConfig\":{},\"shareConfig\":{},\"advanced\":{}},\"relatedHotArticleList\":[]},\"staticContext\":{\"isMobile\":false,\"isMiniProgram\":false,\"isWechat\":false,\"isPreview\":false,\"originalUrl\":\"/document/api/849/52015\",\"CDN_DOMAIN\":\"cloudcache.tencent-cloud.com\",\"QCLOUD_DOMAIN\":\"cloud.tencent.com\",\"isLegalReferer\":true,\"ssrInfo\":{},\"language\":\"zh\",\"requestId\":\"W39XKSX4R\"}},\"0-0\":null},\"actionData\":null,\"errors\":null}");</script></div><script>window.isServerContext = false; window.isClientContext = true; window.$serverTime = 1740500092467; window.$clientTime = 1740500092467;</script><script> window.CDN_DOMAIN = 'cloudcache.tencent-cloud.com'; window.QCLOUD_DOMAIN = 'cloud.tencent.com'; window.language = 'zh'; window.ssrError = undefined </script><script 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