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class="sidebar-sub-header"><a href="/team/frontend/overview/http.html#数据格式样例" class="sidebar-link">数据格式样例</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/http.html#api-交互规则" class="sidebar-link">API 交互规则</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/http.html#跨域与重复请求" class="sidebar-link">跨域与重复请求</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/http.html#数据表格" class="sidebar-link">数据表格</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/http.html#登录授权" class="sidebar-link">登录授权</a></li></ul></li><li><a href="/team/frontend/overview/system-model.html" class="sidebar-link">系统交互模型</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/team/frontend/overview/system-model.html#基础原则" class="sidebar-link">基础原则</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/system-model.html#流程示意" class="sidebar-link">流程示意</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/system-model.html#数据模型" class="sidebar-link">数据模型</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/system-model.html#api-接口" class="sidebar-link">API 接口</a></li></ul></li><li><a href="/team/frontend/overview/framework.html" class="sidebar-link">系统框架</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/team/frontend/overview/framework.html#目录结构描述" class="sidebar-link">目录结构描述</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/framework.html#api" class="sidebar-link">API</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/framework.html#自定义指令集-directive" class="sidebar-link">自定义指令集 directive</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/framework.html#表单校验规则" class="sidebar-link">表单校验规则</a></li></ul></li><li><a href="/team/frontend/overview/web-open-platform.html" class="sidebar-link">网页能力开放平台</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/team/frontend/overview/web-open-platform.html#平台介绍及使用规范" class="sidebar-link">平台介绍及使用规范</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/web-open-platform.html#现有项目-模块" class="sidebar-link">现有项目/模块</a></li></ul></li><li><a href="/team/frontend/overview/quality.html" class="sidebar-link">质量保证体系</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/team/frontend/overview/quality.html#团队应用现状" class="sidebar-link">团队应用现状</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/quality.html#语法检查" class="sidebar-link">语法检查</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/quality.html#单元测试" class="sidebar-link">单元测试</a></li><li class="sidebar-sub-header"><a href="/team/frontend/overview/quality.html#端对端测试-end-to-end" class="sidebar-link">端对端测试（End-to-end）</a></li></ul></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="数据交互格式标准"><a href="#数据交互格式标准" class="header-anchor">#</a> 数据交互格式标准</h1> <p>前后端数据交互标准格式详细说明</p> <h2 id="数据格式样例"><a href="#数据格式样例" class="header-anchor">#</a> 数据格式样例</h2> <div class="language-js line-numbers-mode"><div class="highlight-lines"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><div class="highlighted"> </div><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><div class="highlighted"> </div><br><br><br><br><br><br></div><pre class="language-js"><code><span class="token punctuation">{</span>
<span class="token comment">/**
* 请求结果
* -1: 业务检查不通过
* 0: 请求成功，数据正常返回
* 2: token 失效，主要用于用户登录超时、特定情况下主动清除用户登录状态
* 例如用户权限发生变化等场景
*/</span>
<span class="token string">"code"</span><span class="token operator">:</span> number<span class="token punctuation">,</span>
<span class="token comment">/**
* 请求异常的提示信息
* 当数据请求结果为 0 时，本节点仅需固定输出 "ok" 即可
* 当数据请求结果为 -1 时，必须输出错误相关的描述内容
*
* 业务检查不通过示例：
* {
* "code": -1,
* "msg": "姓名不能超过 20 个字符"
* }
*
* 请求成功的示例：
* {
* "code": 0,
* "msg": "ok",
* "data": {
* 业务数据
* }
* }
*/</span>
<span class="token string">"msg"</span><span class="token operator">:</span> string<span class="token punctuation">,</span>
<span class="token comment">/**
* 请求后返回的数据内容都应在 data 节点下输出
*/</span>
<span class="token string">"data"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token comment">/**
* 常规单一数据节点
*/</span>
<span class="token string">"attr"</span><span class="token operator">:</span> value<span class="token punctuation">,</span>
<span class="token comment">/**
* 对象数据节点
*/</span>
<span class="token string">"user"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token string">"name"</span><span class="token operator">:</span> <span class="token string">"zhangsan"</span><span class="token punctuation">,</span>
<span class="token string">"age"</span><span class="token operator">:</span> <span class="token number">18</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token comment">/**
* 列表型数据节点
*/</span>
<span class="token string">"users"</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token punctuation">{</span> object <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token operator">...</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token comment">/**
* 数据表格结果输出的数据节点
*/</span>
<span class="token string">"grid"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token comment">// 当前页码</span>
<span class="token string">"pageNumber"</span><span class="token operator">:</span> number<span class="token punctuation">,</span>
<span class="token comment">// 总记录数</span>
<span class="token string">"totalRow"</span><span class="token operator">:</span> number<span class="token punctuation">,</span>
<span class="token comment">// 数据列表内容</span>
<span class="token string">"list"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
<span class="token punctuation">{</span>
object <span class="token comment">// 数据模型</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">{</span> <span class="token operator">...</span> <span class="token punctuation">}</span>
<span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token comment">/**
* 用户登录、更新/刷新 token 等登录授权操作后输出的数据节点
*/</span>
<span class="token string">"access"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token string">"accessToken"</span><span class="token operator">:</span> string<span class="token punctuation">,</span>
<span class="token string">"expiresIn"</span><span class="token operator">:</span> number
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre><div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span 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id="api-交互规则"><a href="#api-交互规则" class="header-anchor">#</a> API 交互规则</h2> <p>RESTful API 是 API 设计风格而非标准，在团队应用中仅按需使用相应内容即可，目前团队执行以下规范</p> <ol><li>开发与测试环境使用 <code>http</code> 协议，生产环境下使用 <code>https</code> 协议</li> <li>描述性 api 地址（Endpoint），例如：<code>https://aa.com/v1/system/user/profile/{id}</code></li> <li><strong>HTTP 动词统一使用 <code>POST</code></strong></li></ol> <p>更多 RESTful API 内容：</p> <ul><li><a href="http://www.ruanyifeng.com/blog/2014/05/restful_api.html" target="_blank" rel="noopener noreferrer">RESTful API 设计指南<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></li> <li><a href="https://www.ruanyifeng.com/blog/2018/10/restful-api-best-practices.html" target="_blank" rel="noopener noreferrer">RESTful API 最佳实践<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></li></ul> <h2 id="跨域与重复请求"><a href="#跨域与重复请求" class="header-anchor">#</a> 跨域与重复请求</h2> <p>除少数历史遗留项目外，公司现有项目均使用前后端分离模式，即前端、服务端各自独立开发、运行和部署。</p> <h3 id="跨域-cors"><a href="#跨域-cors" class="header-anchor">#</a> 跨域（CORS）</h3> <p>示例网址： <code>https://abc.com:8080/</code></p> <p>构成网址的三个基本元素</p> <ul><li>协议（<code>https://</code>）</li> <li>网址（<code>abc.com</code>）</li> <li>端口（<code>8080</code>）</li></ul> <p>两个网址之间，只要有上述三个元素中其中一项不一致，即为跨域访问。前后端项目在各自独立运行部署后，则天然处于跨域模式下</p> <p>更多跨域资料：<a href="http://www.ruanyifeng.com/blog/2016/04/cors.html" target="_blank" rel="noopener noreferrer">跨域资源共享 CORS 详解<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <h3 id="跨域请求模式"><a href="#跨域请求模式" class="header-anchor">#</a> 跨域请求模式</h3> <p>浏览器将 CORS 请求分成两类：</p> <ul><li>简单请求（simple request）</li> <li>非简单请求（not-so-simple request）</li></ul> <h4 id="简单请求"><a href="#简单请求" class="header-anchor">#</a> 简单请求</h4> <p>只要同时满足以下两大条件，就属于简单请求</p> <ol><li>请求方法是以下三种方法之一：<code>HEAD</code>、<code>GET</code>、<code>POST</code></li> <li>HTTP的头信息不超出以下几种字段
<ul><li>Accept</li> <li>Accept-Language</li> <li>Content-Language</li> <li>Last-Event-ID</li> <li>Content-Type：只限于三个值 <code>application/x-www-form-urlencoded</code>、<code>multipart/form-data</code>、<code>text/plain</code></li></ul></li></ol> <h4 id="非简单请求"><a href="#非简单请求" class="header-anchor">#</a> 非简单请求</h4> <p>非简单请求是那种对服务器有特殊要求的请求，比如请求方法是 <code>PUT</code> 或 <code>DELETE</code>，或者 <code>Content-Type</code> 字段的类型是 <code>application/json</code></p> <h3 id="跨域应用"><a href="#跨域应用" class="header-anchor">#</a> 跨域应用</h3> <p>根据以上描述的内容，结合公司使用的规则</p> <ul><li>跨域</li> <li>HTTP 动词为 <code>POST</code></li> <li>Content-Type 为 <code>application/json</code></li></ul> <p>那么在发起 HTTP 数据请求时，HTTP Client 插件将会增加一次 HTTP 查询请求，称为 “预检” 请求（preflight），特点就是该请求的 <code>General</code> 段中的 <code>Request Method</code> 值为 <code>OPTIONS</code>，没有请求参数，该请求的功能仅在向服务器询问当前的 <strong>非简单请求</strong> 是否允许访问</p> <div class="custom-block danger"><p class="custom-block-title">应用服务器 / 静态网页服务器处理</p> <p>项目开发之初，服务端应优先开发调试跨域支持，以免影响后续工作</p> <p>另外，无论是具体的应用服务，如 <code>nodejs</code>、<code>PHP</code> 、<code>GO</code> 或 <code>Java</code> 等，还是静态网页服务器 <code>nginx</code>，在检测到请求方法是 <code>OPTIONS</code> 时，请直接返回 <code>204</code> 状态，该状态意为请求成功，但无返回内容（NO CONTENT），该处理可避免预检请求执行业务内容，浪费资源</p></div> <h2 id="数据表格"><a href="#数据表格" class="header-anchor">#</a> 数据表格</h2> <p>数据表格的标准数据交换格式</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">// 入参</span>
<span class="token punctuation">{</span>
<span class="token comment">// 表格自动根据当前分页情况发送</span>
<span class="token string">"pageNumber"</span><span class="token operator">:</span> number<span class="token punctuation">,</span>
<span class="token string">"pageSize"</span><span class="token operator">:</span> number<span class="token punctuation">,</span>
<span class="token comment">// 自定义业务/查询参数</span>
<span class="token operator">...</span>
<span class="token punctuation">}</span>
<span class="token comment">// 返回数据</span>
<span class="token punctuation">{</span>
<span class="token string">"data"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token string">"grid"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token comment">// 当前页</span>
<span class="token string">"pageNumber"</span><span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
<span class="token comment">// 总记录数</span>
<span class="token string">"totalRow"</span><span class="token operator">:</span> <span class="token number">3</span><span class="token punctuation">,</span>
<span class="token comment">// 数据列表内容</span>
<span class="token string">"list"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
<span class="token punctuation">{</span>
object <span class="token comment">// 数据模型</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token punctuation">{</span> <span class="token operator">...</span> <span class="token punctuation">}</span>
<span class="token punctuation">]</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br></div></div><h2 id="登录授权"><a href="#登录授权" class="header-anchor">#</a> 登录授权</h2> <p>访问类似用户登录、切换用户/公司/企业、交换/刷新 <code>token</code> 等接口时，在请求成功后，应输出 <code>access</code> 标准节点，用于输出登录授权相关的访问令牌及有效期限等内容</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token punctuation">{</span>
<span class="token string">"data"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token string">"access"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token string">"accessToken"</span><span class="token operator">:</span> string<span class="token punctuation">,</span>
<span class="token string">"expiresIn"</span><span class="token operator">:</span> number
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h3 id="处理逻辑"><a href="#处理逻辑" class="header-anchor">#</a> 处理逻辑</h3> <p>用于数据请求的 <strong>http client</strong> 会在每一次数据请求成功后（<code>"code": 0</code>），检查数据内容中是否包含 <code>access</code> 节点，若有，则当前用户访问令牌等内容会被新数据所更新，并在下一次数据请求时，于 <code>Request Headers</code> 数据段中增加</p> <p><code>"Authorization": "Bearer ${token}"</code></p> <p>属性，上述 <code>${token}</code> 内容为登录授权接口返回的 <code>access.accessToken</code> 数据，用于服务端进行用户身份验证</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">最后更新时间:</span> <span class="time">10/15/2020, 7:03:30 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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