获取图片验证码接口
<p><strong>简要描述：</strong> </p>
<ul>
<li>获取图片验证码接口</li>
</ul>
<p><strong>请求URL：</strong> </p>
<ul>
<li><code>http://xx.com/auth/getCaptcha</code></li>
</ul>
<p><strong>请求方式：</strong></p>
<ul>
<li>
<p>POST </p>
<p><strong>返回参数说明</strong> </p>
</li>
</ul>
<table>
<thead>
<tr>
<th style="text-align: left;">参数名</th>
<th style="text-align: left;">父节点</th>
<th style="text-align: left;">类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left;">timeStamp</td>
<td style="text-align: left;"></td>
<td style="text-align: left;">String</td>
<td>时间戳</td>
</tr>
<tr>
<td style="text-align: left;">returnCode</td>
<td style="text-align: left;"></td>
<td style="text-align: left;">String</td>
<td>返回code</td>
</tr>
<tr>
<td style="text-align: left;">returnMessage</td>
<td style="text-align: left;"></td>
<td style="text-align: left;">String</td>
<td>返回message</td>
</tr>
<tr>
<td style="text-align: left;">bean</td>
<td style="text-align: left;"></td>
<td style="text-align: left;">Map</td>
<td>返回结果</td>
</tr>
<tr>
<td style="text-align: left;">imgKey</td>
<td style="text-align: left;">bean</td>
<td style="text-align: left;">String</td>
<td>验证码凭证</td>
</tr>
<tr>
<td style="text-align: left;">img</td>
<td style="text-align: left;">bean</td>
<td style="text-align: left;">String</td>
<td>图片Base64编码</td>
</tr>
</tbody>
</table>
<p><strong>返回示例</strong></p>
<pre><code>{
"timeStamp": "1571298817246",
"returnCode": "0000",
"beans": [],
"returnMessage": "操作成功",
"bean": {
"imgKey": "8c5b8b9d-8954-4ced-bc20-f2697742bceb",
"img": "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"
}
}</code></pre>
<p><strong>备注</strong> </p>
<ul>
<li>更多返回错误代码请看首页的错误代码描述</li>
</ul>