全局错误码
<table>
<thead>
<tr>
<th>错误码</th>
<th>错误解释</th>
</tr>
</thead>
<tbody>
<tr>
<td>1000</td>
<td>success</td>
</tr>
<tr>
<td>1001</td>
<td>请求参数错误</td>
</tr>
<tr>
<td>1002</td>
<td>用户名已存在</td>
</tr>
<tr>
<td>1003</td>
<td>用户名不存在</td>
</tr>
<tr>
<td>1004</td>
<td>用户名或密码错误</td>
</tr>
<tr>
<td>1005</td>
<td>服务繁忙</td>
</tr>
<tr>
<td>1006</td>
<td>需要登陆</td>
</tr>
<tr>
<td>1007</td>
<td>无效的token</td>
</tr>
<tr>
<td>1008</td>
<td>访客列表为空</td>
</tr>
<tr>
<td>1009</td>
<td>访客不存在</td>
</tr>
<tr>
<td>1010</td>
<td>请求参数错误</td>
</tr>
<tr>
<td>1011</td>
<td>查询访客数据库失败</td>
</tr>
<tr>
<td>1012</td>
<td>获取访客信息错误</td>
</tr>
<tr>
<td>1013</td>
<td>获取钉钉访客表id失败</td>
</tr>
<tr>
<td>1014</td>
<td>获取钉钉访客表单失败</td>
</tr>
<tr>
<td>1015</td>
<td>获取钉钉数据参数错误</td>
</tr>
</tbody>
</table>