7.获取回单

<h3>1.基本信息</h3> <ul> <li>接口说明：获取回单</li> <li>路径：/getReceipt</li> <li>请求方法：POST</li> </ul> <h3>2. 业务请求参数</h3> <table> <thead> <tr> <th>参数名</th> <th>是否必需</th> <th>类型</th> <th>说明</th> <th>示例</th> </tr> </thead> <tbody> <tr> <td>orderUuid</td> <td>是</td> <td>string</td> <td>子订单标识</td> <td>5e9ead8b-50d7-3fb6-f8ec-fd367ad9146e</td> </tr> </tbody> </table> <h3>3. 业务响应数据</h3> <table> <thead> <tr> <th>参数名</th> <th>是否必需</th> <th>类型</th> <th>说明</th> <th>示例</th> </tr> </thead> <tbody> <tr> <td>orderUuid</td> <td>是</td> <td>string</td> <td>子订单标识</td> <td>5e9ead8b-50d7-3fb6-f8ec-fd367ad9146e</td> </tr> <tr> <td>contentType</td> <td>是</td> <td>string</td> <td>文件类型，通常为pdf或zip</td> <td>zip</td> </tr> <tr> <td>base64Content</td> <td>否</td> <td>string</td> <td>子订单标识</td> <td>aGVsbG8sd29ybGQu</td> </tr> </tbody> </table> <h3>4. 注意事项</h3>