图片上传和证书生成接口
### 1. 生成准考证接口
**简要描述：**
- 生成用户准考证接口
**请求URL：**
- ` http://xx.com/portal/image_synthesis/image_service `
**请求方式：**
- POST
**参数：**
|参数名|类型|是否必填|说明|
|:----- |:-----|:---|-----|
|id|int|Y|报名表id|
|qzgx|int|N|是否强制更新，1强制，0不强制，默认0|
**成功返回示例**
```
{
"code": 20000,
"message": "证书信息请求成功",
"image_url":"https://arttest.oss-cn-beijing.aliyuncs.com/exam/ticket/20200618/2020131300002zkz.png",
}
```
**失败返回示例**
```
{
"code": 50000,
"message": "错误信息",
}
```
---
### 2. 上传用户图片接口
- 考生两寸照片上传
**请求URL：**
- ` http://nate.org.cn/portal/image_synthesis/user_head_image `
- ---
- 考生证书信息上传
**请求URL：**
- ` http://nate.org.cn/portal/image_synthesis/user_exam_image `
**成功返回示例**
```
{
"code": 20000,
"message": "图片上传成功",
"image_url":"https://arttest.oss-cn-beijing.aliyuncs.com/exam/headpublic/20200617/vt7ku620200617ad221419085b264860e9ee726afce5c.jpg",
}
```
**失败返回示例**
```
{
"code": 50000,
"message": "参数错误",
}
```