★ 通讯规范
> 业务方以 `JSON` 格式通过 `HTTP POST` 到支付系统
请求头设置 `Content-Type` 为`application/json;charset=utf-8`
请求体放置 `JSON` 格式的参数
接口返回 `JSON` 格式的数据
示例
1. 请求
- HTTP 请求报文
```
POST /backend/user/token_apply HTTP/1.1
Host: http://localhost:8080
Content-Type: application/json;charset=utf-8
{
"outUserNo": "123456",
"platNo": "P-DEV-XIAOAI",
"sign": "abcdefg"
}
```
- curl 请求
```
curl --request POST 'http://localhost:8080/backend/cashier/token_apply' \
--header 'Content-Type: application/json;charset=utf-8' \
--data-raw '{
"outUserNo": "123456",
"platNo": "P-DEV-XIAOAI",
"sign": "abcdefg"
}'
```
2. 响应
- HTTP 响应报文
```
HTTP/1.1 200 OK
Content-Type: application/json;charset=utf-8
{
"retCode": "000000",
"retMsg": "成功",
"sign": "abcdefg",
"userToken": "qweiyorqwsadasjfsa"
}
```
- curl 响应
```
{
"retCode": "000000",
"retMsg": "成功",
"sign": "abcdefg",
"userToken": "qweiyorqwsadasjfsa"
}
```