购买贝壳 完成
#### 简要描述：
-xx接口
#### 请求URL:
-/game/bkproduct/buy
#### 请求方式：
- POST
#### 请求头：
|参数名|是否必须|类型|默认值|说明|
|:------- |:---|:----- |:---|----- |
|Content-Type |是 |string|| application/json|
#### 请求body示例:
```
{
"id": "1sdfasdfasdf",//ID
"openId": "",//小程序的openid
"payType": 1,//1微信 2支付宝
}
```
#### 返回示例:
```
{
"code": 200,
"result": {
"appid": "00222726",
"cusid": "553651048162YQS",
"payinfo": "https://syb.allinpay.com/apiweb/h5unionpay/native?key=n5UYhfYmC2eKLKucGAbPxE4R",
"randomstr": "937147453540",
"reqsn": "no123434112",
"retcode": "SUCCESS",
"sign": "jiaG5jN7adkE0KFrgR1m6Sqm09UJn2To0IxErfhycHOwgTV2UOEWYv5dSchPWTCV+AyCvbSq2E20xCrXwetNjn2NYnIxglKF961131+75QfUV/0VDcgUfXtTdYP05PrlZzljLtoMok2PSslO9KKvkFtmu9i3mtpZ8bkcG7NhJFg=",
"trxid": "211112110807046663",
"trxstatus": "0000"
},
"message": ""
}
```