```javascript
WXAPI.wxmpAuth({
code: 1234
})
```
+ code code parameter data returned by WeChat login interface
+ postJsonString user’s extended data, must be in json format, this parameter does not need to be passed
+ referrer user ID of the inviter. If there is no inviter, this parameter does not need to be passed.
```json
{
code: 0,
msg: 'success',
data: {
token: '0000',
uid: 123,
openid: '1111'
}
}
```
+ token user login credentials
+ uid user number
+ openid WeChat user’s unique openid