May 19, 2021 WeChat Mini Program Development Document
Start WeChat payment.
Object parameter description:
| Parameters | Type | Required | Description |
|---|---|---|---|
| timeStamp | String | Is | The number of seconds from 00:00:00 on January 1, 1970 to the present time |
| nonceStr | String | Is | Random string with a length of less than 32 characters. |
| package | String | Is | Unified order interface returned by the prepay_id parameter value, the submission format is prepay_id * |
| signType | String | Is | Signature algorithm, MD5 is temporarily supported |
| paySign | String | Is | Signature, see the small program payment interface document for specific signature schemes ; |
| success | Function | Whether | The interface calls a successful callback function |
| fail | Function | Whether | The interface calls the failed callback function |
| complete | Function | Whether | Callback function at end of interface call (call succeeds, fails are executed) |
For more information, check out the WeChat payment interface documentation
Callback results:
| The type of callback | errMsg | Description |
|---|---|---|
| success | requestPayment:ok | The call was successful |
| fail | requestPayment:fail cancel | The user cancels the payment |
| fail | requestPayment:fail (detail message) | The call payment failed, where the detail message is the detailed reason for the failure returned in the background |
Example code:
wx.requestPayment({
"timeStamp": "",
"nonceStr": "",
"package": "",
"signType": "MD5",
"paySign": "",
"success":function(res){
},
"fail":function(res){
}
})
bug
: 6.5.2 and previous versions, user cancellation does not trigger a fail callback, only a complete callback, callback errMsg is 'requestPayment:cancel'