May 18, 2021 WeChat Mini Program Development Document
WeChat background informs the owner that the payment was successful (no notification if the payment failed).
| The name of the argument | Type | Required | Note |
|---|---|---|---|
| appid | string | Y | Small program appid |
| mch_id | string | Y | Pay the merchant number |
| nonce_str | string | Y | Random string |
| encrypted_data | string | Y | Use AESCBCPKCS7PADDING |
| Ⅳ | string | Y | IV for decryption (base64) |
| sign | string | Y | Signature of 1 to 5 fields |
encrypted_data decrypted data
| The name of the argument | Type | Required | Note |
|---|---|---|---|
| out_user_id | string | Y | Owner background to the user's identity, set up when the registration callback interface exists |
| Openid | string | Y | User openid |
| bank_type | string | Y | Payment type, with a string type of bank identity |
| total_fee | Int | Y | Pay the fee |
| transaction_id | string | Y | WeChat payment slip number |
| time_end | string | Y | The format is yyyyyMddHmmss, e.g. 9:10:10 on December 25, 2009 expressed as 20091225091010 |
| repay_no | string | Y | The number of the bill owed |
| order_no | array | Y | The ride code number associated with this owe single number (there is a case of paying multiple rides), each of the content is String |
| order | array | Y | Detailed information about the passenger code number associated with this owe single number |
Each of the ORDER is as follows:
| parameter name | type | required | Remark |
|---|---|---|---|
| order_no | string | Y | Taxation code number |
| attach | string | Y | Additional information from high-densive deduction |
| base64_qrcode | string | Y | Base64 passenger code information |
| out_order_no | string | Y | External password number |
| parameter name | type | required | Remark |
|---|---|---|---|
| errcode | int | Y | 0 is successful |
| errmsg | string | N | Error message |
| nonce_str | string | Y | Bring back |
ask:
{"appid":"test","mch_id":"123456","nonce_str":"abcdefg","encrypted_data":"jfiwajeofjiefef","iv":"afweifwefe"}
Encrypted_data decryption is:
{
"out_user_id":"xxx",
"openid":"1234",
"bank_type":"LQT",
"total_fee":123,
"transaction_id":"12312312",
"time_end":"2020030319551111",
"repay_no":"2020202202020",
"order_no":[
"123",
"456"]
}
Return:
{"errcode":0,"nonce_str":"abcdefg","encrypted_data":"jfiwajeofjiefef","iv":"afweifwefe"}