Applet payment management - new payment docking process

• Background

1. At present, it is the grayscale test stage , A few small programs need 【 Payment management 】 Mode docking ; Most don't need
2. 【 Payment management 】 The way is the same as the video number 【 Custom payment components 】 The docking process is similar ; Use in a similar way .

Official docking instructions ：

Introduction to applet payment management service | Wechat open documents

 

• Docking process

One 、 Registered merchant number

 

Two 、 Unified order , The client calls up the payment

call wx.requestOrderPayment  front , It needs to be on the wechat public platform - function - Payment management entry or call Incoming interface   Apply for the merchant number .

3、 ... and 、 Configure message push , Receive payment result notification 、 Order refund notice, etc

In particular ：

Notice of news Receiving messages requires decryption

Respond to wechat server , It needs to be encrypted

Special instructions for parameter verification ：

Request parameters ： The content of the request message is an empty string

Response parameter ： Please return as is echostr Parameter contents , Then access becomes effective , Success as a developer , Otherwise, access fails

 

 

• Message implementation docking instructions

Official documents ：

Message push | Wechat open documents

Encryption and decryption instructions , And there is source code Demo

summary | Wechat open documents

       public IActionResult Callback()

        {

            try

            {

                using (StreamReader sr = new StreamReader(Request.Body, Encoding.UTF8))

                {

                    //LogHelper.Info(" Accept event callback processing ");

                    string content = sr.ReadToEndAsync().Result;// Verify the content siege sent by the request

                    LogHelper.Info(content);

                    // Decryption processing

                    EventManage.ReqData reqData = new EventManage.ReqData();

                    reqData.signature = Request.Query["signature"];

                    reqData.timestamp = Request.Query["timestamp"];

                    reqData.nonce = Request.Query["nonce"];

                    reqData.echostr = Request.Query["echostr"];

                    EventManage _event = new EventManage();

                    _event.reqData = reqData;

                    var eventOrder = _event.LoadData(content);

                    if (string.IsNullOrEmpty(reqData.postdata))

                        return Content(reqData.echostr);

                    LogHelper.Info(" Processed order number ："+eventOrder.Order_Info.Trade_No);

                    // Logical processing , Modify order status , Recharge to the account , Award processing

                    RechargeRecordOperate _rechange = new RechargeRecordOperate();

                    _rechange.CallBack(eventOrder.Order_Info.Trade_No);

                   // Send official account notice

                    return Json(_event.Success());

                }

            }

            catch (Exception ex)

            {

               LogHelper.Debug(" Applet message callback , Report errors ：", ex);

                return Error(ex);

            }

        }

more ：

Wechat applet saves video to photo album wx.saveVideoToPhotosAlbum（）

wx.scanCode(Object object) The use of,

The use of wechat applet recording interface -RecorderManager