Without further ado, just look at the code.
RequestHandler requestHandler = new RequestHandler(super.getRequest(),super.getResponse()); //Get token //Valid within two hours, and re-get Token after two hours = requestHandler.GetToken(); //Update token to the application requestHandler.getTokenReal(); System.out.println("WeChat Pay Get token===========================:" +Token); //RequestHandler Initialize requestHandler.init(); requestHandler.init(appid,appsecret, appkey, partnerkey, key); Code: Local system generates orders
// Set package order parameters SortedMap<String, String> packageParams = new TreeMap<String, String>(); packageParams.put("bank_type", "WX"); // Payment type packageParams.put("body", "xxxx"); // Product description packageParams.put("fee_type", "1"); // Bank currency packageParams.put("input_charset", "UTF-8"); // Character set packageParams.put("notify_url", "http://xxxx.com/xxxx/wxcallback"); // The notification address here is tested using the external network address, and pay attention to whether port 80 is open. packageParams.put("out_trade_no", no); // Merchant order number packageParams.put("partner", partnerrid); // Set merchant number packageParams.put("spbill_create_ip", super.getRequest().getRemoteHost()); // The machine IP generated by the order refers to the user's browser IP packageParams.put("total_fee", String.valueOf(rstotal)); // The total amount of the product is divided into units// Set payment parameters SortedMap<String, String> signParams = new TreeMap<String, String>(); signParams.put("appid", appid); signParams.put("noncestr", noncestr); signParams.put("traceid", PropertiesUtils.getOrderNO()); signParams.put("timestamp", timestamp); signParams.put("package", packageValue); signParams.put("appkey", this.appkey); // To generate a payment signature, the original value of URLENCODER must be used for the SHA1 algorithm! String sign =""; try { sign = Sha1Util.createSHA1Sign(signParams); } catch (Exception e) { e.printStackTrace(); } // Add additional parameters for non-participated signatures to signParams.put("sign_method", "sha1"); signParams.put("app_signature", sign); // Api payment package ends --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- :" + prepayid); Code: Generate prepaid fast order completion
// Generate prepaid fast order to complete, return to android,ios and drop the required parameters for WeChat. SortedMap<String, String> payParams = new TreeMap<String, String>(); payParams.put("appid", appid); payParams.put("noncestr", noncestr); payParams.put("package", "Sign=WXPay"); payParams.put("partnerid", partnerrid); payParams.put("prepayid", prepare); payParams.put("appkey", this.appkey); //The difference here is 1000 because of the parameter length limit. int time = (int) (System.currentTimeMillis() / 1000); payParams.put("timestamp",String.valueOf(time)); System.out.println("timestamp:" + time); //Signature String paysign =""; try { paysign = Sha1Util.createSHA1Sign(payParams); } catch (Exception e) { e.printStackTrace(); } payParams.put("sign", paysign); //Spoof json data is returned to the client BasicDBObject backObject = new BasicDBObject(); backObject.put("appid", appid); backObject.put("noncestr", payParams.get("noncestr")); backObject.put("package", "Sign=WXPay"); backObject.put("partnerid", payParams.get("partnerid")); backObject.put("prepayid", payParams.get("prepayid")); backObject.put("appkey", this.appkey); backObject.put("timestamp",payParams.get("timestamp")); backObject.put("sign",payParams.get("sign")); String backstr = dataObject.toString(); System.out.println("backstr:" + backstr); return backstr; So far, the prepayment order has been generated and has been returned to the client, waiting for the WeChat server to notify. The address of the notification is notify_url that generates the prepayment order.
ResponseHandler resHandler = new ResponseHandler(request, response); resHandler.setKey(partnerkey); //Create request object//RequestHandler queryReq = new RequestHandler(request, response); //queryReq.init(); if (resHandler.isTenpaySign() == true) { //Merchant order number String out_trade_no = resHandler.getParameter("out_trade_no"); System.out.println("out_trade_no:" + out_trade_no); //Tenpay order number String transaction_id = resHandler.getParameter("transaction_id"); System.out.println("transaction_id:" + transaction_id); //Amount, in units of division String total_fee = resHandler.getParameter("total_fee"); //If a discount coupon is used, discount has a value, total_fee+discount=the original requested total_fee String discount = resHandler.getParameter("discount"); //Payment result String trade_state = resHandler.getParameter("trade_state"); //Judge signature and result if ("0".equals(trade_state)) { //----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- //Send a successful message to Tenpay system. Tenpay system will no longer provide subsequent notifications after receiving this result resHandler.sendToCFT("success"); //Return success to the WeChat server otherwise 8 notifications in 30 minutes return "success"; }else{ System.out.println("notify signature verification failed"); resHandler.sendToCFT("fail"); response.setCharacterEncoding("utf-8"); } }else { System.out.println("fail -Md5 failed"); }The above is the code that Java implements WeChat payment server. I hope everyone will study it carefully to realize WeChat payment.