1：調用支付寶接口，獲取的結果from表單給前端

2：將返回的結果發送給前端，前端觸發submin表番

3：用戶支付完成會觸發 異步和同步

//手機喚起支付寶 //傳參public AlipayTradeWapPayResponse payPhone(OrderDto orderDto) throws AlipayApiException {AlipayClient alipayClient = new DefaultAlipayClient(payMent.getGatewayUrl(), payMent.getAppId(), payMent.getRsaPrivateKey(), payMent.getFormat(), payMent.getCharset(), payMent.getAlipayPublicKey(), payMent.getSignType());AlipayTradeWapPayRequest request = new AlipayTradeWapPayRequest();request.setNotifyUrl(payMent.getNotifyUrl());request.setReturnUrl(payMent.getReturnUrl());JSONObject bizContent = new JSONObject();bizContent.put("out_trade_no", orderDto.getOrderNo());bizContent.put("total_amount", orderDto.getTotalAmount());bizContent.put("subject", orderDto.getProductName());bizContent.put("product_code", "QUICK_WAP_WAY");request.setBizContent(bizContent.toString());AlipayTradeWapPayResponse response = alipayClient.pageExecute(request);if (response.isSuccess()) {System.out.println("調用成功");} else {System.out.println("調用失敗");}return response;}

2：同步觸發不做業務邏輯處理 ，異步觸發做業務邏輯處理

//支付寶異步通知改變訂單狀態@PostMapping("/notify")public String notify(HttpServletRequest request) throws Exception {log.info("異步通知開始");//獲取異步傳來的數據Map<String, String> map = new HashMap<String, String>();Map requestParams = request.getParameterMap();for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext(); ) {String name = (String) iter.next();String[] values = (String[]) requestParams.get(name);String valueStr = "";for (int i = 0; i < values.length; i++) {valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";} // //亂碼解決，這段代碼在出現亂碼時使用 // try { // valueStr = new String(valueStr.getBytes(), "utf-8"); // } catch (UnsupportedEncodingException e) { // e.printStackTrace(); // }map.put(name, valueStr);}System.out.println("支付結果---：" + map.toString());//調用SDK驗證簽名boolean signVerified = false;try {signVerified = AlipaySignature.rsaCheckV1(map, payMent.getAlipayPublicKey(), payMent.getCharset(), payMent.getSignType());} catch (Exception e) {e.printStackTrace();}if (signVerified) {System.out.println("支付結果---：" + map.toString());String trad_no = map.get("out_trade_no");//根據交易流水號查詢交易信息//交易成功if ("TRADE_SUCCESS".equals(map.get("trade_status"))) {//邏輯處理// orderService.updateOrderByOrderNo(trad_no);}return "success";}return "failure";}//支付寶異步通知改變訂單狀態@GetMapping("/PhoneReturn")public ModelAndView PhoneReturn(HttpServletRequest request) throws Exception {log.info("同步驗簽");//獲取異步傳來的數據Map<String, String> map = new HashMap<String, String>();Map requestParams = request.getParameterMap();for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext(); ) {String name = (String) iter.next();String[] values = (String[]) requestParams.get(name);String valueStr = "";for (int i = 0; i < values.length; i++) {valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";}//亂碼解決，這段代碼在出現亂碼時使用。如果mysign和sign不相等也可以使用這段代碼轉化//valueStr = new String(valueStr.getBytes("ISO-8859-1"), "gbk");map.put(name, valueStr);}log.info("支付結果---：" + map.toString());//調用SDK驗證簽名boolean signVerified = false;try {signVerified = AlipaySignature.rsaCheckV1(map, payMent.getAlipayPublicKey(), payMent.getCharset(), payMent.getSignType());} catch (Exception e) {e.printStackTrace();}ModelAndView view = new ModelAndView();RedirectView redirectView = new RedirectView(payMent.getReturnPhoneUrl());redirectView.setExpandUriTemplateVariables(false);redirectView.setExposeModelAttributes(false);view.setView(redirectView);view.addObject("order", "finish");return view;}

總結

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