支付功能（未实现）

src/main/java/com/bigdata/wxappserver/config/MyWxPayConfig.java

@@ -33,8 +33,10 @@ public class MyWxPayConfig {
         payConfig.setAppId(StringUtils.trimToNull(this.properties.getAppId()));
         payConfig.setMchId(StringUtils.trimToNull(this.properties.getMchId()));
         payConfig.setMchKey(StringUtils.trimToNull(this.properties.getSecret()));
-        payConfig.setKeyPath(StringUtils.trimToNull(this.properties.getPrivateKeyFilePath()));
-
+        payConfig.setApiV3Key(StringUtils.trimToNull(this.properties.getApiV3Key()));
+        payConfig.setPrivateKeyPath(StringUtils.trimToNull(this.properties.getPrivateKeyFilePath()));
+        payConfig.setPrivateCertPath(StringUtils.trimToNull(this.properties.getWeChatPayCertFilePath()));
+        //        payConfig.setPrivateKeyPath();
         // 可以指定是否使用沙箱环境
         payConfig.setUseSandboxEnv(false);
 

src/main/java/com/bigdata/wxappserver/controller/TestController.java

@@ -1,8 +1,9 @@
 package com.bigdata.wxappserver.controller;
 
 import com.bigdata.wxappserver.result.Result;
-import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderV3Request;
 import com.github.binarywang.wxpay.bean.result.WxPayOrderQueryResult;
+import com.github.binarywang.wxpay.bean.result.enums.TradeTypeEnum;
 import com.github.binarywang.wxpay.service.WxPayService;
 
 import lombok.extern.slf4j.Slf4j;
@@ -29,17 +30,20 @@ public class TestController {
     @PostMapping("/unifiedOrder")
     public Result unifiedOrder() throws Exception {
         String orderCode = UUID.randomUUID().toString().replace("-", "");
-        WxPayUnifiedOrderRequest wxPayUnifiedOrderRequest = new WxPayUnifiedOrderRequest();
-        wxPayUnifiedOrderRequest.setBody("测试");
-        wxPayUnifiedOrderRequest.setNotifyUrl("payCallBack");
-        wxPayUnifiedOrderRequest.setOutTradeNo(orderCode);
-        wxPayUnifiedOrderRequest.setOpenid(UUID.randomUUID().toString().replace("-", ""));
-        wxPayUnifiedOrderRequest.setSpbillCreateIp("127.0.0.1");
-        wxPayUnifiedOrderRequest.setSignType("MD5");
-        wxPayUnifiedOrderRequest.setTotalFee(50);
-        wxPayUnifiedOrderRequest.setTradeType("JSAPI");
+        WxPayUnifiedOrderV3Request wxPayUnifiedOrderRequest = new WxPayUnifiedOrderV3Request();
 
-        return Result.success(wxService.unifiedOrder(wxPayUnifiedOrderRequest));
+        wxPayUnifiedOrderRequest.setDescription("商品描述");
+        wxPayUnifiedOrderRequest.setOutTradeNo(orderCode);
+        wxPayUnifiedOrderRequest.setNotifyUrl("https://49.233.248.140:8082/order/loadData");
+
+        WxPayUnifiedOrderV3Request.Amount amount = new WxPayUnifiedOrderV3Request.Amount();
+        amount.setTotal(100); // 订单总金额，单位为分
+        wxPayUnifiedOrderRequest.setAmount(amount);
+        WxPayUnifiedOrderV3Request.Payer payer = new WxPayUnifiedOrderV3Request.Payer();
+        payer.setOpenid(UUID.randomUUID().toString().replace("-", "")); // 需要获取用户的OpenID
+        wxPayUnifiedOrderRequest.setPayer(payer);
+        wxService.createOrderV3(TradeTypeEnum.JSAPI, wxPayUnifiedOrderRequest);
+        return Result.success();
     }
 
     @PostMapping("/queryOrder")

src/main/resources/application.yml

@@ -19,10 +19,9 @@ dx:
     appId: wx865aefa5a7115ae0
     secret: df0817d59696a6160de2770222d8ec53
     mchId: 1684540409
-    mchSerialNo: 250414966CEADA52CF0A989445FB3190C5A82F40
-    privateKeyFilePath: classpath:template/bddf2dc508484b6bb086fe748e813260.pem
+    mchSerialNo: 1E860B81D50719F1AA6AB92F00033A222F81C72C
+    privateKeyFilePath: classpath:template/wechatpay_429733475DFDCEBE2A6135485F984EE337297F4F.pem
     apiV3Key: d5a58d44588b42cbbe01daa5cfa4e792
-    #未填写及以下
     weChatPayCertFilePath: classpath:template/wechatpay_429733475DFDCEBE2A6135485F984EE337297F4F.pem
     notifyUrl: https://www.weixin.qq.com/wxpay/pay.php
     refundNotifyUrl: https://www.weixin.qq.com/wxpay/pay.php