集成支付宝支付功能

新增支付宝支付控制器中的异步通知处理，并添加必要的依赖项。实现基本的支付通知逻辑，以便接收和验证支付宝的支付回调。

- 在`PaymentController`中添加处理支付宝支付通知的方法。
- 引入`alipay-easysdk`依赖项以支持支付宝支付功能。
- 实现支付回调的基本日志记录和参数处理。
- 注释和文档无重大变化，保持清晰。

pom.xml

@@ -17,6 +17,16 @@
 
     <dependencies>
 
+
+
+        <!--引入支付宝支付 -->
+        <dependency>
+            <groupId>com.alipay.sdk</groupId>
+            <artifactId>alipay-easysdk</artifactId>
+            <version>2.2.1</version>
+        </dependency>
+
+
         <dependency>
             <groupId>com.alipay.sdk</groupId>
             <artifactId>alipay-sdk-java</artifactId>

src/main/java/com/muyu/system/controller/PaymentController.java

@@ -6,16 +6,21 @@ import com.alipay.api.AlipayClient;
 import com.alipay.api.DefaultAlipayClient;
 import com.alipay.api.request.AlipayTradePagePayRequest;
 import com.alipay.api.response.AlipayTradePagePayResponse;
+import com.alipay.easysdk.factory.Factory;
 import com.muyu.common.core.domain.Result;
 import com.muyu.common.system.domain.PaymentParam;
 import com.muyu.config.util.SfUtil;
 import com.muyu.config.util.StandingRes;
 import com.muyu.system.service.SysUserService;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.servlet.http.HttpServletRequest;
 import jakarta.validation.Valid;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.HashMap;
+import java.util.Map;
+
 /**
  * @Author: wangxinyuan
  * @Date: 2024/8/25 下午3:21
@@ -77,6 +82,38 @@ public class PaymentController {
         return Result.success(response.getBody());
     }
 
+
+    @PostMapping("/notify")  // 注意这里必须是POST接口
+    public String payNotify(HttpServletRequest request) throws Exception {
+        if (request.getParameter("trade_status").equals("TRADE_SUCCESS")) {
+            System.out.println("=========支付宝异步回调========");
+
+            Map<String, String> params = new HashMap<>();
+            Map<String, String[]> requestParams = request.getParameterMap();
+            for (String name : requestParams.keySet()) {
+                params.put(name, request.getParameter(name));
+                // System.out.println(name + " = " + request.getParameter(name));
+            }
+
+            String tradeNo = params.get("out_trade_no");
+            String gmtPayment = params.get("gmt_payment");
+            String alipayTradeNo = params.get("trade_no");
+            // 支付宝验签
+            if (Factory.Payment.Common().verifyNotify(params)) {
+                // 验签通过
+                System.out.println("交易名称: " + params.get("subject"));
+                System.out.println("交易状态: " + params.get("trade_status"));
+                System.out.println("支付宝交易凭证号: " + params.get("trade_no"));
+                System.out.println("商户订单号: " + params.get("out_trade_no"));
+                System.out.println("交易金额: " + params.get("total_amount"));
+                System.out.println("买家在支付宝唯一id: " + params.get("buyer_id"));
+                System.out.println("买家付款时间: " + params.get("gmt_payment"));
+                System.out.println("买家付款金额: " + params.get("buyer_pay_amount"));
+            }
+        }
+        return "success";
+    }
+
     @Autowired
     private SysUserService userService;
     //TODO 充值记录添加