统一多种支付方式创建订单的入参

src/main/java/com/ai/da/controller/PayPalCheckoutController.java

@@ -1,6 +1,7 @@
 package com.ai.da.controller;
 
 import com.ai.da.common.response.Response;
+import com.ai.da.model.dto.ProductPurchaseDTO;
 import com.ai.da.service.PayPalCheckoutService;
 import com.paypal.http.HttpResponse;
 import com.paypal.http.exceptions.SerializeException;
@@ -14,6 +15,7 @@ import javax.annotation.Resource;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import javax.validation.Valid;
 import java.io.IOException;
 import java.util.HashMap;
 
@@ -26,9 +28,9 @@ public class PayPalCheckoutController {
     private PayPalCheckoutService payPalCheckoutService;
 
     @ApiOperation(value = "创建订单")
-    @PostMapping(value = "/trade/{amount}")
-    public Response<HashMap<String, String>> createOrder(@PathVariable Integer amount, @RequestParam String returnUrl, HttpServletRequest request) throws SerializeException {
-        HashMap<String, String> approvalUrl = payPalCheckoutService.createOrder(amount, returnUrl, request);
+    @PostMapping(value = "/trade")
+    public Response<HashMap<String, String>> createOrder(@Valid @RequestBody ProductPurchaseDTO productPurchaseDTO, HttpServletRequest request) throws SerializeException {
+        HashMap<String, String> approvalUrl = payPalCheckoutService.createOrder(productPurchaseDTO, request);
         return Response.success(approvalUrl);
     }