统一多种支付方式创建订单的入参

src/main/java/com/ai/da/service/PayPalCheckoutService.java

@@ -1,5 +1,6 @@
 package com.ai.da.service;
 
+import com.ai.da.model.dto.ProductPurchaseDTO;
 import com.paypal.http.exceptions.SerializeException;
 import com.paypal.orders.Order;
 
@@ -8,11 +9,10 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.util.HashMap;
-import java.util.Map;
 
 public interface PayPalCheckoutService {
 
-    HashMap<String, String> createOrder(Integer amount,String returnUrl, HttpServletRequest request) throws SerializeException;
+    HashMap<String, String> createOrder(ProductPurchaseDTO productPurchaseDTO, HttpServletRequest request) throws SerializeException;
 
 //    String callback(@SuppressWarnings("rawtypes") Map map);