1、接入paypal

2、修改支付宝支付

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

@@ -0,0 +1,29 @@
+package com.ai.da.service;
+
+import com.paypal.http.exceptions.SerializeException;
+import com.paypal.orders.Order;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+public interface PayPalCheckoutService {
+
+    HashMap<String, String> createOrder(Long productId,String returnUrl) throws SerializeException;
+    /**
+     * 回调
+     * @param map
+     */
+    String callback(@SuppressWarnings("rawtypes") Map map);
+
+    String queryOrder(String orderNo) throws SerializeException;
+
+    Order captureOrder(String orderId) throws IOException;
+
+    Boolean refundOrder(String orderId, String reason) throws IOException;
+
+    String getOAuth();
+
+    void processOrder(String orderId);
+}
+