创建 APIController.java

src/main/java/com/gao/finalhw/controller/APIController.java

@@ -0,0 +1,74 @@
+package com.gao.finalhw.controller;
+
+import com.gao.finalhw.model.Address;
+import com.gao.finalhw.model.Orders;
+import com.gao.finalhw.model.UserInfo;
+import com.gao.finalhw.response.ServerResponseEntity;
+import com.gao.finalhw.service.AddrService;
+import com.gao.finalhw.service.CartService;
+import com.gao.finalhw.service.OrderService;
+import com.gao.finalhw.service.UserInfoService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api")
+public class APIController {
+    @Autowired
+    private CartService cartService;
+    @Autowired
+    private UserInfoService userInfoService;
+    @Autowired
+    private OrderService orderService;
+    @Autowired
+    private AddrService addrService;
+
+
+    @GetMapping("/get_cart_count")
+    public ServerResponseEntity<Integer> getCartCount(@RequestParam("user_id") int userId) {
+        try {
+            int cartCount = cartService.getCartCount(userId);
+            return ServerResponseEntity.success(cartCount);
+        } catch (Exception e) {
+            // 处理异常，例如用户 ID 不存在的情况
+            return ServerResponseEntity.fail("server error");
+        }
+    }
+    @GetMapping("/get_user_info")
+    public ServerResponseEntity<UserInfo> get_userInfo(@RequestParam("user_id") int userId){
+        UserInfo userInfo = userInfoService.getUserInfo(userId);
+        if (userInfo != null){
+            return ServerResponseEntity.success(userInfo);
+        }
+        return ServerResponseEntity.fail("don't query user info by id.");
+    }
+    @GetMapping("/get_order_info")
+    public ServerResponseEntity<Orders> get_OrderInfo(@RequestParam("order_id") int orderId){
+        Orders order = orderService.getOrderInfo(orderId);
+        if (order != null){
+            return ServerResponseEntity.success(order);
+        }
+        return ServerResponseEntity.fail("don't query order info by id.");
+    }
+
+    @GetMapping("/get_order_info/user")
+    public ServerResponseEntity<Orders> get_OrderInfoByUserId(@RequestParam("user_id") int userId){
+        Orders order = orderService.getOrderInfoByUserId(userId);
+        if (order != null){
+            return ServerResponseEntity.success(order);
+        }
+        return ServerResponseEntity.fail("don't query order info by id.");
+    }
+
+    @GetMapping("/get_addr_info")
+    public ServerResponseEntity<Address> get_AddrInfo(@RequestParam("user_id") int userId){
+        Address addressInfo = addrService.getAddrById(userId);
+        if (addressInfo != null){
+            return ServerResponseEntity.success(addressInfo);
+        }
+        return ServerResponseEntity.fail("don't query addr info by id.");
+    }
+}