feat(entity): 添加新实体类并优化现有实体结构

- 新增 ItemCategories、ItemComments、ItemFavorites、ItemImages、ItemLikes、ItemOffers、Orders、Role 和 UserRole 实体类
- 优化现有实体类 Deliveries 和 Items 的字段命名
- 更新 ProductController 中的方法参数

trading_platform/src/main/java/com/trading_platform/controller/ProductController.java

@@ -2,10 +2,7 @@ package com.trading_platform.controller;
 
 import com.trading_platform.entity.Result;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.DeleteMapping;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 /**
  * ProductController类负责处理与商品相关的HTTP请求
@@ -30,21 +27,21 @@ public class ProductController {
 
     //获取商品详情
     @GetMapping("/detail/{id}")
-    public Result detail() {
+    public Result detail(@PathVariable String id) {
         return Result.success();
 
     }
 
     //删除商品
     @DeleteMapping("/delete/{id}")
-    public Result delete() {
+    public Result delete(@PathVariable String id) {
         return Result.success();
 
     }
 
     //更新商品信息
     @PostMapping("/update/{id}")
-    public Result update() {
+    public Result update(@PathVariable String id) {
         return Result.success();
 
     }

trading_platform/src/main/java/com/trading_platform/entity/Deliveries.java

@@ -4,9 +4,10 @@ import lombok.Data;
 
 @Data
 public class Deliveries {
-    private int delivery_id;
-    private int order_id;
-    private int delivery_person_id;
-    private String  delivery_status ;
-    private String delivery_at;
+    //快递员表
+    private int delivery_id;//配送id
+    private int order_id;//订单id
+    private int delivery_person_id;//配送员id
+    private String  delivery_status ;//配送状态
+    private String delivery_at;//配送时间
 }

trading_platform/src/main/java/com/trading_platform/entity/ItemCategories.java

@@ -0,0 +1,10 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class ItemCategories {
+    //商品类别表
+    private int categoryId;//商品类别id
+    private String categoryName;//商品类别名称
+}

trading_platform/src/main/java/com/trading_platform/entity/ItemComments.java

@@ -0,0 +1,13 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class ItemComments {
+    //商品评论表
+    private int commentId;//评论id
+    private int userId;//用户id
+    private int itemId;//商品id
+    private String content;//评论内容
+    private String commentAt;//评论时间
+}

trading_platform/src/main/java/com/trading_platform/entity/ItemFavorites.java

@@ -0,0 +1,12 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class ItemFavorites {
+    // 商品收藏表
+    private int favoriteId;// 收藏ID
+    private int userId;// 用户ID
+    private int itemId;// 商品ID
+    private String createAt;// 收藏时间
+}

trading_platform/src/main/java/com/trading_platform/entity/ItemImages.java

@@ -0,0 +1,12 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class ItemImages {
+    //商品图片表
+    private int imageId;//图片ID
+    private int itemId;//商品ID
+    private String imagePath;//图片路径
+    private String createAt;//创建时间
+}

trading_platform/src/main/java/com/trading_platform/entity/ItemLikes.java

@@ -0,0 +1,12 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class ItemLikes {
+    //商品点赞表
+    private int likeId;//点赞ID
+    private int userId;//用户ID
+    private int itemId;//商品ID
+    private String createAt;///点赞时间
+}

trading_platform/src/main/java/com/trading_platform/entity/ItemOffers.java

@@ -0,0 +1,13 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class ItemOffers {
+    //商品下架表
+    private int offerId;//下架ID
+    private int userId;//卖家ID
+    private int itemId;//商品ID
+    private String reason;//原因
+    private String createAt;//创建时间
+}

trading_platform/src/main/java/com/trading_platform/entity/Items.java

@@ -4,13 +4,14 @@ import lombok.Data;
 
 @Data
 public class Items {
-    private int item_id;
-    private int user_id;
-    private String item_name;
-    private String description;
-    private int category_id;
-    private double price;
-    private String status;
-    private String create_at;
-    private String update_at;
+    //商品表
+    private int itemId;//商品ID
+    private int userId;//用户ID
+    private String itemName;//商品名称
+    private String description;//商品描述
+    private int categoryId;//商品分类ID
+    private double price;//商品价格
+    private String status;//商品状态
+    private String createAt;//创建时间
+    private String updateAt;///更新时间
 }

trading_platform/src/main/java/com/trading_platform/entity/Orders.java

@@ -0,0 +1,17 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class Orders {
+    // 订单表
+    private int orderId;// 订单ID
+    private int buyerId;// 买家ID
+    private int itemId;// 商品ID
+    private int sellId;// 卖家ID
+    private String address;// 地址
+    private double totalAmount;// 总价
+    private String status;// 订单状态
+    private String createAt;// 创建时间
+    private String updateAt;// 更新时间
+}

trading_platform/src/main/java/com/trading_platform/entity/Role.java

@@ -0,0 +1,14 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class Role {
+    // 角色权限表
+    private int roleId;// 角色ID
+    private String roleName;// 角色名称
+    private String remark;// 备注
+    private String status;// 状态
+    private String createTime;// 创建时间
+    private String updateTime;// 更新时间
+}

trading_platform/src/main/java/com/trading_platform/entity/UserRole.java

@@ -0,0 +1,10 @@
+package com.trading_platform.entity;
+
+import lombok.Data;
+
+@Data
+public class UserRole {
+    // 用户角色表
+    private int userId;// 用户ID
+    private int roleId;// 角色ID
+}

trading_platform/src/main/java/com/trading_platform/entity/Users.java

@@ -4,7 +4,8 @@ import lombok.Data;
 
 @Data
 public class Users {
-    private int userId;             // 用户id
+    // 用户表
+    private int userId;             // 用户ID
     private String headPicUrl;      // 用户头像
     private String nickName;        // 用户昵称
     private String username;        // 用户名