1

src/main/java/com/example/demo/common/ResponseBean.java

@@ -0,0 +1,60 @@
+package com.example.demo.common;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.alibaba.fastjson2.JSONWriter;
+import com.example.demo.entity.constant.RestCode;
+
+public record ResponseBean<T>(int code, T data, String msg) {
+    public static <T> ResponseBean<T> success() {
+        return new ResponseBean<>(RestCode.SUCCESS.getCode(), null, RestCode.SUCCESS.getMsg());
+    }
+
+    public static <T> ResponseBean<T> success(T data) {
+        return new ResponseBean<>(RestCode.SUCCESS.getCode(), data, RestCode.SUCCESS.getMsg());
+    }
+
+    public static <T> ResponseBean<T> success(T data, String msg) {
+        return new ResponseBean<>(RestCode.SUCCESS.getCode(), data, msg);
+    }
+
+    public static <T> ResponseBean<T> success(String msg) {
+        return new ResponseBean<>(RestCode.SUCCESS.getCode(), null, msg);
+    }
+
+    public static <T> ResponseBean<T> failure() {
+        return new ResponseBean<>(RestCode.ERROR.getCode(), null, RestCode.ERROR.getMsg());
+    }
+
+    public static <T> ResponseBean<T> failure(T data) {
+        return new ResponseBean<>(RestCode.ERROR.getCode(), null, RestCode.ERROR.getMsg());
+    }
+
+    public static <T> ResponseBean<T> failure(String msg) {
+        return new ResponseBean<>(RestCode.ERROR.getCode(), null, msg);
+    }
+
+    public static <T> ResponseBean<T> failure(T data, String msg) {
+        return new ResponseBean<>(RestCode.ERROR.getCode(), data, msg);
+    }
+
+
+    public static <T> ResponseBean<T> failure(RestCode code) {
+        return new ResponseBean<>(code.getCode(), null, code.getMsg());
+    }
+
+    public static <T> ResponseBean<T> failure(RestCode code, String msg) {
+        return new ResponseBean<>(code.getCode(), null, msg);
+    }
+
+    public static <T> ResponseBean<T> failure(RestCode code, T data) {
+        return new ResponseBean<>(code.getCode(), data, code.getMsg());
+    }
+
+    public static <T> ResponseBean<T> failure(RestCode code, T data, String msg) {
+        return new ResponseBean<>(code.getCode(), data, msg);
+    }
+
+    public String toJsonString() {
+        return JSONObject.toJSONString(this, JSONWriter.Feature.WriteNulls);
+    }
+}

src/main/java/com/example/demo/controller/ArticleController.java

@@ -0,0 +1,45 @@
+package com.example.demo.controller;
+
+import com.example.demo.common.ResponseBean;
+import com.example.demo.mapper.ArticleMapper;
+import com.example.demo.model.Article;
+import jakarta.annotation.Resource;
+
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/article")
+public class ArticleController {
+    @Resource
+    private ArticleMapper articleMapper;
+
+
+
+    @PostMapping
+    public ResponseBean<Object> addUser(@RequestBody Article article) {
+        int insert = articleMapper.insert(article);
+        return ResponseBean.success(insert);
+    }
+
+    @GetMapping
+    public Article get(@RequestParam Integer id) {
+        return articleMapper.selectById(id);
+    }
+
+
+    @DeleteMapping
+    public ResponseBean<Object> delete(@RequestParam Integer id) {
+        int insert = articleMapper.deleteById(id);
+        return ResponseBean.success(insert);
+    }
+
+    @PutMapping
+    public ResponseBean<Object> updateUser(@RequestBody Article user) {
+
+        int update = articleMapper.updateById(user);
+        return ResponseBean.success(update);
+
+    }
+
+
+}

src/main/java/com/example/demo/controller/UserController.java

@@ -1,44 +0,0 @@
-package com.example.demo.controller;
-
-import com.example.demo.mapper.UserMapper;
-import com.example.demo.model.User;
-import jakarta.annotation.Resource;
-
-import org.springframework.web.bind.annotation.*;
-
-@RestController
-@RequestMapping("/user")
-public class UserController {
-    @Resource
-    private UserMapper userMapper;
-
-
-
-    @PostMapping
-    public String addUser(@RequestBody User user) {
-        int insert = userMapper.insert(user);
-        return String.valueOf(insert);
-    }
-
-    @GetMapping
-    public User get(@RequestParam Integer id) {
-        return userMapper.selectById(id);
-    }
-
-
-    @DeleteMapping
-    public String delete(@RequestParam Integer id) {
-        int insert = userMapper.deleteById(id);
-        return String.valueOf(insert);
-    }
-
-    @PutMapping
-    public String updateUser(@RequestBody User user) {
-
-        int update = userMapper.updateById(user);
-        return String.valueOf(update);
-
-    }
-
-
-}

src/main/java/com/example/demo/entity/ArticleEntity.java

@@ -0,0 +1,20 @@
+package com.example.demo.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+@Data
+@TableName("article")
+public class ArticleEntity {
+    @TableId(value = "id", type = IdType.AUTO)
+    private Integer id;
+    @TableField("title")
+    private String title;
+    @TableField("content")
+    private String content;
+    @TableField("author")
+    private String author;
+}

src/main/java/com/example/demo/entity/constant/RestCode.java

@@ -0,0 +1,15 @@
+package com.example.demo.entity.constant;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+@Getter
+public enum RestCode {
+    SUCCESS(0, "拉取成功"), ERROR(1, "拉取失败"), UNAUTHORIZED(401, "需要登陆");
+    private final int code;
+    private final String msg;
+
+//
+}
+

src/main/java/com/example/demo/mapper/ArticleMapper.java

@@ -1,10 +1,10 @@
 package com.example.demo.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
-import com.example.demo.model.User;
+import com.example.demo.model.Article;
 import org.apache.ibatis.annotations.Mapper;
 
 @Mapper
-public interface UserMapper extends BaseMapper<User> {
+public interface ArticleMapper extends BaseMapper<Article> {
 
 }

src/main/java/com/example/demo/model/Article.java

@@ -4,15 +4,14 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.AllArgsConstructor;
-import lombok.Data;
 import lombok.Getter;
 import lombok.Setter;
 
-@TableName("wenzhang")
+@TableName("article")
 @Setter
 @Getter
 @AllArgsConstructor
-public class User {
+public class Article {
     @TableId(type = IdType.AUTO)
     private Integer id;
     private String title;