fix

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

@@ -0,0 +1,24 @@
+package com.example.demo.controller;
+
+import com.example.demo.entity.News;
+import com.example.demo.service.NewsService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class NewsController {
+    private final NewsService newsService;
+
+    @Autowired
+    public NewsController(NewsService newsService) {
+        this.newsService = newsService;
+    }
+
+    @GetMapping("/news")
+    public List<News> getAllNews() {
+        return newsService.getAllNews();
+    }
+}

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

@@ -0,0 +1,24 @@
+package com.example.demo.controller;
+
+import com.example.demo.entity.User;
+import com.example.demo.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class UserController {
+    private final UserService userService;
+
+    @Autowired
+    public UserController(UserService userService) {
+        this.userService = userService;
+    }
+
+    @GetMapping("/users")
+    public List<User> getAllUser() {
+        return userService.getAllUsers();
+    }
+}

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

@@ -1,17 +1,32 @@
-package com.example.demo.models;
+package com.example.demo.entity;
 
+import com.baomidou.mybatisplus.annotation.*;
 import lombok.Data;
 
 import java.sql.Timestamp;
 
 @Data
+@TableName("news")
 public class News {
+    @TableId(value = "ID", type = IdType.AUTO)
     private Integer id;
+
+    @TableField(value = "TITLE")
     private String title;
+
+    @TableField(value = "EXCERPT")
     private String excerpt;
+
+    @TableField(value = "CREATE_TIME", fill = FieldFill.UPDATE)
     private Timestamp create_time;
+
+    @TableField(value = "UPDATE_TIME", fill = FieldFill.INSERT)
     private Timestamp update_time;
+
+    @TableField(value = "IS_DELETE")
     private Boolean is_delete;
+
+    @TableField(value = "EXT")
     private String ext;
 
     public News() {

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

@@ -0,0 +1,32 @@
+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;
+
+import java.sql.Date;
+
+@Data
+@TableName("users")
+public class User {
+    @TableId(value = "id", type = IdType.AUTO)
+    private Integer id;
+    @TableField(value = "user_account")
+    private String user_account;
+    @TableField(value = "user_name")
+    private String user_name;
+    @TableField(value = "password")
+    private String password;
+    @TableField(value = "email")
+    private String email;
+    @TableField(value = "mobile")
+    private String mobile;
+    @TableField(value = "status")
+    private String status;
+    @TableField(value = "create_time")
+    private Date create_time;
+    @TableField(value = "update_time")
+    private Date update_time;
+}

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

@@ -1,7 +1,7 @@
 package com.example.demo.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
-import com.example.demo.models.News;
+import com.example.demo.entity.News;
 
-public interface newsMapper extends BaseMapper<News> {
+public interface NewsMapper extends BaseMapper<News> {
 }

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

@@ -0,0 +1,8 @@
+package com.example.demo.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.demo.entity.User;
+import org.mybatis.spring.annotation.MapperScan;
+
+public interface UserMapper extends BaseMapper<User> {
+}

src/main/java/com/example/demo/service/NewsService.java

@@ -0,0 +1,10 @@
+package com.example.demo.service;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.example.demo.entity.News;
+
+import java.util.List;
+
+public interface NewsService extends IService<News> {
+    List<News> getAllNews();
+    News getNewsById(Integer id);
+}

src/main/java/com/example/demo/service/UserService.java

@@ -0,0 +1,9 @@
+package com.example.demo.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.example.demo.entity.User;
+import java.util.List;
+
+public interface UserService extends IService<User> {
+    List<User> getAllUsers();
+}

src/main/java/com/example/demo/service/impl/NewsServiceImpl.java

@@ -0,0 +1,22 @@
+package com.example.demo.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.example.demo.entity.News;
+import com.example.demo.mapper.NewsMapper;
+import com.example.demo.service.NewsService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class NewsServiceImpl extends ServiceImpl<NewsMapper, News> implements NewsService {
+    @Override
+    public List<News> getAllNews() {
+        return list();
+    }
+
+    @Override
+    public News getNewsById(Integer id) {
+        return getById(id);
+    }
+}

src/main/java/com/example/demo/service/impl/UserServiceImpl.java

@@ -0,0 +1,18 @@
+package com.example.demo.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.example.demo.entity.User;
+import com.example.demo.mapper.UserMapper;
+import com.example.demo.service.UserService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {
+
+    @Override
+    public List<User> getAllUsers() {
+        return list();
+    }
+}

src/test/java/com/example/demo/MybatisPlusTests.java

@@ -1,13 +1,12 @@
 package com.example.demo;
 
 import com.baomidou.mybatisplus.test.autoconfigure.MybatisPlusTest;
-import com.example.demo.mapper.newsMapper;
+import com.example.demo.mapper.NewsMapper;
-import com.example.demo.models.News;
+import com.example.demo.entity.News;
 import org.junit.jupiter.api.Test;
 import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
-import org.springframework.test.annotation.Rollback;
 import org.springframework.transaction.annotation.Transactional;
 
 
@@ -17,14 +16,14 @@ import org.springframework.transaction.annotation.Transactional;
 public class MybatisPlusTests {
 
     @Autowired
-    private newsMapper newsMapper;
+    private NewsMapper newsMapper;
 
     @Test
     @Transactional
     public void insert() {
         News user = new News("test333", "test");
         int insert = newsMapper.insert(user);
-        System.out.println("受影响行数" + insert);
+        System.out.println("影响的行数" + insert);
         System.out.println(user.getId());
     }
 }