🔄Update: 创建 users 相关模块

.gitignore

@@ -1,2 +1,2 @@
 .idea
-.target
+/target

pom.xml

@@ -52,5 +52,12 @@
             <artifactId>lombok</artifactId>
             <scope>provided</scope>
         </dependency>
+
+        <dependency>
+            <groupId>com.github.xiaoymin</groupId>
+            <artifactId>knife4j-openapi3-jakarta-spring-boot-starter</artifactId>
+            <version>4.4.0</version>
+        </dependency>
+
     </dependencies>
 </project>

src/main/java/cn/hezhaohui/pc/controller/UserController.java

@@ -0,0 +1,50 @@
+package cn.hezhaohui.pc.controller;
+
+import cn.hezhaohui.pc.entity.User;
+import cn.hezhaohui.pc.service.UserService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/users")
+@Tag(name = "用户")
+public class UserController {
+    @Resource
+    private UserService userService;
+
+    @GetMapping
+    @Operation(summary = "列出所有用户")
+    public List<User> listAll() {
+        return userService.listAll();
+    }
+
+    @GetMapping("/{id}")
+    @Operation(summary = "通过id查找用户")
+    public User getById(@PathVariable Long id) {
+        return userService.getById(id);
+    }
+
+    @PostMapping
+    @Operation(summary = "创建用户")
+    public void saveUser(@RequestBody User user) {
+        userService.saveUser(user);
+    }
+
+    @PutMapping
+    @Operation(summary = "更新用户")
+    public void updateUser(@RequestBody User user) {
+        userService.updateUser(user);
+    }
+
+    @DeleteMapping("/{id}")
+    public void deleteUser(@PathVariable Long id) {
+        userService.deleteUser(id);
+    }
+
+
+
+}

src/main/java/cn/hezhaohui/pc/entity/User.java

@@ -0,0 +1,19 @@
+package cn.hezhaohui.pc.entity;
+
+import com.baomidou.mybatisplus.annotation.*;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+@TableName("users")
+public class User {
+    @TableId(type = IdType.AUTO)
+    private Long id;
+    private String username;
+    private String password;
+    @TableField(fill = FieldFill.INSERT)
+    private LocalDateTime createdAt;
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updatedAt;
+}

src/main/java/cn/hezhaohui/pc/mapper/UserMapper.java

@@ -0,0 +1,9 @@
+package cn.hezhaohui.pc.mapper;
+
+import cn.hezhaohui.pc.entity.User;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface UserMapper extends BaseMapper<User> {
+}

src/main/java/cn/hezhaohui/pc/service/UserService.java

@@ -0,0 +1,14 @@
+package cn.hezhaohui.pc.service;
+
+import cn.hezhaohui.pc.entity.User;
+
+import java.util.List;
+
+public interface UserService {
+    List<User> listAll();
+    User getById(Long id);
+    void saveUser(User user);
+    void updateUser(User user);
+    void deleteUser(Long id);
+
+}

src/main/java/cn/hezhaohui/pc/service/impl/UserServiceImpl.java

@@ -0,0 +1,46 @@
+package cn.hezhaohui.pc.service.impl;
+
+import cn.hezhaohui.pc.entity.User;
+import cn.hezhaohui.pc.mapper.UserMapper;
+import cn.hezhaohui.pc.service.UserService;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Service
+public class UserServiceImpl implements UserService {
+    @Resource
+    private UserMapper userMapper;
+
+    @Override
+    public List<User> listAll() {
+        return userMapper.selectList(null);
+    }
+
+    @Override
+    public User getById(Long id) {
+        return userMapper.selectById(id);
+    }
+
+    @Override
+    public void saveUser(User user) {
+        LocalDateTime now = LocalDateTime.now();
+        user.setCreatedAt(now);
+        user.setUpdatedAt(now);
+        userMapper.insert(user);
+    }
+
+    @Override
+    public void updateUser(User user) {
+        LocalDateTime now = LocalDateTime.now();
+        user.setUpdatedAt(now);
+        userMapper.updateById(user);
+    }
+
+    @Override
+    public void deleteUser(Long id) {
+        userMapper.deleteById(id);
+    }
+}

src/main/resources/application.yml

@@ -3,4 +3,23 @@ spring:
     driver-class-name: com.mysql.cj.jdbc.Driver
     username: root
     password: dn293830
-    url: jdbc:mysql://47.121.181.112:3306/pc
+    url: jdbc:mysql://47.121.181.112:3306/pc
+
+
+# springdoc-openapi项目配置
+springdoc:
+  swagger-ui:
+    path: /swagger-ui.html
+    tags-sorter: alpha
+    operations-sorter: alpha
+  api-docs:
+    path: /v3/api-docs
+  group-configs:
+    - group: 'default'
+      paths-to-match: '/**'
+      packages-to-scan: cn.hezhaohui.pc.controller
+# knife4j的增强配置，不需要增强可以不配
+knife4j:
+  enable: true
+  setting:
+    language: zh_cn