[add] #27

build.gradle

@@ -40,6 +40,13 @@ dependencies {
 	runtimeOnly 'com.h2database:h2'
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	annotationProcessor 'org.projectlombok:lombok'
+
+	implementation "org.mapstruct:mapstruct:1.5.5.Final"
+	annotationProcessor "org.mapstruct:mapstruct-processor:1.5.5.Final"
+
+	// If you are using mapstruct in test code
+	testAnnotationProcessor "org.mapstruct:mapstruct-processor:1.5.5.Final"
+
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 

src/main/java/com/lk/paopao/controller/UserController.java

@@ -0,0 +1,23 @@
+package com.lk.paopao.controller;
+
+import com.lk.paopao.dto.UserDto;
+import com.lk.paopao.dto.rest.response.DataResult;
+import com.lk.paopao.dto.rest.response.ResultUtil;
+import com.lk.paopao.service.UserService;
+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.RestController;
+
+@RestController
+@RequestMapping("${app.version}/user")
+public class UserController {
+
+    @Autowired
+    private UserService userService;
+
+    @GetMapping("/info")
+    public DataResult<UserDto> info() {
+        return ResultUtil.ok(userService.info());
+    }
+}

src/main/java/com/lk/paopao/dto/UserDto.java

@@ -0,0 +1,21 @@
+package com.lk.paopao.dto;
+
+
+import lombok.Value;
+
+import java.io.Serializable;
+
+/**
+ * DTO for {@link com.lk.paopao.entity.User}
+ */
+@Value
+public class UserDto implements Serializable {
+    Long id;
+    String nickname;
+    String username;
+    String phone;
+    Byte status;
+    String avatar;
+    Long balance;
+    Boolean isAdmin;
+}

src/main/java/com/lk/paopao/mapper/UserMapper.java

@@ -0,0 +1,17 @@
+package com.lk.paopao.mapper;
+
+import com.lk.paopao.entity.User;
+import com.lk.paopao.dto.UserDto;
+import org.mapstruct.BeanMapping;
+import org.mapstruct.Mapper;
+import org.mapstruct.MappingTarget;
+import org.mapstruct.NullValuePropertyMappingStrategy;
+
+@Mapper(componentModel = "spring")
+public interface UserMapper {
+    User toEntity(UserDto userDto);
+
+    UserDto toDto(User user);
+
+    @BeanMapping(nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)User partialUpdate(UserDto userDto, @MappingTarget User user);
+}

src/main/java/com/lk/paopao/service/AuthService.java

@@ -2,15 +2,18 @@ package com.lk.paopao.service;
 
 import com.lk.paopao.dto.rest.request.RegisterRequest;
 import com.lk.paopao.entity.User;
+import com.lk.paopao.exception.AuthFailedException;
 import com.lk.paopao.exception.ResourceExistedException;
 import com.lk.paopao.repository.UserRepository;
 import com.lk.paopao.security.JwtUtils;
+import jakarta.security.auth.message.AuthException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -83,5 +86,26 @@ public class AuthService {
         return token;
     }
 
+    /**
+     * 获取当前登录的用户详情。
+     * @return 当前登录的UserDetails对象
+     * @throws AuthFailedException 如果无法获取当前用户详情，则抛出异常
+     */
+    public UserDetails getCurrentUserDetails() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        if (authentication.getPrincipal() instanceof UserDetails) {
+            return (UserDetails) authentication.getPrincipal();
+        }
+        throw new AuthFailedException("找不到用户在线信息");
+    }
 
+    /**
+     * 获取当前登录的用户信息。
+     * @return 当前登录的用户信息
+     * @throws AuthFailedException 如果无法获取当前用户信息，则抛出异常
+     */
+    public User getCurrentUser() {
+        // 通过当前用户详情获取用户信息
+        return userRepository.findByUsername(getCurrentUserDetails().getUsername()).orElseThrow(()->new AuthFailedException("找不到用户在线信息"));
+    }
 }

src/main/java/com/lk/paopao/service/UserService.java

@@ -0,0 +1,23 @@
+package com.lk.paopao.service;
+
+import com.lk.paopao.dto.UserDto;
+import com.lk.paopao.mapper.UserMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class UserService {
+    @Autowired
+    private UserMapper userMapper;
+    @Autowired
+    private AuthService authService;
+
+    /**
+     * 获取当前用户的基本信息
+     * @return UserDto 当前用户的数据传输对象
+     */
+    public UserDto info(){
+        return userMapper.toDto(authService.getCurrentUser());
+    }
+
+}