feat:user service中增加获取当前登录用户的方法

src/main/java/com/qyft/gd/system/controller/UserController.java

@@ -6,14 +6,11 @@ import com.qyft.gd.system.common.base.BasePageQuery;
 import com.qyft.gd.system.common.result.PageResult;
 import com.qyft.gd.system.common.result.Result;
 import com.qyft.gd.system.common.result.ResultCode;
-import com.qyft.gd.system.common.utils.JwtUtil;
 import com.qyft.gd.system.model.entity.User;
 import com.qyft.gd.system.service.UserService;
-import io.jsonwebtoken.Claims;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
-import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.*;
@@ -37,12 +34,12 @@ public class UserController {
     @PostMapping("/")
     public Result<String> addUser(@RequestBody User user) {
         User existingUser = userService.findByUsername(user.getUsername());
-        if(existingUser == null) {
+        if (existingUser == null) {
             boolean isSuccess = userService.addUser(user);
             if (isSuccess) {
                 return Result.success();
             }
-        }else{
+        } else {
             return Result.failed(ResultCode.USERNAME_ALREADY_EXISTS);
         }
         return Result.failed();
@@ -50,22 +47,12 @@ public class UserController {
 
     @Operation(summary = "当前用户信息")
     @GetMapping("/current")
-    public Result<User> currentUser(HttpServletRequest request) {
-        String token = (String) request.getAttribute("token");
-        if (token == null || token.isEmpty()) {
-            return Result.failed(ResultCode.ACCESS_TOKEN_INVALID);
-        }
-        try {
-            Claims claims = JwtUtil.parseJWE(token);
-            String username = claims.getSubject();
-            User user = userService.findByUsername(username);
-            if (user == null) {
-                return Result.failed(ResultCode.ACCESS_TOKEN_INVALID);
-            }
-            return Result.success(user);
-        } catch (Exception e) {
+    public Result<User> currentUser() {
+        User user = userService.currentUser();
+        if (user == null) {
             return Result.failed(ResultCode.ACCESS_TOKEN_INVALID);
         }
+        return Result.success(user);
     }
 
     @Operation(summary = "更新用户信息")
@@ -81,7 +68,7 @@ public class UserController {
 
     @Operation(summary = "删除用户")
     @DeleteMapping("/{ids}")
-    public Result<String> deleteUser( @Parameter(description = "用户ID，多个以英文逗号(,)分割") @PathVariable String ids) {
+    public Result<String> deleteUser(@Parameter(description = "用户ID，多个以英文逗号(,)分割") @PathVariable String ids) {
         boolean isSuccess = userService.deleteUser(ids);
         if (isSuccess) {
             return Result.success();

src/main/java/com/qyft/gd/system/service/UserService.java

@@ -16,5 +16,6 @@ public interface UserService extends IService<User> {
 
     boolean deleteUser(String idsStr);
 
+    User currentUser();
 
 }

src/main/java/com/qyft/gd/system/service/impl/UserServiceImpl.java

@@ -1,10 +1,12 @@
 package com.qyft.gd.system.service.impl;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import com.qyft.gd.system.common.enums.DeletedEnum;
+import com.qyft.gd.system.common.utils.JwtUtil;
 import com.qyft.gd.system.mapper.UserMapper;
 import com.qyft.gd.system.model.entity.User;
 import com.qyft.gd.system.service.UserService;
+import io.jsonwebtoken.Claims;
+import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -19,6 +21,8 @@ import java.util.stream.Collectors;
 @RequiredArgsConstructor
 public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {
 
+    private final HttpServletRequest request;
+
     @Override
     public User findByUsername(String username) {
         return this.baseMapper.findByUsername(username);
@@ -42,4 +46,27 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
         return this.removeByIds(ids);
     }
 
+    /**
+     * 获取当前登录用户
+     */
+    @Override
+    public User currentUser() {
+        try {
+            String token = (String) request.getAttribute("token");
+            if (token == null || token.isEmpty()) {
+                return null;
+            }
+            Claims claims = JwtUtil.parseJWE(token);
+            String username = claims.getSubject();
+            User user = findByUsername(username);
+            if (user == null) {
+                return null;
+            }
+            return user;
+        } catch (Exception e) {
+            log.error("获取当前登录用户错误", e);
+            return null;
+        }
+    }
+
 }