云文件系统初始化

src/main/java/com/filesystem/controller/UserController.java

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+package com.filesystem.controller;
+
+import com.filesystem.entity.User;
+import com.filesystem.security.UserPrincipal;
+import com.filesystem.service.UserService;
+import jakarta.annotation.Resource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+@RestController
+@RequestMapping("/api/users")
+public class UserController {
+    
+    @Resource
+    private UserService userService;
+    
+    @Value("${file.storage.path:./uploads}")
+    private String storagePath;
+    
+    /**
+     * 获取所有可用用户（用于文件共享等场景）
+     */
+    @GetMapping
+    public ResponseEntity<?> getAllUsers(@AuthenticationPrincipal UserPrincipal principal) {
+        List<User> users = userService.getAllUsersExcept(principal.getUserId());
+        List<Map<String, Object>> result = users.stream()
+            .filter(u -> u.getStatus() == 1) // 只返回启用状态的用户
+            .map(u -> {
+                Map<String, Object> m = new java.util.HashMap<>();
+                m.put("id", u.getId());
+                m.put("username", u.getUsername());
+                m.put("nickname", u.getNickname() != null ? u.getNickname() : u.getUsername());
+                m.put("avatar", u.getAvatar());
+                m.put("signature", u.getSignature());
+                return m;
+            })
+            .collect(Collectors.toList());
+        return ResponseEntity.ok(Map.of("data", result));
+    }
+    
+    /**
+     * 上传头像
+     */
+    @PostMapping("/avatar")
+    public ResponseEntity<?> uploadAvatar(
+            @AuthenticationPrincipal UserPrincipal principal,
+            @RequestParam("avatar") MultipartFile file) throws IOException {
+        
+        if (file.isEmpty()) {
+            return ResponseEntity.badRequest().body(Map.of("message", "请选择图片"));
+        }
+        
+        // 限制文件大小 2MB
+        if (file.getSize() > 2 * 1024 * 1024) {
+            return ResponseEntity.badRequest().body(Map.of("message", "图片大小不能超过2MB"));
+        }
+        
+        // 保存文件
+        String originalFilename = file.getOriginalFilename();
+        String ext = originalFilename != null && originalFilename.contains(".") 
+            ? originalFilename.substring(originalFilename.lastIndexOf(".")) 
+            : ".jpg";
+        String fileName = UUID.randomUUID().toString() + ext;
+        String datePath = java.time.LocalDateTime.now().format(java.time.format.DateTimeFormatter.ofPattern("yyyy/MM"));
+        
+        // 使用配置文件中的路径 + 日期目录
+        Path uploadPath = Paths.get(storagePath).toAbsolutePath().resolve("avatars").resolve(datePath);
+        if (!Files.exists(uploadPath)) {
+            Files.createDirectories(uploadPath);
+        }
+        
+        Path filePath = uploadPath.resolve(fileName);
+        Files.copy(file.getInputStream(), filePath);
+        
+        // 更新用户头像
+        String avatarUrl = "/api/files/avatar/" + datePath + "/" + fileName;
+        userService.updateAvatar(principal.getUserId(), avatarUrl);
+        
+        return ResponseEntity.ok(Map.of("data", Map.of("url", avatarUrl), "message", "上传成功"));
+    }
+    
+    /**
+     * 获取当前用户信息
+     */
+    @GetMapping("/me")
+    public ResponseEntity<?> getCurrentUser(@AuthenticationPrincipal UserPrincipal principal) {
+        User user = userService.findById(principal.getUserId());
+        Map<String, Object> result = new java.util.HashMap<>();
+        result.put("id", user.getId());
+        result.put("username", user.getUsername());
+        result.put("nickname", user.getNickname());
+        result.put("avatar", user.getAvatar());
+        result.put("signature", user.getSignature());
+        result.put("email", user.getEmail());
+        result.put("phone", user.getPhone());
+        return ResponseEntity.ok(Map.of("data", result));
+    }
+    
+    /**
+     * 更新个人信息
+     */
+    @PutMapping("/profile")
+    public ResponseEntity<?> updateProfile(
+            @AuthenticationPrincipal UserPrincipal principal,
+            @RequestBody Map<String, String> request) {
+        String nickname = request.get("nickname");
+        String signature = request.get("signature");
+        String phone = request.get("phone");
+        String email = request.get("email");
+        userService.updateProfile(principal.getUserId(), nickname, signature, phone, email);
+        return ResponseEntity.ok(Map.of("message", "更新成功"));
+    }
+}