bloggingplatform/Frontend/api/auth/login.js

@RestController
@RequestMapping("/api/auth")
public class AuthController {

    @Autowired
    private UserRepository userRepository;

    @Autowired
    private PasswordEncoder passwordEncoder; // 用于加密密码

    @Autowired
    private JwtUtils jwtUtils; // 用于生成 JWT Token

    @PostMapping("/login")
    public ResponseEntity<Map<String, Object>> login(@RequestBody Map<String, String> credentials) {
        String loginAccount = credentials.get("loginAccount");
        String password = credentials.get("password");

        // 查找用户
        User user = userRepository.findByLoginAccount(loginAccount)
                                  .orElse(null);

        if (user != null && passwordEncoder.matches(password, user.getPassword())) {
            // 登录成功，生成 JWT Token
            String token = jwtUtils.generateToken(user);

            // 返回用户信息和 Token
            Map<String, Object> response = new HashMap<>();
            response.put("success", true);
            response.put("user", user);
            response.put("token", token);

            return ResponseEntity.ok(response);
        } else {
            // 登录失败
            Map<String, Object> response = new HashMap<>();
            response.put("success", false);
            response.put("message", "账号或密码错误");

            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body(response);
        }
    }
}