学生信息管理系统

CREATE TABLE students (

id INT AUTO_INCREMENT PRIMARY KEY,

name VARCHAR(255) NOT NULL,

age INT NOT NULL,

gender ENUM('M', 'F') NOT NULL

);

@RestController

public class AuthController {

@Autowired

private UserService userService;

@PostMapping("/login")

public ResponseEntity login(@RequestBody LoginRequest loginRequest) {

User user = userService.findByUsername(loginRequest.getUsername());

if (user == null || !user.getPassword().equals(loginRequest.getPassword())) {

return ResponseEntity.status(HttpStatus.UNAUTHORIZED).build();

}

String token = Jwts.builder()

.setSubject(user.getUsername())

.claim("role", user.getRole())

.setIssuedAt(new Date())

.setExpiration(new Date(System.currentTimeMillis() + 3600 * 1000))

.signWith(SignatureAlgorithm.HS512, "secretkey")

.compact();

return ResponseEntity.ok(new JwtResponse(token));

}

}