Spring Boot实现分布式验证码登录方案

import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
 
@RestController
public class LoginController {
 
    private final AuthenticationManager authenticationManager;
 
    public LoginController(AuthenticationManager authenticationManager) {
        this.authenticationManager = authenticationManager;
    }
 
    @PostMapping("/api/login")
    public ResponseEntity<?> login(@RequestBody LoginRequest loginRequest) {
        Authentication authenticationToken = new UsernamePasswordAuthenticationToken(
                loginRequest.getUsername(), loginRequest.getPassword());
 
        try {
            Authentication authentication = authenticationManager.authenticate(authenticationToken);
            // 生成并返回JWT令牌
            String jwtToken = TokenUtils.generateToken(authentication);
            return ResponseEntity.ok(new JwtResponse(jwtToken));
        } catch (AuthenticationException e) {
            return ResponseEntity.unauthorized().build();
        }
    }
}

这个简化的代码示例展示了如何在Spring Boot应用程序中实现一个登录端点，它使用了AuthenticationManager来处理登录请求，并生成了一个JWT令牌作为响应。这个例子假设TokenUtils是一个实现生成JWT令牌的工具类，而LoginRequest是一个包含用户名和密码的数据传输对象（DTO）。