huang
2025-05-20 e5b578d2c586ca9f664e31d3759952752255fdd3
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package com.mes.common.handler;
 
import cn.hutool.json.JSONUtil;
import com.mes.utils.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;
 
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
 
@Component
public class LoginFailureHandler implements AuthenticationFailureHandler {
 
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
 
        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream outputStream = response.getOutputStream();
 
        Result result = Result.error("用户名或密码错误");
 
        outputStream.write(JSONUtil.toJsonStr(result).getBytes("UTF-8"));
 
        outputStream.flush();
        outputStream.close();
    }
}