wlyy2.0/svr/svr-demo/src/main/java/com/yihu/jw/config/BaseAuthenticationFailureHandler.java

package com.yihu.jw.config;

import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by chenweida on 2017/11/29.
 * 认证失败之后的处理
 */
@Component
public class BaseAuthenticationFailureHandler extends SimpleUrlAuthenticationFailureHandler {

    private ObjectMapper objectMapper=new ObjectMapper();
    @Override
    public void onAuthenticationFailure(HttpServletRequest request,
                                        HttpServletResponse response,
                                        AuthenticationException authenticationException) throws IOException, ServletException {

        System.out.println("认证失败");
        response.setContentType("application/json;charset=UTF-8");
        response.getWriter().write(objectMapper.writeValueAsString(authenticationException));
    }
}