wisdomisite-java/src/main/java/com/zhgd/xmgl/security/JwtAuthenticationEntryPoint.java

package com.zhgd.xmgl.security;

import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Serializable;

/**
 * @program: wisdomSite
 * @description: 认证失败处理类，返回401
 * @author: Mr.Peng
 * @create: 2021-03-05 16:21
 **/
@Slf4j
@Component
public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint, Serializable {
    private static final long serialVersionUID = -8970718410437077606L;

    @Override
    public void commence(HttpServletRequest request,
                         HttpServletResponse response,
                         AuthenticationException authException) throws IOException {
        //验证为未登陆状态会进入此方法，认证错误
        log.info("认证失败：" + authException.getMessage() + "--请求路径：" + request.getRequestURL());
        response.setStatus(401);
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json;charset=UTF-8");
        PrintWriter printWriter = response.getWriter();
        JSONObject resParam = new JSONObject();
        resParam.put("message", authException.getMessage());
        resParam.put("success", false);
        resParam.put("code", "401");
        //printWriter.write(resParam.toJSONString());
        printWriter.println(resParam.toJSONString());
        printWriter.flush();
        printWriter.close();


    }
}