Interceptor.java
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package vion.interceptor;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.lang.Opt;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.slf4j.MDC;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import vion.Global;
import vion.enums.ResultEnum;
import vion.model.User;
import vion.service.IUserSerrvice;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
import java.util.Date;
import java.util.List;
import java.util.concurrent.TimeUnit;
public class Interceptor extends HandlerInterceptorAdapter {
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
String url = request.getRequestURI();
System.out.println("拦截器");
if(url.indexOf("login") >= 0){
return true;
}
User user= Global.USERNAME_MAP.get(request.getHeader("userid"));
if(user==null){
response.reset();
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json;charset=UTF-8");
PrintWriter pw = response.getWriter();
JSONObject jsonObject = new JSONObject();
jsonObject.put("msg_code", ResultEnum.ATOKEN_ERROR.getCode());
jsonObject.put("msg_info", "请先登陆再访问！");
pw.write(JSON.toJSONString(jsonObject));
pw.flush();
pw.close();
return false;
}
request.setAttribute("userid", user.getUserid());
request.setAttribute("start", System.currentTimeMillis());
return super.preHandle(request, response, handler);
}
}