update basic function

whycxzp

2020-12-16 0f4c5190746db28618ab0f35e65be41ef8fc78ed

 src/main/java/com/whyc/service/UserService.java

File was renamed from src/main/java/com/yckj/service/UserService.java
@@ -1,29 +1,21 @@
package com.yckj.service;
package com.whyc.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.ArrayUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.sun.deploy.util.ArrayUtil;
import com.yckj.dto.UserLoginInfo;
import com.yckj.mapper.UserMapper;
import com.yckj.pojo.User;
import com.whyc.dto.UserLoginInfo;
import com.whyc.mapper.UserMapper;
import com.whyc.pojo.User;
import lombok.extern.slf4j.Slf4j;
import org.assertj.core.util.Arrays;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Service;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.annotation.Resource;
import javax.servlet.ServletContext;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

@@ -87,16 +79,16 @@

            //servletContext中存储用户信息
            ServletContext servletContext = request.getServletContext();
           List<UserLoginInfo> users = (List<UserLoginInfo>) servletContext.getAttribute("users");
            if(users==null){
           Map<String,UserLoginInfo> userMap = (Map<String, UserLoginInfo>) servletContext.getAttribute("users");
            if(userMap==null){
                log.info("servletContext首次存值");
                users = new LinkedList<>();
                users.add(new UserLoginInfo(username,timestamp));
                servletContext.setAttribute("users",users);
                userMap = new HashMap<>();
                userMap.put(username,new UserLoginInfo(username,timestamp));
                servletContext.setAttribute("users",userMap);
            }else{
                log.info("servletContext已经有值");
                users.add(new UserLoginInfo(username,timestamp));
                servletContext.setAttribute("users",users);
                userMap.put(username,new UserLoginInfo(username,timestamp));
                servletContext.setAttribute("users",userMap);
            }
        }
        return flag;
@@ -111,16 +103,18 @@
        User user = (User) session.getAttribute("user");
        Long timestamp = (Long) session.getAttribute("timestamp");

        List<UserLoginInfo> users = (List<UserLoginInfo>) servletContext.getAttribute("users");
        if(user==null){
            return false;
        }
        Map<String,UserLoginInfo> userMap = (Map<String, UserLoginInfo>) servletContext.getAttribute("users");

        for (UserLoginInfo temp:users){
            if(temp.getUsername().equals(user.getUsername()) && temp.getTimestamp()==timestamp){
        UserLoginInfo userLoginInfo = userMap.get(user.getUsername());
        if(userLoginInfo.getUsername().equals(user.getUsername()) && userLoginInfo.getTimestamp().compareTo(timestamp)==0){
                //说明没有从其他地方登录
            }else{
                //说明从其他地方登录了,当前用户的session清除
                flag = true;
                session.invalidate();
            }
        }
        return flag;
    }