登录检测

lxw

2023-11-16 668202050b7d4f17ffe2cefcb1dd2fe9ef7ad00b

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

@@ -20,6 +20,7 @@

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
@@ -117,6 +118,7 @@
        }
        //登录成功
        ServletContext servletContext = request.getServletContext();
        //登录成功
        servletContext.setAttribute(uname, request.getSession().getId());
        //Session存储当前用户及权限组列表
        UserInf userDB = (UserInf) subject.getPrincipal();
@@ -170,4 +172,28 @@
        int flag= mapper.update(null,wrapper);
        return new Response().set(1,flag>0,flag>0?"身份变更成功":"身份变更失败");
    }
    //登录检测
    public Response checkUserWebSocket(HttpSession httpSession){
        Response model = new Response();
        try {
            UserInf user = (UserInf) httpSession.getAttribute("user");
            if(user!=null){
                String sessionId = (String) httpSession.getServletContext().getAttribute(user.getUname());
                if(httpSession.getId().equals(sessionId)){
                    model.set(1,user,null);
                }else{
                    model.set(1,false,"不同主机登录");
                    //用户在其他主机登录,强迫用户在本机的session失效
                    httpSession.invalidate();
                }
            }
            else {
                model.set(1,false,"用户信息失效,请重新登录");
            }

        }catch (Exception e){
            model.set(1,false,"登录信息失效,重新登录");
        }
        return model;
    }
}