JSP code implements a simple login operation and verifies the active time of the account inactivity

<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "    pageencoding=" UTF-8 "%><! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd" >
 <%@ page language= "java" contenttype= "text/html; charset=utf-8"  pageencoding
    = "UTF-8"%><! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd" > String name  =request.getparameter (" UserName " =new  Cookie ("User" ,name)    ; Newcookie.setmaxage ( 10); //  valid for 20 seconds      Response.addcookie (Newcookie);    Response.sendredirect ( "welcome.jsp" %></body>
<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "pageencoding= "UTF-8"%><! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd" >cookie[] Cookies=request.getcookies (); String name=NULL; if(cookies!=NULL){         for(inti=0;i<cookies.length;i++){            if(Cookies[i].getname (). Equals ("User") ) {Name=Cookies[i].getvalue (); }        }    }Else{response.sendredirect ("Login.jsp"); }        if(name==NULL) {Response.sendredirect ("Login.jsp"); } out.print (Hello "+name+" Welcome to you.); %> </body>
JSP code implements a simple login operation and verifies the active time of the account inactivity