thinkphp Implementing User Login

thinkphp Implementing User Login?//Default URL entry?classIndexactionextendsaction{functionindex () {//Check if the user is logged in    if(isset($_session[' member ']))       //Jump to homepage    Echo' Welcome to index '; Else{     //Jump to login page          Echo"<script>window.location.href= ' index.php/member/login/';</script>"; }} user controller to control user behavior and page jumps? <?PHPclassMemberactionextendsaction{//User Login    functionLogin () {//determine if there are no parameters    if(!isset($_post[' Name ']))     //Show this page    $this-display (); Else{         //Get Parameters    $name=$_post[' Name ']; //Echo $name; Perform login    $memberModel=NewMembermodel (); if($memberModel->login ($name))     {     $_session[' member ']=$name; Echo"<script>window.location.href= '/thinkphp/thinkphp/index.php ';</script>"; }     Else    {     Echo' Fail '; }     }     }   }   ?>User Model classes encapsulate the user's properties and methods? <?PHPclassMembermodelextendsmodel{functionLogin$name)     {         Echo $this->fields[' name ']; $res=$this->query ("select * from Think_member where name= '$name‘"); return $res; }   }   ?>

thinkphp Implementing User Login