thinkphp Login Function code

<?php/** * Background Login controller */class loginaction extends action{/** * Login View */Public Function index () {     $this->display ();     Public Function Login () {//if (!is_post) Halt (' page does not exist ');     if (' Code ', ' ', ' MD5 ')! = Session (' verify ') {$this->error (' captcha error ');     } $username = I (' username ');          $pwd = I (' Password ', ' ', ' MD5 ');     $user =m (' member ')->where (Array (' username ' = $username))->find (); if (! $user | | $user [' password ']! = $pwd) {$this->error (' account name or password is incorrect!     ‘);      } if ($user [' Lock ']) $this->error (' Account Locked ');      $data = array (' id ' = = $user [' id '], ' Logintime ' =>time (), ' Loginip ' =>get_client_ip (),//Get IP Address          );      M (' member ')->save ($data);//Update Database contents session (' UID ', $user [' id ']);      Session (' username ', $user [' username ']);      Session (' Logintime ', date (' y-m-d h:i:s ', $user [' Logintime ']));      Session (' Loginip ', $user [' Loginip ']); $this->redirect (' AdmiN/index/index '); /** * * * * * * * * */Public Function verify () {//Make sure GD2 Library opens import (' ORG.        Util.image ');      Image::buildimageverify ("PNG"); }}?>

　　

thinkphp Login Function code