<?php
namespace Model;
class UserModel extends \Core\Model{
 //用户存在返回1,否则返回0
 public function isExists($name){
 $info=$this->select(['user_name'=>$name]);
 return empty($info)?0:1;
 }
 //通过用户名和密码获取用户的信息
 public function getUserByNameAndPwd($name,$pwd){
 $cond=array(
 'user_name' => $name,
 'user_pwd' => md5(md5($pwd).$GLOBALS['config']['app']['key'])
 );
 $info=$this->select($cond);
 if(!empty($info))
 return $info[0];
 return array();
 }
 //更新登陆信息
 public function updateLoginInfo(){
 //更新的信息
 $_SESSION['user']['user_login_ip']= ip2long($_SERVER['REMOTE_ADDR']);
 $_SESSION['user']['user_login_time']=time();
 $_SESSION['user']['user_login_count']=++$_SESSION['user']['user_login_count'] ;
 //实例化模型
 $model=new \Core\Model('user');
 //更新
 return (bool)$model->update($_SESSION['user']);
 }
}