imgurl/application/controllers/User.php

91 lines
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PHP
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<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class User extends CI_Controller{
//构造函数
public function __construct(){
parent::__construct();
//加载辅助函数
$this->load->helper('basic');
}
//用户登录
public function login(){
//加载基础类
$this->load->library('basic');
//判断用户是否登录
if($this->basic->is_login(FALSE)){
//如果已经登录,则跳转到后台
header("location:/admin/");
}
//加载数据库模型
$this->load->model('query','',TRUE);
//查询站点信息
$siteinfo = $this->query->site_setting('1');
$siteinfo->title = '管理员登录 - '.$siteinfo->title;
//加载登录视图
$this->load->view('user/header',$siteinfo);
$this->load->view('user/login');
$this->load->view('user/footer');
}
//验证用户名、密码是否正确
public function verify(){
//获取用户输入的信息
$user = $this->input->post('user',TRUE);
$pass = $this->input->post('password',TRUE);
$pass = md5($pass.'imgurl');
//加载模型
$this->load->model("query",'',TRUE);
$info = $this->query->userinfo()->values;
$info = json_decode($info);
//获取真正的用户名
$username = $info->username;
$password = $info->password;
if(($user == $username) && ($pass == $password)){
$token = token($username,$password);
//生成COOKIE
setcookie("user", $username, time()+ 7 * 24 * 60 * 60,"/");
setcookie("token", $token, time()+ 7 * 24 * 60 * 60,"/");
//跳转到后台
$data = array(
"code" => 200,
"msg" => '登录成功!'
);
$data = json_encode($data);
echo $data;
exit;
}
else{
$this->err_msg('用户名或密码不正确');
//清除cookie
$this->clean_cookies();
exit;
}
}
public function logout(){
echo '您已退出将在5s后返回首页';
$this->clean_cookies();
header("Refresh:5;url=/");
exit;
}
//清除COOKIE
protected function clean_cookies(){
setcookie("user", '', time()-3600,"/");
setcookie("token", '', time()-3600,"/");
}
//错误消息
protected function err_msg($msg){
$data = array(
"code" => 0,
"msg" => $msg
);
$data = json_encode($data);
echo $data;
}
}
?>