php实现的简单检验登陆类
这篇文章主要介绍了php实现的简单检验登陆类,可实现基本的php数据库查询及密码匹配的功能,需要的朋友可以参考下,本文实例讲述了php实现的简单检验登陆类,分享给大家供大家参考,具体如下:
- <?php
- class checklogin
- {
- var $name;
- var $pwd;
- function __construct($username,$password)
- {
- $this->name=$username;
- $this->pwd=$password;
- }
- function checkinput()
- {
- global $db;
- $sql="select * from tb_manager where name='$this->name' and pwd='$this->pwd'";
- $res=$db->query($sql);
- $info=$db->fetch_array($res);
- if($info['name']==$this->name and $info['pwd']==$this->pwd)
- {
- $_SESSION[admin_name]=$info[name];
- $_SESSION[pwd]=$info[pwd];
- echo "<script>alert('登录成功!);window.location.href='index.php';</script>";
- }
- else
- {
- echo "<script language='javascript'>alert('登录失败!');history.back();</script>";
- exit;
- }
- }
- }
- ?>