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:
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<?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 ; } } } ?> |
希望本文所述对大家的php程序设计有所帮助。