checking.php

不错的图书管理系统。简单明了

<?php
if($user_name=="" || $user_password=="")
{
	echo "<p align=center>你的用户信息已经丢失<br>";
	echo "<a href=\"login.htm\" target=\"_top\">请重新登陆</a>";
}
else
{
	//echo $conn;
	$sql="select id from manage where name='".$user_name."' and password='".$user_password."'";
	//echo "<br>".$sql;
	$rs=mysql_query($sql,$conn);
	if(mysql_num_rows($rs)==0)
	{
		echo "<p align=center>你的用户名或密码错误<br>";
		echo "<a href=\"login.htm\" target=\"_top\">请重新登陆</a>";
		exit();
	}	
}
//echo "sjkafa"; 
?>