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php登陆权限验证有关问题

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Release: 2016-06-13 12:53:59
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php登陆权限验证问题

本帖最后由 yangyi1234567 于 2013-02-02 20:53:42 编辑
<br />
<?php<br />
	include('config.php');<br />
		$sql="select * from admin where name ='$_SESSION[ui]'";<br />
		$query=mysql_query("$sql");<br />
		$row=mysql_fetch_array($query);<br />
		$uus= is_array($row);<br />
		$pps= $uus ? $_SESSION['shell']==$row['password'] : FALSE;<br />
		if($pps){<br />
		<br />
			echo $_SESSION['ui'];<br />
		<br />
		}else{<br />
			echo "无权限访问";<br />
			exit();<br />
		}<br />
?><br />
Copy after login

在没有session的时候,打开改页面,会出现下面这些错误提示,请问各位大侠,是什么原因造成的
Notice: Undefined index: ui in C:\xampp\htdocs\sousuo\check\check.php on line 14
无权限访问

------解决方案--------------------
没有定义却要输出 所以就有了提示

if(isset($_SESSION['ui']))
echo $_SESSION['ui'];
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