在線求回答PHP，不要直接存取超全域$_GET陣列怎麼解決
<body onselectstart="return false">
<!--==============================
header
=================================-->
<header id="home" class="page">
<div class="navigation single-page-nav">
<div class="container_12">
<div class="grid_12">
<h1 class="logo">
<img src ="images/logo.png" style="width:120px;height:90px;left: 0;top:0;position:absolute"/>
</h1>
<nav>
<ul>
<li><a href="#home" class="current">发现音乐</a></li>
<li><?php echo '<a href=mysong.php?user='.$_GET['name']."&class=".$_GET['class'].'>我的音乐</a>';?></li>
<?php if (isset($_GET['name'])) {
echo '<li><a href="index.php">退出</a></li>';
} else {
echo '<li><a href="index.php">登录</a></li>';
}
?>
<?php
if ($_GET['class'] == '3') {
echo '<li><a href="//music.163.com/?user=' . $_GET['name'] . '">下载</a></li>';
} else {
echo '<li><a href="" onclick="y()">下载</a></li>';
}
?>
<li><form action=<?php echo "play/search.php";?> name="search" method="get">
<table border="0" align="center" cellpadding="0" cellspacing="0" class="tab_search">
<tr>
<td>
<input type="text" name="searchin" title="Search" class="searchinput" id="searchinput" value="春风十里" size="10"/>
</td>
<td>
<input type="image" width="21" height="17" class="searchaction" onclick="document.forms['search'].searchinput.value='';" alt="Search" src="images/magglass.gif" border="0" hspace="2"/>
</td>
</tr>
</table>
</form>
</li>
<li><?php echo '<a href=mysong.php?user='.$_GET['name'].'>用户：'.$_GET['name'].'</a>';?></li>
</ul>
</nav>
</div>
</div>
</div>
</header>
<!--=====================
Content
======================-->
<div class="ic"></div>
<section id="portfolio" class="page">
</section>
<section id="portfolio2" class="page">
<ul class="m_list">
<li><a href=<?php echo"list.php?a=1"."&class=".$_GET['class']."&name=".$_GET['name']."&b=".$_GET['b']; ?> >内地榜</a></li>
<li><a href=<?php echo"list.php?a=2"."&class=".$_GET['class']."&name=".$_GET['name']."&b=".$_GET['b']; ?> >欧美榜</a></li>
<li><a href=<?php echo"list.php?a=3"."&class=".$_GET['class']."&name=".$_GET['name']."&b=".$_GET['b']; ?> >日语榜</a></li>
<li><a href=<?php echo"list.php?a=4"."&class=".$_GET['class']."&name=".$_GET['name']."&b=".$_GET['b']; ?> >韩语榜</a></li>
</ul>
<ul class="s_list">
<li></li>
<li><a href="#" >入驻歌手</a></li>
<li></li>
</ul>
<ul class="h_list">
<li><a href=<?php echo"list.php?b=1"."&class=".$_GET['class']."&name=".$_GET['name']."&a=".$_GET['a']; ?> >热门</a></li>
<li><a href=<?php echo"list.php?b=2"."&class=".$_GET['class']."&name=".$_GET['name']."&a=".$_GET['a']; ?> >流行</a></li>
<li><a href=<?php echo"list.php?b=3"."&class=".$_GET['class']."&name=".$_GET['name']."&a=".$_GET['a']; ?> >摇滚</a></li>
<li><a href=<?php echo"list.php?b=4"."&class=".$_GET['class']."&name=".$_GET['name']."&a=".$_GET['a']; ?> >电子</a></li>
</ul>
</section>
#
