<script type="text/javascript">
function pr(){
**var $id = prompt("请输入用户", "");**
var $massege = prompt("请输入回复消息","");
var $it="<?php
**$key1="<script>document.writeln($id);</script>";**
$key2="<script>document.writeln($massege);</script>";
**echo"$key1";**
?>";
alert($it);
}
</script>
得不到$key1的值