<?php
include 'phptest.php';
if($_POST["id"]=='admin'){//---------------这句老是报错，错在哪里呢。
echo "123";
}
?>
<script type="text/javascript">
function Check() {
if(myform.code.value==""){
alert("用户名不能为空");
myform.code.focus;
return false;
}
if(myform.password.value==""){
alert("密码不能为空");
myform.password.focus;
return false;
}
}
</script>
<form action="" name="myform" method="post" onsubmit="return Check();">
用户编号:<input type="text" name="id" ><br><br>
用户密码:<input type="password" name ="ps"><br>
<input type="submit" value="登陆" name="sub">
<input type="reset" value="重置" name="res">
</form>
//--------------提示如下：
Notice: Undefined index: id in D:\wamp\apache2.2\htdocs\phptest\test\add.php on line 8
