$_POST["txt_area"]取textarea控件的值取不到值
hxora 2016-03-20 07:37:48 <html>
<head>
<title></title>
</head>
<body>
<form action="test.php" method="post">
备注:<br />
<textarea name="txt_area"></textarea>
<input type="submit" value="保存">
</form>
</body>
</html>
test.php:
<?php
$intro=$_POST["txt_area"];
echo $intro;
?>
$intro 是空值