<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
textarea{
width: 500px;
height: 300px;
}
</style>
</head>
<body>
<textarea></textarea>
</body>
</html>
原文：http://www.cnblogs.com/hduhdc/p/5232187.html