div模拟textarea以实现高度自适应（去掉默认的@ mailto）
每天积累一点点 2011-08-31
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/>
<title>div模拟textarea</title>
<linkrel="stylesheet"href="../css/demo.css"type="text/css"/>
<linkrel="stylesheet"href="../css/hl.css"type="text/css"/>
<style>
.test_boxp{
margin:0;
}
.test_box{
width:400px;
min-height:120px;
_height:120px;
max-height:300px;
margin-left:auto;
margin-right:auto;
padding:3px;
outline:0;
border:1pxsolid#a0b3d6;
font-size:12px;
word-wrap:break-word;
overflow-x:hidden;
overflow-y:auto;
_overflow-y:visible;
}
.test_boxa{
text-decoration:none;
color:#000;
}
.test_box:focus{
-moz-box-shadow:006pxrgba(0,100,255,.45);
-webkit-box-shadow:006pxrgba(0,100,255,.45);
box-shadow:006pxrgba(0,100,255,.45);
border-color:#34538b;
}
</style>
<scripttype="text/javascript"src="jquery-1.4.2.min.js"></script>
<scripttype="text/javascript">
$(function(){
$(".test_box").keyup(function(){$(this).html($(this).text())})
$(".aa").click(function(){alert($(".test_box").html())})
})
</script>
</head>
<body>
<divid="main">
<h1>div模拟textarea以实现高度自适应实例页面</h1>
<divid="body"class="light">
<divid="content"class="show">
<divclass="demo">
<divid="testBox"class="test_box"contenteditable="true"></div>
</div>
</div>
</div>
</div>
<inputtype="button"value="按钮"class="aa"/>
</body>
</html>
