<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>武林網-css垂直居中</title>
<script type="text/javascript" language="javascript">
function sel(id) {switch(id) {case "1":document.getElementById("sub").style.lineHeight = "normal";break;case "2":document.getElementById("sub").style.lineHeight = "20px";break;case "3":document.getElementById("sub").style.lineHeight = "28px";break;}}
</script>
<style type="text/css">
#all {
width:240px;
padding:10px;
font-size:12px;
color:#FFF;
background-color:#CCC;
}
#sub {
width:230px;
padding:0 5px;
height:20px;
overflow:hidden;
background-color:#F90;
}
#sel {
margin-top:5px;
}
select {
width:260px;
}
</style>
</head>
<body>
<div id="all">
<div id="sub">一行文字垂直居中，此對象高度為20px</div>
</div>
<div id="sel"><select onchange="sel(this.value)"><option value="1">默認值，設置行高為：normal</option><option value="2">設置行高和對象高度相同：20px</option><option value="3">設置行高比對象的高度大：28px</option></select></div>
</body>
</html>
