样式表的创建和规则获取示例
<!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=utf-8" />
<title>样式表的创建和规则获取示例</title>
<link rel="stylesheet" type="text/css" href="ext-4.2.1/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-4.2.1/bootstrap.js"></script>
<script type="text/javascript" src="ext-4.2.1/locale/ext-lang-zh_CN.js"></script>
<script type="text/javascript">
Ext.onReady(function(){
var panel=new Ext.Panel({
title:'样式表的创建和规则获取示例',
frame:true,
renderTo:'test1',
width:'300px',
html:"<div id='div1' style='width:200px;height:200px;padding:10px;'>"+
"<div id='id01' style='height:20px;'"+
"</div>"
});
//通过级联样式表文本规范所述的规则自动创建一个样式表供HTML应用
Ext.util.CSS.createStyleSheet(".myclass{color:blue}","the");
var cssObj=Ext.util.CSS.getRule(".myclass",true);//通过指定的CSS名，查询该CSS规则
Ext.Msg.alert('获取的信息','创建样式表'+'<br>获取myclass样式表中规则的字体颜色：'+cssObj.style.color);
});
</script>
</head>
<body>
<div id="test1"></div>
</body>
</html>
