EXT-样式表的创设和规则获取示例 _Web前端

EXT--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>