复制代码 代码如下:
<html xmlns="http://www.w3.org/1999/xhtml" > 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>ExtJS</title> 
<link type="text/css" href="https://www.jb51.net/extjs/resources/css/ext-all.css" /> 
<script type="text/javascript" src="https://www.jb51.net/extjs/adapter/ext/ext-base.js"></script> 
<script type="text/javascript" src="https://www.jb51.net/extjs/ext-all.js"></script> 
<script> 
Ext.onReady(function() 
{ 
Ext.MessageBox.alert("hello","Hello,easyjf open source"); 
}); 
</script> 
</head> 
<body> 
</body> 
</html>

进一步,我们可以在页面上显示一个窗口,代码如下:
复制代码 代码如下:
<script> 
Ext.onReady(function() 
{ 
var win=new Ext.Window({title:"hello",width:300,height:200,html:'<h1>Hello,easyjf open source</h1>'}); 
win.show(); 
}); 
</script>
在浏览hello.html,即可得在屏幕上显示一个窗口,如图xxx所示。

