解决ext4.0 语言问题

<script type="text/javascript" src="${base}/plugin/ext/bootstrap.js"></script>
<script type="text/javascript" src="${base}/plugin/ext/locale/ext-lang-zh_CN.js"></script>
<script>




    
    

     
     
Ext.onReady(function(){  
			    var msgBox = Ext.MessageBox;  
			    Ext.each(msgBox.msgButtons, function(btn, index){  
			        btn.setText(msgBox.buttonText[msgBox.buttonIds[index]]);  
			    });  
			});  
</script>