Ext_MessageBox

提示框：
Ext.MessageBox.alert("hello","ni hao a !");
窗口：
var win = new Ext.Window({
title:"hello",
width:300,
    height:200,
    html:'<h1>hello everyone</h1>'
    });
win.show();

输入框：
Ext.MessageBox.prompt("prompt",
"please input you name:",
function(but, txt){
     Ext.MessageBox.alert("result","you click button: "+but+"<br> the name you input is:"+txt);
    },
    this,
    30);
确认框：
Ext.onReady(function(){
     Ext.MessageBox.confirm("sure","please click button as you select:",function(but){
     Ext.MessageBox.alert("message","you select:"+but);
     });
自定义信息框:
var config = {
     title:"dialogbox",
     msg:"this is a diy dialog box",
     width:300,
     multiline:true,

     closable:false,
     buttons:Ext.MessageBox.YESNOCANCEL,
     icon:Ext.MessageBox.QUESTION,
     fn:function(but,txt){
     Ext.MessageBox.alert("msg","you click button : "+but+"<br> and the msg you input is: "+txt);
     }
    
     }
     Ext.MessageBox.show(config);

进度条：
var config = {
     title:"please witing......",
     msg:"now is loding",
     width:300,
     progressText:"initing",
     closable:false,
     progress:true,
     }
     Ext.MessageBox.show(config);
     var f = function(v){
     return function(){
     if(v==12) {
     Ext.MessageBox.hide();
     Ext.MessageBox.alert("done", "all of project is downloaded");
     } else {
     var i = v/11;
     Ext.MessageBox.updateProgress(i,Math.round(100*i)+"% is done");
     }
     };