function ShowMsg() {    Ext.MessageBox.alert("消息", "您好！");}

var config = {    title: "消息",    msg: "您好！"};function ShowMsg2() {    //Ext.MessageBox.alert(config);    Ext.Msg.alert(config);}

<style type="text/css">.csharpcode, .csharpcode pre{ font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/}.csharpcode pre { margin: 0em; }.csharpcode .rem { color: #008000; }.csharpcode .kwrd { color: #0000ff; }.csharpcode .str { color: #006080; }.csharpcode .op { color: #0000c0; }.csharpcode .preproc { color: #cc6633; }.csharpcode .asp { background-color: #ffff00; }.csharpcode .html { color: #800000; }.csharpcode .attr { color: #ff0000; }.csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em;}.csharpcode .lnum { color: #606060; }</style>

点击yes,No

function Confirm() {    Ext.MessageBox.confirm("提示", "请选择", function (id) {        alert(‘id:‘ + id);    });}

<style type="text/css">.csharpcode, .csharpcode pre{ font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/}.csharpcode pre { margin: 0em; }.csharpcode .rem { color: #008000; }.csharpcode .kwrd { color: #0000ff; }.csharpcode .str { color: #006080; }.csharpcode .op { color: #0000c0; }.csharpcode .preproc { color: #cc6633; }.csharpcode .asp { background-color: #ffff00; }.csharpcode .html { color: #800000; }.csharpcode .attr { color: #ff0000; }.csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em;}.csharpcode .lnum { color: #606060; }</style>

function Prompt() {    Ext.MessageBox.prompt(‘提示‘,        ‘请输入‘,        function (id, msg) {            alert(‘id:‘ + id + ‘,msg:‘ + msg);        });}

<style type="text/css">.csharpcode, .csharpcode pre{ font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/}.csharpcode pre { margin: 0em; }.csharpcode .rem { color: #008000; }.csharpcode .kwrd { color: #0000ff; }.csharpcode .str { color: #006080; }.csharpcode .op { color: #0000c0; }.csharpcode .preproc { color: #cc6633; }.csharpcode .asp { background-color: #ffff00; }.csharpcode .html { color: #800000; }.csharpcode .attr { color: #ff0000; }.csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em;}.csharpcode .lnum { color: #606060; }</style>

function Prompt() {    Ext.MessageBox.prompt(‘提示‘,        ‘请输入‘,        function (id, msg) {            alert(‘id:‘ + id + ‘,msg:‘ + msg);        },this,true,‘默认值‘);}

<style type="text/css">.csharpcode, .csharpcode pre{ font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/}.csharpcode pre { margin: 0em; }.csharpcode .rem { color: #008000; }.csharpcode .kwrd { color: #0000ff; }.csharpcode .str { color: #006080; }.csharpcode .op { color: #0000c0; }.csharpcode .preproc { color: #cc6633; }.csharpcode .asp { background-color: #ffff00; }.csharpcode .html { color: #800000; }.csharpcode .attr { color: #ff0000; }.csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em;}.csharpcode .lnum { color: #606060; }</style>

function Wait() {    Ext.MessageBox.wait(‘请稍等‘, ‘提示‘, { text: ‘进度条上的文字‘ });    Ext.defer(function () {        Ext.MessageBox.close();    }, 3000);}

function Show() {    Ext.MessageBox.show({        title: ‘提示‘,        msg: ‘消息‘,        modal: true,        prompt: true,        value: ‘请输入‘,        fn: function (id, msg) {            alert(‘id:‘ + id + ‘,msg:‘ + msg);        },        buttons: Ext.Msg.YESNOCANCEL,        icon: Ext.Msg.QUESTION    });}

function Show2() {    Ext.MessageBox.buttonText.yes = ‘按钮一‘;    Ext.MessageBox.buttonText.no = ‘按钮二‘;    Ext.MessageBox.buttonText.cancel = ‘按钮三‘;    Ext.MessageBox.show({        title: ‘提示‘,        msg: ‘自定义按钮文字‘,        modal: true,        buttons: Ext.Msg.YESNOCANCEL    });}

function Show3() {    var task = {        run: function () {            msgBox.updateText(‘Time‘ + Ext.util.Format.date(new Date(),‘Y-m-d g:i:s A‘));        },        interval: 1000    };    var msgBox = Ext.MessageBox.show({        title: ‘提示‘,        msg: ‘自定义按钮文字‘,        modal: true,        buttons: Ext.Msg.OK,        fn: function () {            Ext.TaskManager.stop(task);        }    });       Ext.TaskManager.start(task);}

ExtJS 4 【Ext.Msg.alert】