extJS 创建类

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="utf-8">

    <title>Welcome to Ext JS 5.0</title>

    <meta name="description" content="Create amazing web apps built on web standards. Sencha Touch, HTML5 mobile app framework. Ext JS, cross-browser JavaScript framework. Ext GWT" />

    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />

    <link rel="shortcut icon" type="image/ico" href="/favicon.ico" />

　　　　 <!-- 下面的文件都是下载好的extJs包中的 bulid目录下 -->

    <!-- 引入必须的css -->

    <link rel="stylesheet" href="build/packages/ext-theme-crisp/build/resources/ext-theme-crisp-all.css" type="text/css" />

       <!-- 引入必须的js -->

    <script src="build/ext-all.js" type="text/javascript" charset="utf-8"></script>

    <script src="build/packages/ext-theme-crisp/build/ext-theme-crisp.js" type="text/javascript" charset="utf-8"></script>

</head>

<body>

    <script type="text/javascript">

        //在页面加载完成之后执行

        //Ext.onReady(function(){

        //    Ext.MessageBox.alert('hello','extJs 你好！');

        //});

        /* var win = new Ext.Window(

                     {

                         width:400,

                          height:300,

                          title:"hello word",

                          buttons:[{text:"确定"},{text:"取消"}],

                     }

                 );

         win.show(); */

         Ext.onReady(function(){

             //定义一个类

              Ext.define('Person',{

                  name:'jaune',

                  age:18,

                  //定义一个方法

                  see:function(){ alert('我的名字叫'+this.name); },

                  //构造函数

                  constructor:function(config){

                      //将配置的所有属性都复制到指定的对象

                      Ext.apply(this,config);

                  }

              });

              Ext.define('Man',{

                  extend:'Person',

                  sex:'Male',

                  constructor:function(config){

                      if(config != null){

                        if(config.hasOwnProperty('sex')){

                            delete config.sex;

                        }

                    }

                      this.callParent([config]);

                  },

                  toString:function(){

                      return {

                          name:this.name,

                          age:this.age,

                          sex:this.sex

                      }

                  }

              });

              var man = new Man({

                name:'zh',

                age:12,

                sex:'man'

            });

              alert(man.toString().sex);

         });

    </script>

</body>

</html>
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extJS 创建类

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