ext-1.1.1--Hello World 例子问题

Question

代码都在附件里了var HelloWorld = function(){
    // everything in this space is private and only accessible in the HelloWorld block
    
    // define some private variables
    var dialog, showBtn;
    
    // return a public interface
    return {
        init : function(){
             showBtn = Ext.get('show-dialog-btn');
             // attach to click event
             showBtn.on('click', this.showDialog, this);
        },
       
        showDialog : function(){
            if(!dialog){ // lazy initialize the dialog and only create it once
                dialog = new Ext.BasicDialog("hello-dlg", { 
modal:true,  
                        autoTabs:true,
                        width:500,
                        height:300,
                        shadow:true,
                        minWidth:300,
                        minHeight:250,
                        proxyDrag: true
                });
                dialog.addKeyListener(27, dialog.hide, dialog);
                dialog.addButton('Submit', this.ok, dialog);
                dialog.addButton('Close', dialog.hide, dialog);
            }
            dialog.show(showBtn.dom);
        },

ok:function (){
Ext.MessageBox.confirm('Confirm', 'Are you sure you want to do that?',function(btn){
if(btn == 'yes') {
dialog.hide();
}
else{
//在这里写隐藏select..fLASH等元素的代码
}
})
}
};

}();// using onDocumentReady instead of window.onload initializes the application
// when the DOM is ready, without waiting for images and other resources to load
Ext.onReady(HelloWorld.init, HelloWorld, true);

Answer 1

var HelloWorld = function(){
    // everything in this space is private and only accessible in the HelloWorld block
    
    // define some private variables
    var dialog, showBtn;
    
    // return a public interface
    return {
        init : function(){
             showBtn = Ext.get('show-dialog-btn');
             // attach to click event
             showBtn.on('click', this.showDialog, this);
        },
       
        showDialog : function(){
            if(!dialog){ // lazy initialize the dialog and only create it once
                dialog = new Ext.BasicDialog("hello-dlg", { 
                        modal:true,                     
                        autoTabs:true,
                        width:500,
                        height:300,
                        shadow:true,
                        minWidth:300,
                        minHeight:250,
                        proxyDrag: true
                });
                dialog.addKeyListener(27, dialog.hide, dialog);
                dialog.addButton('Submit', this.ok, dialog);
                dialog.addButton('Close', dialog.hide, dialog);
            }
            dialog.show(showBtn.dom);
        },
        
        ok:function (){
            Ext.MessageBox.confirm('Confirm', 'Are you sure you want to do that?',function(btn){
                if(btn == 'yes') {
                    dialog.hide();
                }
                else{
                    //在这里写隐藏select..fLASH等元素的代码加上下面这句就可以了!
                       Ext.get(document.body).addClass("x-body-masked");
                }
            })
        }
    };
    
}();// using onDocumentReady instead of window.onload initializes the application
// when the DOM is ready, without waiting for images and other resources to load
Ext.onReady(HelloWorld.init, HelloWorld, true);

Answer 2

我的helloworld中  
这样写：Ext.onReady(HelloWorld.init, HelloWorld, true);
就会报：l.fireFn is undefined
            [在此错误处中断] Ext.util.Observable=function(){if(this...is.firing=false;}return true;}};})(); 什么都出不来是怎么回事啊？？？求助