添加按钮点击 或列表点击事件

 var i;
        var getTarget;
        for(i=0;i<this.quanqiaTotal_num;i++){
            getTarget=this.drag_btn_arr[i];
            if(_isAdd){
            
                getTarget.on(Laya.Event.CLICK,this,this.onChooseBtn);
     
             }else{
                getTarget.off(Laya.Event.CLICK,this,this.onChooseBtn);
             }
        }


 private onChooseBtn(e):void{
      
       var  _btn:fgui.GButton= <fgui.GButton>fgui.GObject.cast(e.currentTarget);
}

　　

if(_isAdd){
            this.list_td.on(fairygui.Events.CLICK_ITEM,this,this.onChooseBtn);
         }else{
            this.list_td.off(fairygui.Events.CLICK_ITEM,this,this.onChooseBtn);
         }

private onChooseBtn(e):void{
        var dongwuId=(_btn["_id"]);
}