Extjs扩展骨架结构

Ext.ns("N21.DataComp");N21.DataComp.MP_PreHeadSetting = Ext.extend(Ext.Panel,{initComponent:function(){Ext.apply(this,{});N21.DataComp.MP_PreHeadSetting.superclass.initComponent.apply(this,arguments);},initEvents:function(){N21.DataComp.MP_PreHeadSetting.superclass.initEvents.call(this);},onRender:function(){N21.DataComp.MP_PreHeadSetting.superclass.onRender.apply(this,arguments);}         ....//其它方法});Ext.reg("mpphs",N21.DataComp.MP_PreHeadSetting);