Extjs4.x (MVC)Controller中refs以及Ext.ComponentQuery解析
Ext.define("MyApp.controller.Foo",{
extend:"Ext.app.Controller",
refs:[{ref:'list',
selector:'grid'}],});这将会产生一个this.getList()方法,该方法会通过Ext.ComponentQuery去页面中获取组件为grid的组件Thefollowingfieldscanbeusedinre