摘要： The layout system is one of the most powerful parts of Ext JS. It handles the sizing and positioning of every Component in your application. This guide covers the basics of how to get started with layouts.布局系统是Ext Js中最强大的部分。它控制着你程序中每个组件的尺寸和位置。本指南涵盖了如何使用布局的基础知识。容器一个Ext Js应用程序的界面(UI)是由许多组件构成的(容器是一种能陈放 阅读全文