说明：  本书可以当作一本DWR完整的教程，也可以当作一本详细介绍DWR的“词典”，我 的目的只是通过本书，希望您能够了解一些DWR的基本知识、常用的用户界面组件、远程 方法调用等。并能够搭建DWR开发环境，实现DWR的快速开发。
(This book can be used as a DWR complete tutorial, but also can be used as a detailed DWR s dictionary , I meant through the book, I hope you can understand some basic knowledge of DWR, commonly used user interface components , such as remote method invocation. DWR and be able to build development environment, to achieve the rapid development of DWR.)