Vaadin is a browser-based RIA rich Web client framework. JavaScript library and browser plug-ins or solutions based Unlike solutions, Vaadin contains a server-side structure, the main of the application logic run in the server, 浏览 Jishu Gen connectivity via Ajax server-side interaction. Vaadin formation of a variety of kinds of UI, such as buttons, tables, tree list, etc., each component has events, listeners, data binding and business logic functions. This is Vaadin 6.4 preview version, should fix some bug, there are many significant improvements. Original link: http://www.oschina.net/news/10058/Vaadin-6-4-0-Pre1
