SWFUpload是一个客户端文件上传工具，最初由Vinterwebb.se开发，它通过整合Flash与Javascr ipt技术为WEB开发者提供了一个具有丰富功能继而超越传统<input type="file" />标签的文件上传模式。

SWFUpload的主要特点

* 可以同时上传多个文件；

* 类似AJAX的无刷新上传；

* 可以显示上传进度；

* 良好的浏览器兼容性；

* 兼容其他Javascr ipt库 (例如：jQuery, Prototype等)；

* 支持Flash 8和Flash 9；

SWFUpload不同于其他基于Flash构建的上传工具，它有着优雅的代码设计，开发者可以利用XHTML、CSS和Javascr ipt来随心所欲的定制它在浏览器下的外观；它还提供了一组简明的Javascr ipt事件，借助它们开发者可以方便的在文件上传过程中更新页面内容来营造各种动态效果。

在使用SWFUpload之前，请确认你具备一定的Javascr ipt和DOM知识。在实际开发中，大部分的错误都是由于错误的设置和低劣的Event Handlers处理程序所造成的。-SWFUpload is a client-side file upload tool, initially developed by Vinterwebb.se through integration of Flash and Javascr ipt developers WEB technology provides a feature-rich and then go beyond the traditional <input type="file" /> paper labels Communication mode.

The main features of SWFUpload

* Upload multiple files at the same time　

* Similar to the non-AJAX upload refresh　

* Can display upload progress　

* Good browser compatibility　

* Compatible with other Javascr ipt libraries (such as: jQuery, Prototype, etc.)　

* Support for Flash 8 and Flash 9　

SWFUpload is different from the other to build Flash-based upload tool, it has the elegant design of the code, developers can make use of XHTML, CSS and Javascr ipt to customize the way it is in the appearance of the browser　It also provides a set of simple Javascr ipt events can help them to develop a convenient file upload in the process of updating the content of the page to create a variety of dynamic effects.

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