使用Flex上传文件。简单的Flex上传文件代码。可以用于网站中-Upload files using the Flex. Flex upload a simple code. Can be used for site

flex版的附件上传下载程序，功能代码齐全。适合开发者们引用，代码稍微修改即可为项目应用。-Flex version of the accessories, function uploads and downloads program code is complete. Suitable for developers, code to change a little reference to the project applicatio