把迅雷、网盘、Flashget、QQ旋风的专用链接变成普通http链接，以便于可以用浏览器下载。 应用了剪贴板，编码/解码等功能-The Thunder, network disk, Flashget, QQ Tornado dedicated link into normal http link, so you can use the browser to download. Application of the clipboard, encoding/decoding functions