vc读取注册表中的默认浏览器，用默认浏览器打开网址链接的类！-vc to read the registry default browser, use the default browser open the URL link of class!

根据base64原理，实现加密、解密，VC++实现，可以对迅雷url解析，从而得知迅雷的下载文件-Under the base64 principle, to achieve encryption, decryption, VC++ achieve Thunder url parsing, information on Thunder download