从HTTP服务器上下载一个文件有很多方法,"热心"的微软提供了WinInet类,用起来也很方便.当然,我们也可以自己实现这些功能,通过格式化请求头很容易就能实现断点续传和检查更新等等功能.本文附带的工程中有一个支持HTTP1.1协议,直接用Socket实现下载功能… -from the HTTP server to download a document, there are many ways, "enthusiastic" Microsoft provides a WinInet classes and it is also very convenient. of course, we can achieve these functions themselves. the first request by formatting is easy to achieve HTTP and check updates and so on. accompanying this is a project HTTP1.1 support agreement directly with Socket download