1.MFC中的CInternetSession, CHttpConnection, CHttpFile类(在cookie的处理上与浏览器不完全一致)
2.XMLHTTPRequest (COM组件,Ajax核心,不过无法设置Header的Refer参数)
3.开源Http Client库:
http://curlpp.org/index.php/download
http://lfs.linuxsir.org/htdocs/blfscvs/gnome/libghttp.html
http://www.elcel.com/products/opentop/index.html