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