1.HttpWebRequest类的Proxy属性，只要设置了该属性就能够使用代理了,如下：  //设置代理WebProxyWP=newWebProxy("41.76.44.76",3128);ICredentialsjxCredt=newNetworkCredential("proxy_username","proxy_password");WP.Credentials=jxCredt;HttpWebRequestwebreq=HttpWebRequest.Create(uri);...