Asp.Net模拟post提交数据方法

 ???????System.Net.WebClient WebClientObj = new System.Net.WebClient(); ???????System.Collections.Specialized.NameValueCollection PostVars = new System.Collections.Specialized.NameValueCollection(); ???????PostVars.Add("A1", "xxx"); ???????PostVars.Add("A2", "0"); ???????PostVars.Add("A3", "000"); ???????byte[] byRemoteInfo = WebClientObj.UploadValues("https://www.xxx.com", "POST", PostVars); ???????string sRemoteInfo = System.Text.Encoding.Default.GetString(byRemoteInfo); ???????Response.Write(sRemoteInfo);

string url = "https://www.xxx.com/api/"; ???????HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); ???????string postdata = "key=djfkdjkf"; ???????byte[] requestBytes = System.Text.Encoding.UTF8.GetBytes(postdata); ???????req.Method = "POST"; ???????req.ContentType = "application/x-www-form-urlencoded"; ???????req.ContentLength = requestBytes.Length; ???????req.Referer = "https://www.xxx.com"; ???????Stream requestStream = req.GetRequestStream(); ???????requestStream.Write(requestBytes, 0, requestBytes.Length); ???????requestStream.Close(); ???????HttpWebResponse res = (HttpWebResponse)req.GetResponse(); ???????StreamReader sr = new StreamReader(res.GetResponseStream(), System.Text.Encoding.UTF8); ???????string backstr = sr.ReadToEnd(); ???????Response.Write(backstr); ????????sr.Close(); ????????res.Close();