public void GetResponse(string url, string json)

{

Encoding encoding = Encoding.UTF8;

byte[] data = encoding.GetBytes(json);

//此处为为http请求url

var uri = new Uri(url);

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);

//用此方法可以添加标准或非标准http请求，诸如conten-type ,accept,range等

request.Headers.Add("X-Auth-Token", System.Web.HttpUtility.UrlEncode("openstack"));

//此处为C#实现的一些标准http请求头添加方法，用上面的方面也可以实现

request.ContentType = "application/json";

request.Accept = "application/json";

// request.ContentLength = data.Length;

//此处添加标准http请求方面

request.Method = "POST";

System.IO.Stream sm = request.GetRequestStream();

sm.Write(data, 0, data.Length);

sm.Close();

HttpWebResponse response = (HttpWebResponse)request.GetResponse();

Stream streamResponse = response.GetResponseStream();

StreamReader streamRead = new StreamReader(streamResponse, Encoding.UTF8);

Char[] readBuff = new Char[256];

int count = streamRead.Read(readBuff, 0, 256);

//content为http响应所返回的字符流

String content = "";

while (count > 0)

{

String outputData = new String(readBuff, 0, count);

content += outputData;

count = streamRead.Read(readBuff, 0, 256);

}

response.Close();

}