string url="地址資訊";

//初始化url

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

request.method ="Post";//請求型別

request.ContentType="application/json";//請求內容型別

//寫入流

using(StreamWriter dataStream = new StreamWriter(request.GetRequestStream))

{

dataStream.Close();

}

//獲取響應資訊

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

string encoding =response.ContentEncoding;

if(encoding==null || encoding.Length<1) 

{

encoding = "UTF-8";

}

//讀取流

StreamReader reader = new StreamReader(response.GetResponseStream(),Encoding.GetEncoding(encoding));

string readStr = reader.ReadToEnd();//讀取介面返回的資訊