httpWebRequest怎麽POST，JSON數據

/// 返回JSon數據

/// </summary>

/// <param name="JSONData">要處理的JSON數據</param>

/// <param name="Url">要提交的URL</param>

/// <returns>返回的JSON處理字符串</returns>

public string GetResponseData(string JSONData,string Url)

{byte[] bytes = Encoding.UTF8.GetBytes(JSONData)

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

request.Method = "POST";

request.ContentLength = bytes.Length;

request.ContentType = "text/xml";

Stream reqstream = request.GetRequestStream();

reqstream.Write(bytes, 0, bytes.Length);

//聲明壹個HttpWebRequest請求

request.Timeout = 90000;

//設置連接超時時間

request.Headers.Set("Pragma", "no-cache");

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

Stream streamReceive = response.GetResponseStream();

Encoding encoding = Encoding.UTF8;

StreamReader streamReader = new StreamReader(streamReceive, encoding);

string strResult = streamReader.ReadToEnd();

streamReceive.Dispose();

streamReader.Dispose();

return strResult;

}

如果不通過request.write()的方式向接口post數據，將request.ContentLength屬性設置為0，讓後去掉request.write()方法即可！