/* * url:POST请求地址 * postData:json格式的请求报文,例如:{"key1":"value1","key2":"value2"} */ public static string PostUrl(string url, string postData) { string result = ""; HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); req.Method = "POST"; req.TimeOut = "800";//设置请求超时时间,单位为毫秒 req.ContentType = "application/json"; byte[] data = Encoding.UTF8.GetBytes(postData); req.ContentLength = data.Length; using (Stream reqStream = req.GetRequestStream()) { reqStream.Write(data, 0, data.Length); reqStream.Close(); } HttpWebResponse resp = (HttpWebResponse)req.GetResponse(); Stream stream = resp.GetResponseStream(); //获取响应内容 using (StreamReader reader = new StreamReader(stream, Encoding.UTF8)) { result = reader.ReadToEnd(); } return result; }