private static string CallClient(String urlManager, String key, string json) { //对报文做MD5处理 HttpUtility.UrlEncode( string data = Convert.ToBase64String(Encoding.UTF8.GetBytes(UrlEncode(json, Encoding.UTF8))); string keyContent = Get16MD5(data + key); String URL = urlManager + "&data=" + data + "&md5_data=" + keyContent + ""; MyHttpClient myWebClient = new MyHttpClient(URL); var ret = myWebClient.UploadString("", Encoding.UTF8); return(ret); }