接口地址：http:///tv/getProgram"; var parameters3 = new Dictionary<string, string>(); parameters3.Add("key", appkey);//你申请的key parameters3.Add("code" , ""); //频道代码 parameters3.Add("date" , ""); //日期(格式yyyy-MM-dd,默认为当天日期) string result3 = sendPost(url3, parameters3, "get"); JsonObject newObj3 = new JsonObject(result3); String errorCode3 = newObj3["error_code"].Value; if (errorCode3 == "0") { Debug.WriteLine("成功"); Debug.WriteLine(newObj3); } else { //Debug.WriteLine("失败"); Debug.WriteLine(newObj3["error_code"].Value+":"+newObj3["reason"].Value); } } /// <summary> /// Http (GET/POST) /// </summary> /// <param name="url">请求URL</param> /// <param name="parameters">请求参数</param> /// <param name="method">请求方法</param> /// <returns>响应内容</returns> static string sendPost(string url, IDictionary<string, string> parameters, string method) { if (method.ToLower() == "post") { HttpWebRequest req = null; HttpWebResponse rsp = null; System.IO.Stream reqStream = null; try { req = (HttpWebRequest)WebRequest.Create(url); req.Method = method; req.KeepAlive = false; req.ProtocolVersion = HttpVersion.Version10; req.Timeout = 5000; req.ContentType = "application/x-www-form-urlencoded;charset=utf-8"; byte[] postData = Encoding.UTF8.GetBytes(BuildQuery(parameters, "utf8")); reqStream = req.GetRequestStream(); reqStream.Write(postData, 0, postData.Length); rsp = (HttpWebResponse)req.GetResponse(); Encoding encoding = Encoding.GetEncoding(rsp.CharacterSet); return GetResponseAsString(rsp, encoding); } catch (Exception ex) { return ex.Message; } finally { if (reqStream != null) reqStream.Close(); if (rsp != null) rsp.Close(); } } else { //创建请求 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + "?" + BuildQuery(parameters, "utf8")); //GET请求 request.Method = "GET"; request.ReadWriteTimeout = 5000; request.ContentType = "text/html;charset=UTF-8"; HttpWebResponse response = (HttpWebResponse)request.GetResponse(); Stream myResponseStream = response.GetResponseStream(); StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8")); //返回内容 string retString = myStreamReader.ReadToEnd(); return retString; } } /// <summary> /// 组装普通文本请求参数。 /// </summary> /// <param name="parameters">Key-Value形式请求参数字典</param> /// <returns>URL编码后的请求数据</returns> static string BuildQuery(IDictionary<string, string> parameters, string encode) { StringBuilder postData = new StringBuilder(); bool hasParam = false; IEnumerator<KeyValuePair<string, string>> dem = parameters.GetEnumerator(); while (dem.MoveNext()) { string name = dem.Current.Key; string value = dem.Current.Value; // 忽略参数名或参数值为空的参数 if (!string.IsNullOrEmpty(name))//&& !string.IsNullOrEmpty(value) { if (hasParam) { postData.Append("&"); } postData.Append(name); postData.Append("="); if (encode == "gb2312") { postData.Append(HttpUtility.UrlEncode(value, Encoding.GetEncoding("gb2312"))); } else if (encode == "utf8") { postData.Append(HttpUtility.UrlEncode(value, Encoding.UTF8)); } else { postData.Append(value); } hasParam = true; } } return postData.ToString(); } /// <summary> /// 把响应流转换为文本。 /// </summary> /// <param name="rsp">响应流对象</param> /// <param name="encoding">编码方式</param> /// <returns>响应文本</returns> static string GetResponseAsString(HttpWebResponse rsp, Encoding encoding) { System.IO.Stream stream = null; StreamReader reader = null; try { // 以字符流的方式读取HTTP响应 stream = rsp.GetResponseStream(); reader = new StreamReader(stream, encoding); return reader.ReadToEnd(); } finally { // 释放资源 if (reader != null) reader.Close(); if (stream != null) stream.Close(); if (rsp != null) rsp.Close(); } } }}