基于C#的电视台节目表接口调用代码

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net;using System.IO;using Xfrog.Net;using System.Diagnostics;using System.Web; //----------------------------------// 电视节目时间表调用示例代码 － 聚合数据// 在线接口文档：http://www.juhe.cn/docs/129// 代码中JsonObject类下载地址:http://download.csdn.net/download/gcm3206021155665/7458439//---------------------------------- namespace ConsoleAPI{  class Program  {    static void Main(string[] args)    {      string appkey = "*******************"; //配置您申请的appkey              //1.电视台分类      string url1 = "http://japi.juhe.cn/tv/getCategory";       var parameters1 = new Dictionary<string, string>();       parameters1.Add("key", appkey);//你申请的key       string result1 = sendPost(url1, parameters1, "get");       JsonObject newObj1 = new JsonObject(result1);      String errorCode1 = newObj1["error_code"].Value;       if (errorCode1 == "0")      {        Debug.WriteLine("成功");        Debug.WriteLine(newObj1);      }      else      {        //Debug.WriteLine("失败");        Debug.WriteLine(newObj1["error_code"].Value+":"+newObj1["reason"].Value);      }        //2.电视频道列表      string url2 = "http://japi.juhe.cn/tv/getChannel";       var parameters2 = new Dictionary<string, string>();       parameters2.Add("key", appkey);//你申请的key      parameters2.Add("pId" , ""); //电视分类id       string result2 = sendPost(url2, parameters2, "get");       JsonObject newObj2 = new JsonObject(result2);      String errorCode2 = newObj2["error_code"].Value;       if (errorCode2 == "0")      {        Debug.WriteLine("成功");        Debug.WriteLine(newObj2);      }      else      {        //Debug.WriteLine("失败");        Debug.WriteLine(newObj2["error_code"].Value+":"+newObj2["reason"].Value);      }        //3.电视台节目单列表      string url3 = "http://japi.juhe.cn/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();      }    }  }}