基于C#的电视台节目表接口调用代码
接口地址：http://www.juhe.cn/docs/api/id/129
usingSystem;
usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Net;
usingSystem.IO;
usingXfrog.Net;
usingSystem.Diagnostics;
usingSystem.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
//----------------------------------
namespaceConsoleAPI
{
classProgram
{
staticvoidMain(string[]args)
{
stringappkey="*******************";//配置您申请的appkey
//1.电视台分类
stringurl1="http://japi.juhe.cn/tv/getCategory";
varparameters1=newDictionary<string,string>();
parameters1.Add("key",appkey);//你申请的key
stringresult1=sendPost(url1,parameters1,"get");
JsonObjectnewObj1=newJsonObject(result1);
StringerrorCode1=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
stringurl2="http://japi.juhe.cn/tv/getChannel";
varparameters2=newDictionary<string,string>();
parameters2.Add("key",appkey);//你申请的key
parameters2.Add("pId","");//电视分类id
stringresult2=sendPost(url2,parameters2,"get");
JsonObjectnewObj2=newJsonObject(result2);
StringerrorCode2=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
stringurl3="http://japi.juhe.cn/tv/getProgram";
varparameters3=newDictionary<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)
stringresult3=sendPost(url3,parameters3,"get");
JsonObjectnewObj3=newJsonObject(result3);
StringerrorCode3=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>
///<paramname="url">请求URL</param>
///<paramname="parameters">请求参数</param>
///<paramname="method">请求方法</param>
///<returns>响应内容</returns>
staticstringsendPost(stringurl,IDictionary<string,string>parameters,stringmethod)
{
if(method.ToLower()=="post")
{
HttpWebRequestreq=null;
HttpWebResponsersp=null;
System.IO.StreamreqStream=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();
Encodingencoding=Encoding.GetEncoding(rsp.CharacterSet);
returnGetResponseAsString(rsp,encoding);
}
catch(Exceptionex)
{
returnex.Message;
}
finally
{
if(reqStream!=null)reqStream.Close();
if(rsp!=null)rsp.Close();
}
}
else
{
//创建请求
HttpWebRequestrequest=(HttpWebRequest)WebRequest.Create(url+"?"+BuildQuery(parameters,"utf8"));
//GET请求
request.Method="GET";
request.ReadWriteTimeout=5000;
request.ContentType="text/html;charset=UTF-8";
HttpWebResponseresponse=(HttpWebResponse)request.GetResponse();
StreammyResponseStream=response.GetResponseStream();
StreamReadermyStreamReader=newStreamReader(myResponseStream,Encoding.GetEncoding("utf-8"));
//返回内容
stringretString=myStreamReader.ReadToEnd();
returnretString;
}
}
///<summary>
///组装普通文本请求参数。
///</summary>
///<paramname="parameters">Key-Value形式请求参数字典</param>
///<returns>URL编码后的请求数据</returns>
staticstringBuildQuery(IDictionary<string,string>parameters,stringencode)
{
StringBuilderpostData=newStringBuilder();
boolhasParam=false;
IEnumerator<KeyValuePair<string,string>>dem=parameters.GetEnumerator();
while(dem.MoveNext())
{
stringname=dem.Current.Key;
stringvalue=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")));
}
elseif(encode=="utf8")
{
postData.Append(HttpUtility.UrlEncode(value,Encoding.UTF8));
}
else
{
postData.Append(value);
}
hasParam=true;
}
}
returnpostData.ToString();
}
///<summary>
///把响应流转换为文本。
///</summary>
///<paramname="rsp">响应流对象</param>
///<paramname="encoding">编码方式</param>
///<returns>响应文本</returns>
staticstringGetResponseAsString(HttpWebResponsersp,Encodingencoding)
{
System.IO.Streamstream=null;
StreamReaderreader=null;
try
{
//以字符流的方式读取HTTP响应
stream=rsp.GetResponseStream();
reader=newStreamReader(stream,encoding);
returnreader.ReadToEnd();
}
finally
{
//释放资源
if(reader!=null)reader.Close();
if(stream!=null)stream.Close();
if(rsp!=null)rsp.Close();
}
}
}
}