C# Http Get 提交请求

///<summary>
///HTTPGET方式请求数据.
///</summary>
///<paramname="url">URL.</param>
///<returns></returns>
publicstaticstringHttpGet(stringurl)
{
HttpWebRequestrequest=(HttpWebRequest)HttpWebRequest.Create(url);
request.Method="GET";
//request.ContentType="application/x-www-form-urlencoded";
request.Accept="*/*";
request.Timeout=15000;
request.AllowAutoRedirect=false;

WebResponseresponse=null;
stringresponseStr=null;

try
{
response=request.GetResponse();

if(response!=null)
{
StreamReaderreader=newStreamReader(response.GetResponseStream(),Encoding.UTF8);
responseStr=reader.ReadToEnd();
reader.Close();
}
}
catch(Exception)
{
throw;
}
finally
{
request=null;
response=null;
}

returnresponseStr;
}

///<summary>
///HTTPPOST方式请求数据.
///</summary>
///<paramname="url">URL.</param>
///<returns></returns>
publicstaticstringHttpPost(stringUrl,stringpostDataStr)
{
HttpWebRequestrequest=(HttpWebRequest)WebRequest.Create(Url);
request.Method="POST";
request.ContentType="application/x-www-form-urlencoded";
request.ContentLength=Encoding.UTF8.GetByteCount(postDataStr);
//request.CookieContainer=cookie;
StreammyRequestStream=request.GetRequestStream();
StreamWritermyStreamWriter=newStreamWriter(myRequestStream,Encoding.GetEncoding("gb2312"));
myStreamWriter.Write(postDataStr);
myStreamWriter.Close();

HttpWebResponseresponse=(HttpWebResponse)request.GetResponse();

//response.Cookies=cookie.GetCookies(response.ResponseUri);
StreammyResponseStream=response.GetResponseStream();
StreamReadermyStreamReader=newStreamReader(myResponseStream,Encoding.GetEncoding("utf-8"));
stringretString=myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();

returnretString;
}