Http GET,Post 방식 의 요청 요약
20418 단어 http
/// <summary>
/// http ，
/// </summary>
/// <param name="response">HttpWebResponse </param>
/// <returns></returns>
public static string ReaderFromHttp(HttpWebResponse response)
{
Stream stream = null;
StreamReader streamReader = null;
try
{
var contentEncoding = response.ContentEncoding; //
var characterSet = response.CharacterSet; //
stream = response.GetResponseStream();
if (contentEncoding == "gzip")
{
/* ， */
throw new NotImplementedException("gzip ");
}
else
{
streamReader = new StreamReader(stream, Encoding.GetEncoding(characterSet));
return streamReader.ReadToEnd();
}
}
catch (Exception e)
{
return null;
}
finally
{
if (streamReader != null)
{
streamReader.Close();
streamReader = null;
}
if (stream != null)
{
stream.Close();
stream = null;
}
}
}View Code
Http Get
#region Get Http
/// <summary>
/// GET HTTP
/// </summary>
/// <param name="targetUri"></param>
/// <param name="timeout"> </param>
/// <param name="cookie"> HTTP Cookie </param>
/// <returns></returns>
public static HttpWebRequest CreateGetHttpWebRequest(string targetUri, int timeout = 0, CookieCollection cookie = null)
{
HttpWebRequest request = WebRequest.Create(targetUri) as HttpWebRequest;
request.UserAgent = DefaultUserAgent;
request.Method = "GET";
if (timeout != 0)
request.Timeout = timeout;
if (cookie != null)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(cookie);
}
return request;
}
/// <summary>
/// GET HTTP ,
/// </summary>
/// <param name="targetUri"></param>
/// <param name="timeout"> </param>
/// <param name="cookie"> HTTP Cookie </param>
/// <returns></returns>
public static string ReturnFromGetHttp(string targetUri, int timeout = 0, CookieCollection cookie = null)
{
HttpWebRequest request = null;
HttpWebResponse response = null;
try
{
request = CreateGetHttpWebRequest(targetUri, timeout, cookie);
response = request.GetResponse() as HttpWebResponse;
return ReaderFromHttp(response);
}
catch (Exception e)
{
return null;
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
if (request != null)
{
request.Abort();
request = null;
}
}
}
#endregionView Code
Http Post
#region Post Http
/// <summary>
/// POST HTTP
/// </summary>
/// <param name="targetUri"></param>
/// <param name="content"> </param>
/// <param name="characterSet"> ( utf-8)</param>
/// <param name="timeout"> </param>
/// <param name="cookie"> HTTP Cookie </param>
/// <returns></returns>
public static HttpWebRequest CreatePostHttpWebRequest(string targetUri, string content, string characterSet = null, int timeout = 0, CookieCollection cookie = null)
{
HttpWebRequest request = WebRequest.Create(targetUri) as HttpWebRequest;
request.UserAgent = DefaultUserAgent;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.Headers.Add("Accept-Encoding", "gzip, deflate");
if (timeout != 0)
request.Timeout = timeout;
if (cookie != null)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(cookie);
}
using (var stream = request.GetRequestStream()) //
{
characterSet = string.IsNullOrEmpty(characterSet) ? "utf-8" : characterSet;
var bytes = Encoding.GetEncoding(characterSet).GetBytes(content);
request.ContentLength = bytes.LongLength;
stream.Write(bytes, 0, bytes.Length);
}
return request;
}
/// <summary>
/// POST HTTP ,
/// </summary>
/// <param name="targetUri"></param>
/// <param name="content"> </param>
/// <param name="characterSet"> ( utf-8)</param>
/// <param name="timeout"> </param>
/// <param name="cookie"> HTTP Cookie </param>
/// <returns></returns>
public static string ReturnFromPostHttp(string targetUri, string content, string characterSet = null, int timeout = 0, CookieCollection cookie = null)
{
HttpWebRequest request = null;
HttpWebResponse response = null;
try
{
request = CreatePostHttpWebRequest(targetUri,content,characterSet, timeout, cookie);
response = request.GetResponse() as HttpWebResponse;
return ReaderFromHttp(response);
}
catch (Exception e)
{
return null;
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
if (request != null)
{
request.Abort();
request = null;
}
}
}
#endregionView Code
호출 방식:
var reval = ReturnFromGetHttp("http://www.douyou100.com"); var reval1 = ReturnFromPostHttp("http://www.douyou100.com","요청 텍스트");
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