HTML传输方法(只有Post和Get）

稍微修改了点

public static string CollectHtml(string targetUrl, string sendContent, RequestParameters reqParam)

{

string html = string.Empty;

Stream stream = null;

StreamReader sr = null;

Stream reqStream = null;

HttpWebRequest request = null;

HttpWebResponse response = null;

try

{

byte[] bs = Encoding.GetEncoding(GetEnumDescription<EncodingType>(reqParam.sendEncoding)).GetBytes(sendContent);

switch (reqParam.reqMethod)

{

case ReqMethod.Post:

request = (HttpWebRequest)WebRequest.Create(targetUrl);

request.Method = reqParam.reqMethod.ToString();

request.ContentLength = bs.Length;

request.UserAgent = reqParam.reqUserAgent;

request.ContentType = GetEnumDescription<ReqContentType>(reqParam.reqContentType);

request.Accept = reqParam.reqAccept;

break;

case ReqMethod.Get:

request = (HttpWebRequest)WebRequest.Create(targetUrl + (sendContent == "" ? "" : "?") + sendContent);

request.Method = reqParam.reqMethod.ToString();

request.ContentType = reqParam.reqContentType.ToString();

break;

default:

break;

}

if (bs.Length > 0 && reqParam.reqMethod == ReqMethod.Post)

{

reqStream = request.GetRequestStream();

reqStream.Write(bs, 0, bs.Length);

}

if (request != null)

response = (HttpWebResponse)request.GetResponse();

stream = response.GetResponseStream();

sr = new StreamReader(stream, Encoding.GetEncoding(GetEnumDescription<EncodingType>(reqParam.receivEncoding)));

html = sr.ReadToEnd();

}

catch (WebException wEx)

{

response = (HttpWebResponse)wEx.Response;

stream = response.GetResponseStream();

sr = new StreamReader(stream, Encoding.GetEncoding(GetEnumDescription<EncodingType>(reqParam.receivEncoding)));

html = sr.ReadToEnd();

}

finally

{

if (response != null)

{

response.Close();

}

if (stream != null)

{

stream.Dispose();

}

if (sr != null)

{

sr.Dispose();

}

if (reqStream != null)

{

reqStream.Dispose();

}

if (request != null)

{

request.Abort();

}

}

return html;

}

public struct RequestParameters

{

public EncodingType sendEncoding

{ get; set; }

public EncodingType receivEncoding

{ get; set; }

public ReqMethod reqMethod

{ get; set; }

public string reqUserAgent

{

get { return "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)"; }

}

public ReqContentType reqContentType

{ get; set; }

public string reqAccept

{

get { return "image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, */*"; }

}

}

public enum EncodingType

{

GB2312,

GBK,

[Description("UTF-8")]

UTF8

}

public enum ReqMethod

{

Post, Get

}

public enum ReqContentType

{

[Description("application/x-www-form-urlencod")]

Default,

[Description("image/jpeg")]

Image,

[Description("application/json")]

Json,

[Description("text/plain")]

Text,

[Description("text/xml")]

Xml

}