C# GET、POST方式请求web

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private string GetModel(string strUrl)
{ string strRet = null; try {
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(strUrl);
request.Timeout = 2000;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
System.IO.Stream resStream = response.GetResponseStream();
Encoding encode = System.Text.Encoding.Default;
StreamReader readStream = new StreamReader( resStream, encode );
Char[] read = new Char[256]; int count = readStream.Read( read, 0, 256 ); while (count > 0)
{
String str = new String(read, 0, count);
strRet = strRet + str;
count = readStream.Read(read, 0, 256);
}
resStream.Close();
} catch(Exception e)
{
strRet="";
} return strRet;
} public static string PostModel(string strUrl, string strParm)
{
Encoding encode = System.Text.Encoding.Default; byte[] arrB = encode.GetBytes(strParm); string strBaseUrl = null;
HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(strUrl);
myReq.Method = "POST" ;
myReq.ContentType = "application/x-www-form-urlencoded";
myReq.ContentLength = arrB.Length;
Stream outStream = myReq.GetRequestStream();
outStream.Write(arrB,0,arrB.Length);
outStream.Close();
WebResponse myResp = null; try { //接收HTTP做出的响应  myResp = myReq.GetResponse();
} catch(Exception e)
{ int ii =0;
}
Stream ReceiveStream = myResp.GetResponseStream();
StreamReader readStream = new StreamReader( ReceiveStream, encode );
Char[] read = new Char[256]; int count = readStream.Read( read, 0, 256 ); string str = null; while (count > 0)
{
str += new String(read, 0, count);
count = readStream.Read(read, 0, 256);
}
readStream.Close();
myResp.Close(); return str;
}

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