如何判断网页的编码
用如下方法获取网页html代码,可如何识别该网页的编码呢?
Dim buf(1000000) As Byte
Dim request As HttpWebRequest = WebRequest.Create( "http://127.0.0.1/hhzp ")
Dim response As HttpWebResponse = request.GetResponse()
Dim resStream As Stream = response.GetResponseStream()
Dim count As Integer = resStream.Read(buf, 0, buf.Length)
Dim htmlstr As String = Encoding.Default.GetString(buf, 0, count) '这里的str就是你要的网页代码
resStream.Close()

[解决办法]
string contenttype = response.Headers[ "Content-Type "];
if( contenttype != " ")
{
encoding = contenttype.Substring(contenttype.LastIndexOf( "= ")+1);
}


if(encoding == " ")
sr= new StreamReader(resStream, System.Text.Encoding.Default);
else
{
sr= new StreamReader(resStream, System.Text.Encoding.GetEncoding(encoding));
}
htmlstr = sr.ReadToEnd();

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最新版本：20070210

http://www.cnblogs.com/feiyun0112/archive/2006/09/20/509783.html