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具体怎么样？各位DX看看就清楚了！！！
所有才有了这个ResponseFilter了，实现如下，
public class ResponseFilter:System.IO.Stream
{
public ResponseFilter(System.IO.Stream sink,string _str)
{
_sink = sink;
//
// TODO: 在此处添加构造函数逻辑
//
this.str = _str;
}
private string str = "";
private System.IO.Stream _sink;
private long _position;
private System.Text.Encoding end=System.Text.Encoding.GetEncoding("GB18030");
private System.Text.StringBuilder oOutput = new System.Text.StringBuilder();
// The following members of Stream must be overriden.
public override bool CanRead
{
get { return true; }
}
public override bool CanSeek
{
get { return true; }
}
public override bool CanWrite
{
get { return true; }
}
public override long Length
{
get { return 0; }
}
public override long Position
{
get { return _position; }
set { _position = value; }
}
public override long Seek(long offset, System.IO.SeekOrigin direction)
{
return _sink.Seek(offset, direction);
}
public override void SetLength(long length)
{
_sink.SetLength(length);
}
public override void Close()
{
_sink.Close();
}
public override void Flush()
{
_sink.Flush();
}
public override int Read(byte[] buffer, int offset, int count)
{
return _sink.Read(buffer, offset, count);
}
// The Write method actually does the filtering.
public override void Write(byte[] buffer, int offset, int count)
{
string szBuffer = System.Text.UTF8Encoding.UTF8.GetString(buffer, offset, count);
string ap="action=\"";
int pos=-1;
if ((pos=szBuffer.IndexOf(ap) )!= -1)
{
int epos = szBuffer.IndexOf("\"", pos + ap.Length+1);
if (epos != -1)
{
szBuffer= szBuffer.Remove(pos + ap.Length, epos - pos - ap.Length);
}
szBuffer = szBuffer.Insert(pos + ap.Length, this.str);
byte[] data = System.Text.UTF8Encoding.UTF8.GetBytes(szBuffer);
_sink.Write(data, 0, data.Length);
}
else
{
oOutput.Append(szBuffer);
}
//下面的这一段可以用来修改<Head></head>之间的内容；
//Regex oEndFile = new Regex("</head>", RegexOptions.IgnoreCase|RegexOptions.Compiled);
//if (oEndFile.IsMatch(szBuffer))
//{
// //Append the last buffer of data
// //附加上缓冲区中的最后一部分数据
// oOutput.Append(szBuffer);
// //Get back the complete response for the client
// //传回完整的客户端返回数据
// string szCompleteBuffer = oOutput.ToString().ToLower();
// int ipos = szCompleteBuffer.IndexOf("<title>");
// int epos = szCompleteBuffer.IndexOf("</title>",ipos+7);
// string sp = szCompleteBuffer.Substring(ipos+7, epos - ipos );
// szCompleteBuffer = szCompleteBuffer.Remove(ipos+7,sp.Length-7);
// szCompleteBuffer = szCompleteBuffer.Insert(ipos + 7, "dhz");
// // szCompleteBuffer = szCompleteBuffer.Replace(sp, "dhz");
// //No match, so write out original data
// //没有匹配，因此写入源代码
// byte[] data = System.Text.UTF8Encoding.UTF8.GetBytes(szCompleteBuffer);
// _sink.Write(data, 0, data.Length);
//}
//else
//{
// oOutput.Append(szBuffer);
//}
}
}
//////而重候规则呢则是用xml文件配置如下；
当然在web.config通过自定义配置节做也可以的
<?xml version="1.0" encoding="utf-8" ?>
<Rules>
<RewriterRule>
<LookFors>
<LookFor>~/(\d{4})/(\d{2})\.html</LookFor>
<LookFor>~/(\d{4})/(\d{2})/</LookFor>
<LookFor>~/(\d{4})/(\d{2})</LookFor>
<LookFor>~/(\d{4})/(\d{2})/index.html</LookFor>
</LookFors>
<SendTo>~/Pro.aspx?year=$1&month=$2</SendTo>
</RewriterRule>
<RewriterRule>
<LookFors>
<LookFor>~/pc</LookFor>
</LookFors>
<SendTo>~/Test2.aspx</SendTo>
</RewriterRule>
</Rules>
//这个规则写的不好，如第一个就可以用一个正则表达式来做。但是一时不知道怎么写好，好像要用到什么反捕获组的概念，正在思考这个东东！！