发表于 2009-1-5 19:48
| 
Asp.Net鍔ㄦ侀〉闈㈣浆鎴愰潤鎬侀〉闈
鍙戝竷: 2008-7-04 13:50 | 浣滆: 缃戠粶杞浇 | 鏉ユ簮: 缃戠粶杞浇 | 鏌ョ湅: 150娆
涓涓槸涓涓〉闈㈣浆鎹㈢殑绫伙紝璇ョ被閫氳繃闈欐佸嚱鏁癈hangfile锛堬級鏉ュ疄鐜帮紝鍔ㄦ侀〉闈㈠埌闈欐侀〉闈㈢殑杞崲銆
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.IO;
/**//// 锛渟ummary锛
/// Summary description for HtmlProxy
/// 锛/summary锛
public class HtmlProxy
...{
public HtmlProxy()
...{
}
public static bool ChangeFile(int id)
...{
string filename = HttpContext.Current.Server.MapPath("Post_" + id + ".html");
//灏濊瘯璇诲彇宸叉湁鏂囦欢
Stream st = GetFileStream(filename);
//濡傛灉鏂囦欢瀛樺湪骞朵笖璇诲彇鎴愬姛
if (st != null)
...{
using (st)
...{
StreamToStream(st, HttpContext.Current.Response.OutputStream);
return true;
//Response.End();
}
}
else
...{
StringWriter sw = new StringWriter();
HttpContext.Current.Server.Execute("ForumDetail.aspx?PID=" + id, sw);
string content = sw.ToString();
//鍐欒繘鏂囦欢
try
...{
using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.Write))
...{
using (StreamWriter stw = new StreamWriter(fs, HttpContext.Current.Response.ContentEncoding))
...{
stw.Write(content);
}
}
銆return true;
}
catch ...{ return false; }
}
}
private static Stream GetFileStream(string filename)
...{
try
...{
DateTime dt = File.GetLastWriteTime(filename);
TimeSpan ts = dt - DateTime.Now;
if (ts.TotalHours 锛1)
...{
//涓灏忔椂鍚庤繃鏈
return null;
}
return new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read);
}
catch ...{ return null; }
}
static public void StreamToStream(Stream src, Stream dst)
...{
銆銆byte[] buf = new byte[4096];
銆銆while (true)
...{
int c = src.Read(buf, 0, buf.Length);
if (c == 0)
return;
dst.Write(buf, 0, c);
銆}
銆}
}
銆銆鍦ㄩ〉闈㈡枃浠朵腑锛孎orURL.aspx鐨勫悗鍙颁唬鐮佸涓嬶細
protected void Page_Load(object sender, EventArgs e)
...{
try
...{
int id = int.Parse(Request.QueryString["PID"]);
if(HtmlProxy.ChangeFile(id))
...{
銆Response.Redirect("Post_" + id + ".html");
}
銆else
...{
銆Response.Redirect("Post.aspx?PID=" + id );
}
}
銆catch ...{
}
}
