using System;
using System.IO;
using System.Data;
using System.Configuration;
using System.Collections;
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.IO;
/// <summary>
/// 根据虚拟路径获取物理路径
/// </summary>0
/// <returns> </returns>
private void ChangeAspxToHtml()
{
// try
// {
Boolean boolUrl = false;
String strRequestUrl = System.Web.HttpContext.Current.Request.RawUrl;//获取请求的原始Url
String strRedirtUrl = System.Web.HttpContext.Current.Request.Url.ToString();//获取当前请求的Url
String strPhysicsDirectoryFiles = System.Web.HttpContext.Current.Request.PhysicalPath;//获取当前请求的Url的文件的物理路径
String strOldRequestFileName = "";
String strNewRequestFileName = "";
String strHtmlFileName = "";
String strRRedirtUrl = "";
if (CheckUrl(strRequestUrl) == false)
{
Response.Redirect(strRequestUrl + "/default.aspx");
}
int intFilePostion = strRequestUrl.LastIndexOf('/');
strOldRequestFileName = strRequestUrl.Substring(intFilePostion + 1, strRequestUrl.Length - intFilePostion - 1);
String strPhysicsDirectory = System.IO.Path.GetDirectoryName(Page.Request.PhysicalPath);
strNewRequestFileName = strOldRequestFileName.Replace(".aspx", "");
strHtmlFileName = strNewRequestFileName.Replace('?', '_').Replace('&', '_').Replace('=', '_') + ".html";//要转向的html文件
int intRedirtUrl = strRedirtUrl.LastIndexOf('/');
strRRedirtUrl = strRedirtUrl.Substring(0, intRedirtUrl) + "/" + strHtmlFileName;
if (File.Exists(strPhysicsDirectory + "\\" + strHtmlFileName))//判断是存在有该html文件,如果存在,则转向,如果不存在则创建
{
//尝试读取已有文件
Boolean bl = GetFileStream(strPhysicsDirectory + "\\" + strHtmlFileName);
//如果文件存在并且读取成功
if (bl == true)//没有过期
{
//using (st)
//{
// StreamToStream(st, HttpContext.Current.Response.OutputStream);
Response.Redirect(strRRedirtUrl);
//}
}
else //写文件
{
File.Delete(strPhysicsDirectory + "\\" + strHtmlFileName);
WriteHtml(strRequestUrl, strPhysicsDirectory + "\\" + strHtmlFileName);
Response.Redirect(strRRedirtUrl);
}
}
else
{
if (WriteHtml(strRequestUrl, strPhysicsDirectory + "\\" + strHtmlFileName) == true)//写文件
{
Response.Redirect(strRRedirtUrl);
}
}
// }
// catch
// {
// Response.Redirect("http://www.xxxx.com");
// }
}
/// <summary>
/// 生成Html文件
/// </summary>
/// <param name="strUrl"> </param>
/// <param name="strHtml"> </param>
/// <returns> </returns>
private bool WriteHtml(String strUrl, String strHtml)
{
StringWriter sw = new StringWriter();
if (strUrl.Contains("?") == false)
{
HttpContext.Current.Server.Execute(strUrl + "?w=1", sw);
}
else
{
HttpContext.Current.Server.Execute(strUrl + "&w=1", sw);
}
string content = sw.ToString();
try
{
using (FileStream fs = new FileStream(strHtml, FileMode.Create, FileAccess.Write, FileShare.Write))
{
using (StreamWriter stw = new StreamWriter(fs, HttpContext.Current.Response.ContentEncoding))
{
stw.Write(content);
}
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 一小时后过期
/// </summary>
/// <param name="filename"> </param>
/// <returns> </returns>
private Boolean GetFileStream(string filename)
{
try
{
DateTime dt = File.GetLastWriteTime(filename);
TimeSpan ts = DateTime.Now - dt;
if (ts.TotalHours > 1) //一小时后过期
{
return false;
}
else
{
return true;
}
//return new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read);
}
catch
{
return false;
}
}
/// <summary>
/// 写文件
/// </summary>
/// <param name="src"> </param>
/// <param name="dst"> </param>
private void StreamToStream(Stream src, Stream dst)
{
byte[] buf = new byte[4096];
while (true)
{
int c = src.Read(buf, 0, buf.Length);
if (c == 0)
return;
dst.Write(buf, 0, c);
}
}
/// <summary>
/// 判断Url地址
/// </summary>
/// <param name="strUrl"> </param>
/// <returns> </returns>
private Boolean CheckUrl(String strUrl)
{
if (strUrl.ToLower().EndsWith("com") == true)
{
return false;
}
else if (strUrl.ToLower().EndsWith("com/") == true)
{
return false;
}
else
{
return true;
}
}