<%@ Page Language="C#" AutoEventWireup="true" %>
<%@ Import Namespace="System.IO" %>
文件查看器
<%
//直接打开，例如图片等
string openfiles = "jpg,png,gif,flv,mp4";
//当前文件
string file = this.Request.QueryString["file"];
System.IO.FileInfo fi = new FileInfo(this.Server.MapPath(this.Server.UrlDecode(file)));
string ext = fi.Extension.ToLower();
if (ext.IndexOf(".") > -1) ext = ext.Substring(ext.IndexOf(".")+1);
//如果不用打开，则跳转
foreach (string s in openfiles.Split(','))
{
if(s.Equals(ext,StringComparison.CurrentCultureIgnoreCase)){
this.Response.Redirect(this.Server.UrlDecode(file));
this.Response.End();
}
}
//查看源码
string text = string.Empty;
string path = string.Format("{1}",file,file);
using (System.IO.StreamReader sr = new StreamReader(fi.FullName))
{
text = sr.ReadToEnd();
sr.Dispose();
}
%>
文件：<%= path%>
源码：