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<% From_url = Cstr(Request.ServerVariables("HTTP_REFERER")) Serv_url = Cstr(Request.ServerVariables("SERVER_NAME")) if mid(From_url,8,len(Serv_url)) <> Serv_url then response.write "非法链接！" \\\'防止盗链 response.end end if if Request.Cookies("Logined")="" then response.redirect "/login.asp" \\\'需要登陆！ end if Function GetFileName(longname)\\\'/folder1/folder2/file.asp=>file.asp while instr(longname,"/") longname = right(longname,len(longname)-1) wend GetFileName = longname End Function Dim Stream Dim Contents Dim FileName Dim TrueFileName Dim FileExt Const adTypeBinary = 1 FileName = Request.QueryString("FileName") if FileName = "" Then Response.Write "无效文件名！" Response.End End if FileExt = Mid(FileName, InStrRev(FileName, ".") + 1) Select Case UCase(FileExt) Case "ASP", "ASA", "ASPX", "ASAX", "MDB" Response.Write "非法操作！" Response.End End Select Response.Clear if lcase(right(FileName,3))="gif" or lcase(right(FileName,3))="jpg" or lcase(right(FileName,3))="png" then Response.ContentType = "image/*" \\\'对图像文件不出现下载对话框 else Response.ContentType = "application/ms-download" end if Response.AddHeader "content-disposition", "attachment; filename=" & GetFileName(Request.QueryString("FileName")) Set Stream = server.CreateObject("ADODB.Stream") Stream.Type = adTypeBinary Stream.Open if lcase(right(FileName,3))="pdf" then \\\'设置pdf类型文件目录 TrueFileName = "/the_pdf_file_s/"&FileName end if if lcase(right(FileName,3))="doc" then \\\'设置DOC类型文件目录 TrueFileName = "/my_D_O_C_file/"&FileName end if if lcase(right(FileName,3))="gif" or lcase(right(FileName,3))="jpg" or lcase(right(FileName,3))="png" then TrueFileName = "/all_images_/"&FileName \\\'设置图像文件目录 end if Stream.LoadFromFile Server.MapPath(TrueFileName) While Not Stream.EOS Response.BinaryWrite Stream.Read(1024 * 64) Wend Stream.Close Set Stream = Nothing Response.Flush Response.End %> 返回类别: 教程 上一教程: 浅谈自动采集程序及入库 下一教程: 身份证验证代码函数 您可以阅读与"用ASP隐藏文件路径实现防盗链"相关的教程: · 用ASP隐藏文件路径，实现防盗链 · 用Asp隐藏文件路径，实现防盗链 · ASP和C#隐藏文件下载路径的方式 · ASP实现结构化列举并查看某路径下所有文件 · 网络寻呼机数据库版隐藏文件WATCH.ASP |
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