日期:2014-05-03 浏览次数:20761 次
以下是示例代码: <% 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
免责声明: 本文仅代表作者个人观点,与爱易网无关。其原创性以及文中陈述文字和内容未经本站证实,对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
|