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asp中常用的文件处理函数

    asp 中处理文件上传以及删除时常用的自定义函数:

  <%
   ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
   '所有自定义的VBS函数
   ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
   function DeleteFile(Filename) '删除文件
   if Filename<>"" then
   Set fso = server.CreateObject("Scripting.FileSystemObject")
   if fso.FileExists(Filename) then
   fso.DeleteFile Filename
   end if
   set fso = nothing
   end if
   end function
   ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
   function CreateDIR(byval LocalPath) '建立目录的程序,如果有多级目录,则一级一级的创建
   on error resume next
   LocalPath = replace(LocalPath,"/","/")
   set FileObject = server.createobject("Scripting.FileSystemObject")
   patharr = split(LocalPath,"/")
   path_level = ubound(patharr)
   for i = 0 to path_level
   if i=0 then pathtmp=patharr(0) & "/" else pathtmp = pathtmp & patharr(i) & "/"
   cpath = left(pathtmp,len(pathtmp)-1)
   if not FileObject.FolderExists(cpath) then FileObject.CreateFolder cpath
   next
   set FileObject = nothing
   if err.number<>0 then
   CreateDIR = false
   err.Clear
   else
   CreateDIR = true
   end if
   end function

  ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
   function SaveRandFileName(byval szFilename) '根据原文件名生成新的随机文件名
   randomize
   'ranNum=int(90000*rnd)+10000
   'if month(now)<10 then c_month="0" & month(now) else c_month=month(now)
   'if day(now)<10 then c_day="0" & day(now) else c_day=day(now)
   'if hour(now)<10 then c_hour="0" & hour(now) else c_hour=hour(now)
   'if minute(now)<10 then c_minute="0" & minute(now) else c_minute=minute(now)
   'if second(now)<10 then c_second="0" & second(now) else c_second=minute(now)
   fileExt_a=split(szFilename,".")
   fileExt=lcase(fileExt_a(ubound(fileExt_a)))

  SaveRandFileName=replace(replace(replace(now,":",""),"-","")," ","")&int(10*rnd)&"."&fileExt   
   'GenerateRandomFileName = year(now)&c_month&c_day&c_hour&c_minute&c_second&"_"&ranNum&"."&fileExt
   end function
   ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

  function jaron_replacer(strContent,start_string,end_string,replace_string)
   'CMS替换函数:源字符串,前部分,后部分,替换成的字符
   '返回被替换后的字符串
   jaron_replacer = replace(strContent,mid(strContent,instr(strContent,start_string),instr(strContent,end_string)+len(end_string)-1),replace_string)
   end function
   ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
   function replaceplus(strContent,start_string,end_string,replace_string)
   '文档中,将所有开始,结束之间的所有字符删除
   on error resume next
   MARKCOUNTS = ubound(split(strContent,start_string))
   PRESTRING = strContent
   for i=0 to MARKCOUNTS
   STARTMARK=instr(1,PRESTRING,start_string,1)
   if STARTMARK=0 then exit for
   COMPMARK=instr(1,PRESTRING,end_string,1) + len(end_string)
   VerString=mid(PRESTRING,STARTMARK,COMPMARK - STARTMARK)
   PRESTRING = replace(PRESTRING,VerString,replace_string)
   next
   replaceplus = PRESTRING
   if err.number<>0 then err.Clear
   end function
   ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
   %>

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