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(strCont