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

  <%

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  '所有自定义的VBS函数

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  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

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  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

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  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

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  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

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  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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