ASP环境中经常使用的文件操作函数

在ASP中，特别是在需要产生静态状态的CMS系统中，经常需要对一些文件进行判断、创建和删除，今天技术频道小编在这里为大家整理出来了，基本上满足了基本的需要。

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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