ASP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
　　''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
　　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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　　%>