把文章内容中涉及到的图片自动保存到本地服务器

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'函数功能：把文章内容中涉及到的图片自动保存到本地服务器。（注意：请先在目录下创建tempfile目录，用来保存临时图片）

'作者：小灰

'QQ:103895

'主页:http://asp2004.net'2004.9.13

'转载或使用请不要删除上面这些信息。谢谢！

const savepath="tempfile/"

function myreplace(str)

newstr=str

set objregEx = new RegExp

objregEx.IgnoreCase = true

objregEx.Global = true

objregEx.Pattern = "http://(.+?)\.(jpg|gif|png|bmp)"

set matches = objregEx.execute(str)

for each match in matches

newstr=replace(newstr,match.value,saveimg(match.value))

next

myreplace=newstr

end function

function saveimg(url)

temp=split(url,".")

randomize

ranNum=int(90000*rnd)+10000

filename=year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&temp(ubound(temp))

set xmlhttp=server.createobject("Microsoft.XMLHTTP")

xmlhttp.open "get",url,false

xmlhttp.send

if xmlhttp.status<>200 then

saveimg=""

else

img=xmlhttp.ResponseBody

set objAdostream=server.createobject("ADODB.Stream")

objAdostream.Open()

objAdostream.type=1

objAdostream.Write(img)

objAdostream.SaveToFile(server.mappath("./"&savepath&filename))

objAdostream.SetEOS

set objAdostream=nothing

saveimg=savepath&filename

end if

set xmlhttp=nothing

end function

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