ASP远程保存图片

<%
'先下载远程图片
url="http://www.im286.com/images/im286/logo.gif" '远程图片地址
savepath="D:\photo\" '保存路径
'为文件重命名
randomize
ranNum=int(999*rnd)
filename=year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum
'为文件重命名结束
set xmlhttp=server.createobject("Microsoft.XMLHTTP")
xmlhttp.open "get",url,false
xmlhttp.send
img = xmlhttp.ResponseBody
set xmlhttp=nothing
set objAdostream=server.createobject("ADODB.Stream")
objAdostream.Open()
objAdostream.type=1
objAdostream.Write(img)
objAdostream.SaveToFile(savepath&filename&".jpg")
objAdostream.SetEOS
set objAdostream=nothing
'文件下载结束
Set Upload = Server.CreateObject("Persits.Upload") '打开对象
Set File = Upload.OpenFile(savepath&filename&".jpg") '打开已经保存的文件

If File.ImageType <> "JPG" and File.ImageType <> "GIF" and File.ImageType <> "BMP" and File.ImageType <> "PNG" Then
Upload.DeleteFile savepath&filename&".jpg" '如果格式不正确就删除这张已下载的图片
response.write "错误的图片格式"
end if
'注销实例
Set Upload = nothing
Set File = nothing
%>