将远程服务器上的图片保存在本地空间

发表于:2007-06-08来源:作者:点击数: 标签:
修改savepost.asp文件 找到mysessiondata(37)=Content 改为 mysessiondata(37) = ReplaceRemoteUrl(Content) 如果希望是管理员才能有这权限,则修改为 if d vb bs.master then mysessiondata(37) = ReplaceRemoteUrl(Content) else mysessiondata(37) = Cont
修改savepost.asp文件

找到mysessiondata(37)=Content

改为

mysessiondata(37) = ReplaceRemoteUrl(Content)

如果希望是管理员才能有这权限,则修改为

if dvbbs.master then

mysessiondata(37) = ReplaceRemoteUrl(Content)

else

mysessiondata(37) = Content

end if

在文件的最后一行End Function后面增加

'==================================================
'过程名:ReplaceRemoteUrl
'作  用:替换字符串中的远程文件为本地文件并保存远程文件
'参  数:strContent ------ 要替换的字符串
'==================================================
function ReplaceRemoteUrl(strContent)
if IsObjInstalled("Microsoft.XMLHTTP")=False then
  ReplaceRemoteUrl=strContent
  exit function
end if
  
dim re,RemoteFile,RemoteFileurl,SaveFileName,SaveFileType,arrSaveFileName,ranNum,UploadFiles,FormPath
FormPath=CheckFolder&CreatePath() '上传目录路径
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
re.Pattern = "((http|https|ftp|rtsp|mms):(\/\/|\\\\){1}((\w)+[.]){1,}.net|com|cn|org|cc|tv|[0-9]{1,3})(\S*\/)((\S)+[.]{1}(gif|jpg|png|bmp)))"
Set RemoteFile = re.Execute(strContent)
For Each RemoteFileurl in RemoteFile
  arrSaveFileName = split(RemoteFileurl,".")
  SaveFileType=arrSaveFileName(ubound(arrSaveFileName))
  ranNum=int(900*rnd)+100
  SaveFileName = FormPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&SaveFileType
  call SaveRemoteFile(SaveFileName,RemoteFileurl)
  strContent=Replace(strContent,RemoteFileurl,SaveFileName)
  if UploadFiles="" then
   UploadFiles=SaveFileName
  else
   UploadFiles=UploadFiles & "|" & SaveFileName
  end if
Next
ReplaceRemoteUrl=strContent
end function

'==================================================
'过程名:SaveRemoteFile
'作  用:保存远程的文件到本地
'参  数:LocalFileName ------ 本地文件名
'   RemoteFileUrl ------ 远程文件URL
'==================================================
sub SaveRemoteFile(LocalFileName,RemoteFileUrl)
dim Ads,Retrieval,GetRemoteData
Set Retrieval = Server.CreateObject("Microsoft.XMLHTTP")
With Retrieval
  .Open "Get", RemoteFileUrl, False, "", ""
  .Send
  GetRemoteData = .ResponseBody
End With
Set Retrieval = Nothing
Set Ads = Server.CreateObject("Adodb.Stream")
With Ads
  .Type = 1
  .Open
  .Write GetRemoteData
  .SaveToFile server.MapPath(LocalFileName),2
  .Cancel()
  .Close()
End With
Set Ads=nothing
end sub

'**************************************************
'函数名:IsObjInstalled
'作  用:检查组件是否已经安装
'参  数:strClassString ----组件名
'返回值:True  ----已经安装
'       False ----没有安装
'**************************************************
Function IsObjInstalled(strClassString)
On Error Resume Next
IsObjInstalled = False
Err = 0
Dim xTestObj
Set xTestObj = Server.CreateObject(strClassString)
If 0 = Err Then IsObjInstalled = True
Set xTestObj = Nothing
Err = 0
End Function

'按月份自动明名上传文件夹,需要FSO组件支持。
Function CreatePath()
Dim objFSO,Fsofolder,uploadpath
uploadpath=year(now)&"-"&month(now) '以年月创建上传文件夹,格式:2003-8
On Error Resume Next
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
  If objFSO.FolderExists(Server.MapPath(CheckFolder&uploadpath))=False Then
   objFSO.CreateFolder Server.MapPath(CheckFolder&uploadpath)
  End If
  If Err.Number = 0 Then
   CreatePath=uploadpath&"/"
  Else
   CreatePath=""
  End If
Set objFSO = Nothing
End Function

'读取上传目录
Function CheckFolder()
If Dvbbs.Forum_Setting(76)="" Or Dvbbs.Forum_Setting(76)="0" Then Dvbbs.Forum_Setting(76)="UploadFile/"
CheckFolder = Replace(Replace(Dvbbs.Forum_Setting(76),Chr(0),""),".","")
'在目录后加(/)
If Right(CheckFolder,1)<>"/" Then CheckFolder=CheckFolder&"/"
End Function

这一功能是参考动力文章系统修改而来,能将复制过来的网页上的图片,在发表的同时保存在自己的空间,在我自己论坛测试成功。但是不敢确定这一修改方法是否会带来什么不良影响,请大家指正。

对于空间小的用户来讲,请不要使用或者只修改为管理员可以使用,否则,所有图片存入本地空间,空间容量将会承受不住。


原文转自:http://www.ltesting.net