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采集中或者在線添加文章中都可以用到此功能
俺自己在baidu上搜索的保存遠程圖片到本地的代碼感覺比較難用點而且沒有現成的比較全的代碼俺也看不懂
俺從 SNA新聞采集系統 For 3.62 (程序制作:ansir)里提取了點函數用下比較簡單好用
以下是函數
程序代碼

復制代碼代碼如下:

<%
'==================================================
'函數名：CheckDir2
'作用：檢查文件夾是否存在
'參數：FolderPath ------文件夾地址
'==================================================
Function CheckDir2(byval FolderPath)
dim fso
folderpath=Server.MapPath(".")&"\"&folderpath
Set fso = Server.CreateObject("Scripting.FileSystemObject")
If fso.FolderExists(FolderPath) then
'存在
CheckDir2 = True
Else
'不存在
CheckDir2 = False
End if
Set fso = nothing
End Function
'==================================================
'函數名：MakeNewsDir2
'作用：創建新的文件夾
'參數：foldername ------文件夾名稱
'==================================================
Function MakeNewsDir2(byval foldername)
dim fso
Set fso = Server.CreateObject("Scripting.FileSystemObject")
fso.CreateFolder(Server.MapPath(".") &"\" &foldername)
If fso.FolderExists(Server.MapPath(".") &"\" &foldername) Then
MakeNewsDir2 = True
Else
MakeNewsDir2 = False
End If
Set fso = nothing
End Function
'==================================================
'函數名：DefiniteUrl
'作用：將相對地址轉換為絕對地址
'參數：PrimitiveUrl ------要轉換的相對地址
'參數：ConsultUrl ------當前網頁地址
'==================================================
Function DefiniteUrl(Byval PrimitiveUrl,Byval ConsultUrl)
Dim ConTemp,PriTemp,Pi,Ci,PriArray,ConArray
If PrimitiveUrl="" or ConsultUrl="" or PrimitiveUrl="$False$" Then
DefiniteUrl="$False$"
Exit Function
End If
If Left(ConsultUrl,7)<>"HTTP://" And Left(ConsultUrl,7)<>"http://" Then
ConsultUrl= "http://" & ConsultUrl
End If
ConsultUrl=Replace(ConsultUrl,"://",":\\")
If Right(ConsultUrl,1)<>"/" Then
If Instr(ConsultUrl,"/")>0 Then
If Instr(Right(ConsultUrl,Len(ConsultUrl)-InstrRev(ConsultUrl,"/")),".")>0 then
Else
ConsultUrl=ConsultUrl & "/"
End If
Else
ConsultUrl=ConsultUrl & "/"
End If
End If
ConArray=Split(ConsultUrl,"/")
If Left(PrimitiveUrl,7) = "http://" then
DefiniteUrl=Replace(PrimitiveUrl,"://",":\\")
ElseIf Left(PrimitiveUrl,1) = "/" Then
DefiniteUrl=ConArray(0) & PrimitiveUrl
ElseIf Left(PrimitiveUrl,2)="./" Then
DefiniteUrl=ConArray(0) & Right(PrimitiveUrl,Len(PrimitiveUrl)-1)
ElseIf Left(PrimitiveUrl,3)="../" then
Do While Left(PrimitiveUrl,3)="../"
PrimitiveUrl=Right(PrimitiveUrl,Len(PrimitiveUrl)-3)
Pi=Pi+1
Loop
For Ci=0 to (Ubound(ConArray)-1-Pi)
If DefiniteUrl<>"" Then
DefiniteUrl=DefiniteUrl & "/" & ConArray(Ci)
Else
DefiniteUrl=ConArray(Ci)
End If
Next
DefiniteUrl=DefiniteUrl & "/" & PrimitiveUrl
Else
If Instr(PrimitiveUrl,"/")>0 Then
PriArray=Split(PrimitiveUrl,"/")
If Instr(PriArray(0),".")>0 Then
If Right(PrimitiveUrl,1)="/" Then
DefiniteUrl="http:\\" & PrimitiveUrl
Else
If Instr(PriArray(Ubound(PriArray)-1),".")>0 Then
DefiniteUrl="http:\\" & PrimitiveUrl
Else
DefiniteUrl="http:\\" & PrimitiveUrl & "/"
End If
End If
Else
If Right(ConsultUrl,1)="/" Then
DefiniteUrl=ConsultUrl & PrimitiveUrl
Else
DefiniteUrl=Left(ConsultUrl,InstrRev(ConsultUrl,"/")) & PrimitiveUrl
End If
End If
Else
If Instr(PrimitiveUrl,".")>0 Then
If Right(ConsultUrl,1)="/" Then
If right(PrimitiveUrl,3)=".cn" or right(PrimitiveUrl,3)="com" or right(PrimitiveUrl,3)="net" or right(PrimitiveUrl,3)="org" Then
DefiniteUrl="http:\\" & PrimitiveUrl & "/"
Else
DefiniteUrl=ConsultUrl & PrimitiveUrl
End If
Else
If right(PrimitiveUrl,3)=".cn" or right(PrimitiveUrl,3)="com" or right(PrimitiveUrl,3)="net" or right(PrimitiveUrl,3)="org" Then
DefiniteUrl="http:\\" & PrimitiveUrl & "/"
Else
DefiniteUrl=Left(ConsultUrl,InstrRev(ConsultUrl,"/")) & "/" & PrimitiveUrl
End If
End If
Else
If Right(ConsultUrl,1)="/" Then
DefiniteUrl=ConsultUrl & PrimitiveUrl & "/"
Else
DefiniteUrl=Left(ConsultUrl,InstrRev(ConsultUrl,"/")) & "/" & PrimitiveUrl & "/"
End If
End If
End If
End If
If Left(DefiniteUrl,1)="/" then
DefiniteUrl=Right(DefiniteUrl,Len(DefiniteUrl)-1)
End if
If DefiniteUrl<>"" Then
DefiniteUrl=Replace(DefiniteUrl,"//","/")
DefiniteUrl=Replace(DefiniteUrl,":\\","://")
Else
DefiniteUrl="$False$"
End If
End Function
'==================================================
'函數名：ReplaceSaveRemoteFile
'作用：替換、保存遠程文件
'參數：ConStr ------ 要替換的字符串
'參數：StarStr ----- 前導
'參數：OverStr -----
'參數：IncluL ------
'參數：IncluR ------
'參數：SaveTf ------ 是否保存文件，False不保存，True保存
'參數：SaveFilePath- 保存文件夾
'參數: TistUrl------ 當前網頁地址
'==================================================
Function ReplaceSaveRemoteFile(ConStr,StartStr,OverStr,IncluL,IncluR,SaveTf,SaveFilePath,TistUrl)
If ConStr="$False$" or ConStr="" Then
ReplaceSaveRemoteFile="$False$"
Exit Function
End If
Dim TempStr,TempStr2,ReF,Matches,Match,Tempi,TempArray,TempArray2,OverTypeArray
Set ReF = New Regexp
ReF.IgnoreCase = True
ReF.Global = True
ReF.Pattern = "("&StartStr&").+?("&OverStr&")"
Set Matches =ReF.Execute(ConStr)
For Each Match in Matches
If Instr(TempStr,Match.Value)=0 Then
If TempStr<>"" then
TempStr=TempStr & "$Array$" & Match.Value
Else
TempStr=Match.Value
End if
End If
Next
Set Matches=nothing
Set ReF=nothing
If TempStr="" or IsNull(TempStr)=True Then
ReplaceSaveRemoteFile=ConStr
Exit function
End if
If IncluL=False then
TempStr=Replace(TempStr,StartStr,"")
End if
If IncluR=False then
If Instr(OverStr,"|")>0 Then
OverTypeArray=Split(OverStr,"|")
For Tempi=0 To Ubound(OverTypeArray)
TempStr=Replace(TempStr,OverTypeArray(Tempi),"")
Next
Else
TempStr=Replace(TempStr,OverStr,"")
End If
End if
TempStr=Replace(TempStr,"""","")
TempStr=Replace(TempStr,"'","")
Dim RemoteFile,RemoteFileurl,SaveFileName,SaveFileType,ArrSaveFileName,RanNum
If Right(SaveFilePath,1)="/" then
SaveFilePath=Left(SaveFilePath,Len(SaveFilePath)-1)
End If
If SaveTf=True then
If CheckDir2(SaveFilePath)=False Then
If MakeNewsDir2(SaveFilePath)=False Then
SaveTf=False
End If
End If
End If
SaveFilePath=SaveFilePath & "/"
'圖片轉換/保存
TempArray=Split(TempStr,"$Array$")
For Tempi=0 To Ubound(TempArray)
RemoteFileurl=DefiniteUrl(TempArray(Tempi),TistUrl)
If RemoteFileurl<>"$False$" And SaveTf=True Then'保存圖片
ArrSaveFileName = Split(RemoteFileurl,".")
SaveFileType=ArrSaveFileName(Ubound(ArrSaveFileName))'文件類型
RanNum=Int(900*Rnd)+100
SaveFileName = SaveFilePath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&SaveFileType
Call SaveRemoteFile(SaveFileName,RemoteFileurl)
ConStr=Replace(ConStr,TempArray(Tempi),SaveFileName)
ElseIf RemoteFileurl<>"$False$" and SaveTf=False Then'不保存圖片
SaveFileName=RemoteFileUrl
ConStr=Replace(ConStr,TempArray(Tempi),SaveFileName)
End If
If RemoteFileUrl<>"$False$" Then
If UploadFiles="" then
UploadFiles=SaveFileName
Else
UploadFiles=UploadFiles & "|" & SaveFileName
End if
End If
Next
ReplaceSaveRemoteFile=ConStr
End function
'==================================================
'過程名：SaveRemoteFile
'作用：保存遠程的文件到本地
'參數：LocalFileName ------ 本地文件名
'參數：RemoteFileUrl ------ 遠程文件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
'==================================================
'過程名：GetImg
'作用：取得文章中第一張圖片
'參數：str ------ 文章內容
'參數：strpath ------ 保存圖片的路徑
'==================================================
Function GetImg(str,strpath)
set objregEx = new RegExp
objregEx.IgnoreCase = true
objregEx.Global = true
zzstr=""&strpath&"(.+?)\.(jpg|gif|png|bmp)"
objregEx.Pattern = zzstr
set matches = objregEx.execute(str)
for each match in matches
retstr = retstr &"|"& Match.Value
next
if retstr<>"" then
Imglist=split(retstr,"|")
Imgone=replace(Imglist(1),strpath,"")
GetImg=Imgone
else
GetImg=""
end if
end function
%>

以下是例子
程序代碼

復制代碼代碼如下:

<form id="form1" name="form1" method="post" action="?action=test">
<textarea name="body" cols="50" rows="5" id="body">
<img height="180" src="http://cimg2.163.com/cnews/2006/8/21/200608210738371d0a8.jpg" width="240" border="0" />
<img class="left"src="http://news.163.com/img/netease_logo.gif" width="114" />
<img height="60" src="http://cimg2.163.com/cnews/2006/8/18/2006081811465369976.jpg" width="120" border="0" />
<img height="60" alt="中國維和人數大國之首" src="http://cimg2.163.com/cnews/2006/8/18/200608181506554fd8f.jpg" width="120" border="0" />
</textarea>
<input type="submit" name="Submit" value="提交" />
</form>
<%
if request.QueryString("action")="test" then
'圖片開始的字符串
FilesStartStr="src="
'圖片結束的字符串
FilesOverStr="gif|jpg|bmp"
'保存圖片的文件夾
FilesPath="qq"
'取得保存圖片的網站URL 自動判斷是絕對還是相對路徑該例子中圖片是絕對地址所以NEWURL等于沒用如果是../images/123.gif這樣的就需要指定NEWURL了
NewsUrl="http://news.163.com"
'取得文章內容
Content =Request.Form("body")
'開始保存圖片
Content=ReplaceSaveRemoteFile(Content,FilesStartStr,FilesOverStr,False,True,True,FilesPath,NewsUrl)
'對新聞中的第一張圖片創建縮略圖
if GetImg(Content,FilesPath)<>"" then
Imgsrc=GetImg(Content,FilesPath)
Imgsrc=replace(Imgsrc,FilesPath,"")
Set Jpeg = Server.CreateObject("Persits.Jpeg")
Path = Server.MapPath(""&FilesPath&"") & "\"&Imgsrc&""
Jpeg.Open Path
'如果圖片寬小于等于120 高小于等于90 則不創建縮略圖
if Jpeg.OriginalWidth<=120 and Jpeg.Height<=90 then
Jpeg.Width = Jpeg.OriginalWidth
Jpeg.Height = Jpeg.OriginalHeight
Smallimg=FilesPath&""&GetImg(Content,FilesPath)
else
'圖片寬度高度/2
Jpeg.Width = Jpeg.OriginalWidth / 2
Jpeg.Height = Jpeg.OriginalHeight / 2
Jpeg.Save Server.MapPath(""&FilesPath&"") & "\small_"&Imgsrc&""
Smallimg=""&FilesPath&"/small_"&Imgsrc&""
end if
end if
'顯示結果
response.Write("新聞中的第一張圖片是:")
response.Write("<img src="&FilesPath&"/"&GetImg(Content,FilesPath)&">")
response.Write("<br>新聞中的第一張圖片的縮略圖是:")
response.Write("<img src="&Smallimg&">")
response.Write("<br>新的新聞內容（圖片為本地）:<br>")
Response.Write(Content)
Response.End()
end if
%>