asp下实现替换远程文件为本地文件并保存远程文件的代码

2019-10-22 10:13asp代码网 ASP教程

1、将下面的文本文件下载,并将.TXT改为remote.asp,里面有具体设置方法

复制代码代码如下:

<%
'添加资源时是否保存远程图片
Const sSaveFileSelect=True

'远程图片保存目录,结尾请不要加“/”
Const sSaveFilePath="/images/News"

'远程图片保存类型
Const sFileExt="jpg|gif|bmp|png"

'/////////////////////////////////////////////////////
'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：
'     sHTML        : 要替换的字符串
'     sSavePath    : 保存文件的路径
'     sExt         : 执行替换的扩展名
Function ReplaceRemoteUrl(sHTML, sSaveFilePath, sFileExt)
    Dim s_Content
    s_Content = sHTML
    If IsObjInstalled("Microsoft.XMLHTTP") = False then
        ReplaceRemoteUrl = s_Content
        Exit Function
    End If

    Dim re, RemoteFile, RemoteFileurl,SaveFileName,SaveFileType,arrSaveFileNameS,arrSaveFileName,sSaveFilePaths
    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}(" & sFileExt & ")))"
    Set RemoteFile = re.Execute(s_Content)
    For Each RemoteFileurl in RemoteFile
        SaveFileType = Replace(Replace(RemoteFileurl,"/", "a"), ":", "a")
        arrSaveFileName = Right(SaveFileType,12)
        sSaveFilePaths=sSaveFilePath & "/"
        SaveFileName = sSaveFilePaths & arrSaveFileName
        Call SaveRemoteFile(SaveFileName, RemoteFileurl)
        s_Content = Replace(s_Content,RemoteFileurl,SaveFileName)
    Next
    ReplaceRemoteUrl = s_Content
End Function

'////////////////////////////////////////
'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
'返回值：True ----成功
'        False ----失败
Sub SaveRemoteFile(s_LocalFileName,s_RemoteFileUrl)
    Dim Ads, Retrieval, GetRemoteData
    On Error Resume Next
    Set Retrieval = Server.CreateObject("Microsoft.XMLHTTP")
    With Retrieval
        .Open "Get", s_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(s_LocalFileName), 2
        .Cancel()
        .Close()
    End With
    Set Ads=nothing
End Sub

'////////////////////////////////////////
'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(s_ClassString)
    On Error Resume Next
    IsObjInstalled = False
    Err = 0
    Dim xTestObj
    Set xTestObj = Server.CreateObject(s_ClassString)
    If 0 = Err Then IsObjInstalled = True
    Set xTestObj = Nothing
    Err = 0
End Function
%>

2、调用方法:


文章入库的地方改成下面的代码

复制代码代码如下:

If sSaveFileSelect=True Then
     Rs("Content")=ReplaceRemoteUrl(ArticleContent,sSaveFilePath,sFileExt)
    Else
     Rs("Content")=ArticleContent
End If