asp下利用xml打包网站文件

先说一个挺实用的思路：把整个文件夹打包成一个XML文件，然后配合一个解包脚本，就能把文件原样释放出来。这样一来，你完全可以先把整个网站本地打包好，上传到虚拟主机，再运行解包程序，就部署完成了。我在本地测试时只选了少量文件，如果文件数量很多，执行效率如何？这个问题值得实际验证一下。

其实实现原理并不复杂，核心就是利用XML文件可以存储二进制数据这一特性。下面直接上代码，先看解包程序，再看打包程序。

解包文件

复制代码

<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<% Option Explicit %>
<% On Error Resume Next %>
<% Response.Charset="UTF-8" %>
<% Server.ScriptTimeout=99999999 %>







<%
Dim strLocalPath
'得到当前文件夹的物理路径
strLocalPath=Left(Request.ServerVariables("PATH_TRANSLATED"),InStrRev(Request.ServerVariables("PATH_TRANSLATED"),"\"))

Dim objXmlFile
Dim objNodeList
Dim objFSO
Dim objStream
Dim i,j

Set objXmlFile = Server.CreateObject("Microsoft.XMLDOM")
    objXmlFile.load(Server.MapPath("update.xml"))

    If objXmlFile.readyState=4 Then
        If objXmlFile.parseError.errorCode = 0 Then

            Set objNodeList = objXmlFile.documentElement.selectNodes("//folder/path")
            Set objFSO = CreateObject("Scripting.FileSystemObject")

                j=objNodeList.length-1
                For i=0 To j
                    If objFSO.FolderExists(strLocalPath & objNodeList(i).text)=False Then
                        objFSO.CreateFolder(strLocalPath & objNodeList(i).text)
                    End If
                    Response.Write "创建目录" & objNodeList(i).text & "
"
                    Response.Flush
                Next
            Set objFSO = nothing
            Set objNodeList = nothing
            Set objNodeList = objXmlFile.documentElement.selectNodes("//file/path")

                j=objNodeList.length-1
                For i=0 To j
                    Set objStream = CreateObject("ADODB.Stream")
                        With objStream
                            .Type = 1
                            .Open
                            .Write objNodeList(i).nextSibling.nodeTypedvalue
                            .Sa veToFile strLocalPath & objNodeList(i).text,2
                            Response.Write "释放文件" & objNodeList(i).text & "
"
                            Response.Flush
                            .Close
                        End With
                    Set objStream = Nothing
                Next
            Set objNodeList = nothing
        End If
    End If

Set objXmlFile = Nothing

response.write "文件解包完毕"
%>

pack.asp 打包文件

复制代码

<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<% Option Explicit %>
<% On Error Resume Next %>
<% Response.Charset="UTF-8" %>
<% Server.ScriptTimeout=99999999 %>







<%
Dim ZipPathDir,ZipPathFile
Dim startime,endtime
'在此更改要打包文件夹的路径
ZipPathDir = "D:\testasp\dictionary\xmlPacked\scrollColor"'
ZipPathFile = "update.xml"
if right(ZipPathDir,1)<>"\" then ZipPathDir=ZipPathDir&"\"
'开始打包
CreateXml(ZipPathFile)
'遍历目录内的所有文件以及文件夹
sub LoadData(DirPath)
    dim XmlDoc
    dim fso               'fso对象
    dim objFolder         '文件夹对象
    dim objSubFolders     '子文件夹集合
    dim objSubFolder      '子文件夹对象
    dim objFiles          '文件集合
    dim objFile           '文件对象
    dim objStream
    dim pathname,TextStream,pp,Xfolder,Xfpath,Xfile,Xpath,Xstream
    dim PathNameStr
    response.Write("=========="&DirPath&"==========
")
    set fso=server.CreateObject("scripting.filesystemobject")
    set objFolder=fso.GetFolder(DirPath)'创建文件夹对象

    Response.Write DirPath
    Response.flush

    Set XmlDoc = Server.CreateObject("Microsoft.XMLDOM")
    XmlDoc.load Server.MapPath(ZipPathFile)
    XmlDoc.async=false

    '写入每个文件夹路径
    set Xfolder = XmlDoc.SelectSingleNode("//root").AppendChild(XmlDoc.CreateElement("folder"))
    Set Xfpath = Xfolder.AppendChild(XmlDoc.CreateElement("path"))
        Xfpath.text = replace(DirPath,ZipPathDir,"")
        set objFiles=objFolder.Files
            for each objFile in objFiles
                if lcase(DirPath & objFile.name) <> lcase(Request.ServerVariables("PATH_TRANSLATED")) then
                    Response.Write "---
"
                    PathNameStr = DirPath & "" & objFile.name
                    Response.Write PathNameStr & ""
                    Response.flush
                    '================================================
                    '写入文件的路径及文件内容
                    set Xfile = XmlDoc.SelectSingleNode("//root").AppendChild(XmlDoc.CreateElement("file"))
                    Set Xpath = Xfile.AppendChild(XmlDoc.CreateElement("path"))
                        Xpath.text = replace(PathNameStr,ZipPathDir,"")
                    '创建文件流读入文件内容，并写入XML文件中
                    Set objStream = Server.CreateObject("ADODB.Stream")
                    objStream.Type = 1
                    objStream.Open()
                    objStream.LoadFromFile(PathNameStr)
                    objStream.position = 0

                    Set Xstream = Xfile.AppendChild(XmlDoc.CreateElement("stream"))
                        Xstream.SetAttribute "xmlns:dt","urn:schemas-microsoft-com:datatypes"
                        '文件内容采用二制方式存放
                        Xstream.dataType = "bin.base64"
                        Xstream.nodeTypedValue = objStream.Read()

                    set objStream=nothing
                    set Xpath=nothing
                    set Xstream=nothing
                    set Xfile=nothing
                    '================================================
                end if
            next
    Response.Write "
"
    XmlDoc.Sa ve(Server.Mappath(ZipPathFile))
    set Xfpath=nothing
    set Xfolder=nothing
    set XmlDoc=nothing

    '创建的子文件夹对象
    set objSubFolders=objFolder.Subfolders
        '调用递归遍历子文件夹
        for each objSubFolder in objSubFolders
            pathname = DirPath & objSubFolder.name & "\"
            LoadData(pathname)
        next
    set objFolder=nothing
    set objSubFolders=nothing
    set fso=nothing

end sub

'创建一个空的XML文件，为写入文件作准备
sub CreateXml(FilePath)
    '程序开始执行时间
    startime=timer()
    dim XmlDoc,Root
    Set XmlDoc = Server.CreateObject("Microsoft.XMLDOM")
        XmlDoc.async = False
        Set Root = XmlDoc.createProcessingInstruction("xml","version='1.0' encoding='UTF-8'")
        XmlDoc.appendChild(Root)
        XmlDoc.appendChild(XmlDoc.CreateElement("root"))
        XmlDoc.Sa ve(Server.MapPath(FilePath))
        Set Root = Nothing
    Set XmlDoc = Nothing
    LoadData(ZipPathDir)
    '程序结束时间
    endtime=timer()
    response.Write("页面执行时间：" & FormatNumber((endtime-startime),3) & "秒")
end sub
%>