ZipCompressor

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' Author: WangYe

' Site: http://wangye.org

' This code is distributed under the BSD license

' For more information please visit

' https://wangye.org/blog/archives/767/

' References:

' http://www.techcoil.com/blog/handy-vbscript-functions-for-dealing-with-zip-files-and-folders/

' http://stackoverflow.com/questions/30211/can-windows-built-in-zip-compression-be-scripted

Class ZipCompressor

Private objFileSystemObject

Private objShellApplication

Private objWScriptShell

Private objScriptingDictionary

Private objWMIService

Private COPY_OPTIONS

Private Sub Class_Initialize()

Set objFileSystemObject = WSH.CreateObject("Scripting.FileSystemObject")

Set objShellApplication = WSH.CreateObject("Shell.Application")

Set objWScriptShell = WSH.CreateObject("WScript.Shell")

Set objScriptingDictionary = WSH.CreateObject("Scripting.Dictionary")

Dim strComputer

strComputer = "."

Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")

' COPY_OPTIONS

' 4 Do not display a progress dialog box.

' 16 Respond with "Yes to All" for

' any dialog box that is displayed.

' 512 Do not confirm the creation of a new

' directory if the operation requires one to be created.

' 1024 Do not display a user interface if an error occurs.

COPY_OPTIONS = 4 + 16 + 512 + 1024

End Sub

Private Sub Class_Terminate()

Set objWMIService = Nothing

objScriptingDictionary.RemoveAll

Set objScriptingDictionary = Nothing

Set objWScriptShell = Nothing

Set objShellApplication = Nothing

Set objFileSystemObject = Nothing

End Sub

Private Sub makeEmptyZipFile(pathToZipFile)

Dim file

Set file = objFileSystemObject.CreateTextFile(pathToZipFile)

file.Write Chr(80) & Chr(75) & Chr(5) & Chr(6) & String(18, 0)

file.Close

End Sub

Private Function pathToAbsolute(fileName)

Dim i, file, files

files = Split(fileName, ";")

ReDim tmpFiles(UBound(files))

i = 0

For Each file in files

If file<>"" Then

file = objWScriptShell.ExpandEnvironmentStrings(file)

file = objFileSystemObject.GetAbsolutePathName(file)

tmpFiles(i) = file

i = i+1

End If

If i-1 > 0 And i-1 < UBound(files) Then ReDim Preserve tmpFiles(i-1)

pathToAbsolute = Join(tmpFiles, ";")

Erase tmpFiles

End Function

Private Function pathCombine(fileName, nextFileName)

Dim files, lastIndex

files = Split(fileName, "\")

lastIndex = UBound(files)

If files(lastIndex)<>"" Then

lastIndex = lastIndex + 1

ReDim Preserve files(lastIndex)

End If

files(lastIndex) = nextFileName

pathCombine = Join(files, "\")

Erase files

End Function

Private Function pathSplit(fileName)

Dim fileSplitted(2)

fileSplitted(0) = objFileSystemObject.GetDriveName(fileName)

fileSplitted(2) = objFileSystemObject.GetFileName(fileName)

fileSplitted(1) = Mid(fileName, Len(fileSplitted(0))+1, _

Len(fileName) - Len(fileSplitted(0)) - Len(fileSplitted(2)))

pathSplit = fileSplitted

End Function

Private Function pathSplitForQuery(fileName)

Dim fileSplitted

fileSplitted = pathSplit(fileName)

fileSplitted(1) = Replace(fileSplitted(1), "\", "\\")

If Right(fileSplitted(1), 2) <> "\\" Then

fileSplitted(1) = fileSplitted(1) & "\\"

End If

' http://msdn.microsoft.com/en-us/library/windows/desktop/aa392263(v=vs.85).aspx

fileSplitted(2) = Replace(fileSplitted(2), "_", "[_]")

fileSplitted(2) = Replace(fileSplitted(2), "*", "%")

fileSplitted(2) = Replace(fileSplitted(2), "?", "_")

pathSplitForQuery = fileSplitted

End Function

Private Function buildQuerySQL(fileName)

Dim fileSplitted, file, ext

fileSplitted = pathSplitForQuery(fileName)

Dim lastDotIndex

file = "%" : ext = "%"

If fileSplitted(2)<>"" Then

lastDotIndex = InStrRev(fileSplitted(2), ".")

file = fileSplitted(2)

End If

If lastDotIndex>0 Then

ext = Mid(fileSplitted(2), _

lastDotIndex+1, Len(fileSplitted(2)) - lastDotIndex)

file = Left(fileSplitted(2), Len(fileSplitted(2)) - Len(ext) - 1)

End If

' http://msdn.microsoft.com/en-us/library/windows/desktop/aa387236(v=vs.85).aspx

buildQuerySQL = "SELECT * FROM CIM_DataFile" & _

" WHERE Drive='" & fileSplitted(0) & "' AND" & _

" (FileName LIKE '" & file & "') AND" & _

" (Extension LIKE '" & ext & "') AND" & _

" (Path='" & fileSplitted(1) &"')"

End Function

Private Function deleteFile(fileName)

deleteFile = False

If objFileSystemObject.FileExists(fileName) Then

objFileSystemObject.DeleteFile fileName

deleteFile = True

End If

End Function

Private Sub compress_(ByVal fileName, ByRef zipFile)

Dim objFile, srcFile, srcFiles

srcFiles = Split(fileName, ";")

Dim colFiles

' http://msdn.microsoft.com/en-us/library/bb787866(VS.85).aspx

For Each srcFile In srcFiles

If objFileSystemObject.FolderExists(srcFile) Then

Set objFile = objShellApplication.NameSpace(srcFile)

If Not (objFile Is Nothing) Then

zipFile.CopyHere objFile.Items, COPY_OPTIONS

Do Until objFile.Items.Count <= zipFile.Items.Count

WScript.Sleep(200)

Loop

End If

Set objFile = Nothing

ElseIf objFileSystemObject.FileExists(srcFile) Then

zipFile.CopyHere srcFile, COPY_OPTIONS

WScript.Sleep(200)

Else

Set colFiles = objWMIService.ExecQuery(buildQuerySQL(srcFile))

For Each objFile in colFiles

srcFile = objFile.Name

zipFile.CopyHere srcFile, COPY_OPTIONS

WScript.Sleep(200)

Set colFiles = Nothing

End If

End Sub

Public Sub add(fileName)

objScriptingDictionary.Add pathToAbsolute(fileName), ""

End Sub

' Private Function makeTempDir()

' Dim tmpFolder, tmpName

' tmpFolder = objFileSystemObject.GetSpecialFolder(2)

' tmpName = objFileSystemObject.GetTempName()

' makeTempDir = pathCombine(tmpFolder, tmpName)

' objFileSystemObject.CreateFolder makeTempDir

' End Function

Public Function compress(srcFileName, desFileName)

Dim srcAbsFileName, desAbsFileName

srcAbsFileName = ""

If srcFileName<>"" Then

srcAbsFileName = pathToAbsolute(srcFileName)

End If

desAbsFileName = pathToAbsolute(desFileName)

If objFileSystemObject.FolderExists(desAbsFileName) Then

compress = -1

Exit Function

End If

' That zip file already exists - deleting it.

deleteFile desAbsFileName

makeEmptyZipFile desAbsFileName

Dim zipFile

Set zipFile = objShellApplication.NameSpace(desAbsFileName)

If srcAbsFileName<>"" Then

compress_ srcAbsFileName, zipFile

End If

compress = zipFile.Items.Count

Dim objKeys, i

objKeys = objScriptingDictionary.Keys

For i = 0 To objScriptingDictionary.Count -1

compress_ objKeys(i), zipFile

compress = compress + i

Set zipFile = Nothing

End Function

Public Function decompress(srcFileName, desFileName)

Dim srcAbsFileName, desAbsFileName

srcAbsFileName = pathToAbsolute(srcFileName)

desAbsFileName = pathToAbsolute(desFileName)

If Not objFileSystemObject.FileExists(srcAbsFileName) Then

decompress = -1

Exit Function

End If

If Not objFileSystemObject.FolderExists(desAbsFileName) Then

decompress = -1

Exit Function

End If

Dim zipFile, objFile

Set zipFile = objShellApplication.NameSpace(srcAbsFileName)

Set objFile = objShellApplication.NameSpace(desAbsFileName)

objFile.CopyHere zipFile.Items, COPY_OPTIONS

Do Until zipFile.Items.Count <= objFile.Items.Count

WScript.Sleep(200)

Loop

decompress = objFile.Items.Count

Set objFile = Nothing

Set zipFile = Nothing

End Function

End Class

Dim zip

Set zip = New ZipCompressor

' 方法1 压缩文件

zip.compress "C:\Windows\notepad.exe", "notepad.zip"

' 方法2 压缩文件夹（包含子文件或文件夹）

zip.compress "C:\Windows\System32\drivers\etc", "etc.zip"

' 方法3 使用环境变量及通配符压缩文件

zip.compress "%WINDIR%\*.log", "log.zip"

' 方法4 动态添加压缩

zip.add "*.pdf"

zip.add "C:\Windows\notepad.exe"

zip.add "%WINDIR%\*.log"

zip.add "C:\Windows\System32\drivers\etc"

zip.compress "", "sample.zip"

' 方法5 路径分割方式压缩，以;分割

zip.compress _

"C:\Windows\KB*.log;C:\Windows\Notepad.exe;%WINDIR%\System32\drivers\etc", _

"C:\sample.zip"

Set zip = Nothing

Dim zip

Set zip = New ZipCompressor

' 需要在D盘建立文件夹extract

zip.decompress("sample.zip", "D:\extract")

Set zip = Nothing

原文转自https://wangye.org/blog/archives/767/

山归山

San's Notes & Script Note

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