FileSystemObject 示例代碼_ASP教程

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' FileSystemObject 示例代碼

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'Copyright 1998 Microsoft Corporation。保留所有權利。

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Option Explicit

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以下為引用的內容：

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' 一些容易取得的全局變量

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Dim TabStop

Dim NewLine

Const TestDrive = "C"

Const TestFilePath = "C:Test"

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' 由Drive.DriveType 返回的常數

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Const DriveTypeRemovable = 1

Const DriveTypeFixed = 2

Const DriveTypeNetwork = 3

Const DriveTypeCDROM = 4

Const DriveTypeRAMDisk = 5

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' 由File.Attributes 返回的常數

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Const FileAttrNormal = 0

Const FileAttrReadOnly = 1

Const FileAttrHidden = 2

Const FileAttrSystem = 4

Const FileAttrVolume = 8

Const FileAttrDirectory = 16

Const FileAttrArchive = 32

Const FileAttrAlias = 64

Const FileAttrCompressed = 128

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' 用來打開文件的常數

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Const OpenFileForReading = 1

Const OpenFileForWriting = 2

Const OpenFileForAppending = 8

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' ShowDriveType

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' 目的：

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' 生成一個字符串，來描述給定Drive 對象的驅動器類型。

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' 示範下面的內容

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' - Drive.DriveType

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Function ShowDriveType(Drive)

Dim S

Select Case Drive.DriveType

Case DriveTypeRemovable

S = "Removable"

Case DriveTypeFixed

S = "Fixed"

Case DriveTypeNetwork

S = "Network"

Case DriveTypeCDROM

S = "CD-ROM"

Case DriveTypeRAMDisk

S = "RAM Disk"

Case Else

S = "Unknown"

End Select

ShowDriveType = S

End Function

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' ShowFileAttr

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' 目的：

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' 生成一個字符串，來描述文件或文件夾的屬性。

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' 示範下面的內容

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' - File.Attributes

' - Folder.Attributes

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Function ShowFileAttr(File) ' File 可以是文件或文件夾

Dim S

Dim Attr

Attr = File.Attributes

If Attr = 0 Then

ShowFileAttr = "Normal"

Exit Function

End If

If Attr And FileAttrDirectory Then S = S & "Directory "

If Attr And FileAttrReadOnly Then S = S & "Read-Only "

If Attr And FileAttrHidden Then S = S & "Hidden "

If Attr And FileAttrSystem Then S = S & "System "

If Attr And FileAttrVolume Then S = S & "Volume "

If Attr And FileAttrArchive Then S = S & "Archive "

If Attr And FileAttrAlias Then S = S & "Alias "

If Attr And FileAttrCompressed Then S = S & "Compressed "

ShowFileAttr = S

End Function

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' GenerateDriveInformation

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' 目的：

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' 生成一個字符串，來描述可用驅動器的當前狀態。

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' 示範下面的內容

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' - FileSystemObject.Drives

' - Iterating the Drives collection

' - Drives.Count

' - Drive.AvailableSpace

' - Drive.DriveLetter

' - Drive.DriveType

' - Drive.FileSystem

' - Drive.FreeSpace

' - Drive.IsReady

' - Drive.Path

' - Drive.SerialNumber

' - Drive.ShareName

' - Drive.TotalSize

' - Drive.VolumeName

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Function GenerateDriveInformation(FSO)

Dim Drives

Dim Drive

Dim S

Set Drives = FSO.Drives

S = "Number of drives:" & TabStop & Drives.Count & NewLine & NewLine

' 構造報告的第一行。

S = S & String(2, TabStop) & "Drive"

S = S & String(3, TabStop) & "File"

S = S & TabStop & "Total"

S = S & TabStop & "Free"

S = S & TabStop & "Available"

S = S & TabStop & "Serial" & NewLine

' 構造報告的第二行。

S = S & "Letter"

S = S & TabStop & "Path"

S = S & TabStop & "Type"

S = S & TabStop & "Ready?"

S = S & TabStop & "Name"

S = S & TabStop & "System"

S = S & TabStop & "Space"

S = S & TabStop & "Space"

S = S & TabStop & "Space"

S = S & TabStop & "Number" & NewLine

' 分隔行。

S = S & String(105, "-") & NewLine

For Each Drive In Drives

S = S & Drive.DriveLetter

S = S & TabStop & Drive.Path

S = S & TabStop & ShowDriveType(Drive)

S = S & TabStop & Drive.IsReady

If Drive.IsReady Then

If DriveTypeNetwork = Drive.DriveType Then

S = S & TabStop & Drive.ShareName

Else

S = S & TabStop & Drive.VolumeName

End If

S = S & TabStop & Drive.FileSystem

S = S & TabStop & Drive.TotalSize

S = S & TabStop & Drive.FreeSpace

S = S & TabStop & Drive.AvailableSpace

S = S & TabStop & Hex(Drive.SerialNumber)

End If

S = S & NewLine

Next

GenerateDriveInformation = S

End Function

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' GenerateFileInformation

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' 目的：

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' 生成一個字符串，來描述文件的當前狀態。

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' 示範下面的內容

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' - File.Path

' - File.Name

' - File.Type

' - File.DateCreated

' - File.DateLastAccessed

' - File.DateLastModified

' - File.Size

'

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Function GenerateFileInformation(File)

Dim S

S = NewLine & "Path:" & TabStop & File.Path

S = S & NewLine & "Name:" & TabStop & File.Name

S = S & NewLine & "Type:" & TabStop & File.Type

S = S & NewLine & "Attribs:" & TabStop & ShowFileAttr(File)

S = S & NewLine & "Created:" & TabStop & File.DateCreated

S = S & NewLine & "Accessed:" & TabStop & File.DateLastAccessed

S = S & NewLine & "Modified:" & TabStop & File.DateLastModified

S = S & NewLine & "Size" & TabStop & File.Size & NewLine

GenerateFileInformation = S

End Function

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' GenerateFolderInformation

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' 目的：

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' 生成一個字符串，來描述文件夾的當前狀態。

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' 示範下面的內容

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' - Folder.Path

' - Folder.Name

' - Folder.DateCreated

' - Folder.DateLastAccessed

' - Folder.DateLastModified

' - Folder.Size

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Function GenerateFolderInformation(Folder)

Dim S

S = "Path:" & TabStop & Folder.Path

S = S & NewLine & "Name:" & TabStop & Folder.Name

S = S & NewLine & "Attribs:" & TabStop & ShowFileAttr(Folder)

S = S & NewLine & "Created:" & TabStop & Folder.DateCreated

S = S & NewLine & "Accessed:" & TabStop & Folder.DateLastAccessed

S = S & NewLine & "Modified:" & TabStop & Folder.DateLastModified

S = S & NewLine & "Size:" & TabStop & Folder.Size & NewLine

GenerateFolderInformation = S

End Function

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' GenerateAllFolderInformation

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' 目的：

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' 生成一個字符串，來描述一個文件夾和所有文件及子文件夾的當前狀態。

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' 示範下面的內容

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' - Folder.Path

' - Folder.SubFolders

' - Folders.Count

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Function GenerateAllFolderInformation(Folder)

Dim S

Dim SubFolders

Dim SubFolder

Dim Files

Dim File

S = "Folder:" & TabStop & Folder.Path & NewLine & NewLine

Set Files = Folder.Files

If 1 = Files.Count Then

S = S & "There is 1 file" & NewLine

Else

S = S & "There are " & Files.Count & " files" & NewLine

End If

If Files.Count <> 0 Then

For Each File In Files

S = S & GenerateFileInformation(File)

Next

End If

Set SubFolders = Folder.SubFolders

If 1 = SubFolders.Count Then

S = S & NewLine & "There is 1 sub folder" & NewLine & NewLine

Else

S = S & NewLine & "There are " & SubFolders.Count & " sub folders" & NewLine & NewLine

End If

If SubFolders.Count <> 0 Then

For Each SubFolder In SubFolders

S = S & GenerateFolderInformation(SubFolder)

Next

S = S & NewLine

For Each SubFolder In SubFolders

S = S & GenerateAllFolderInformation(SubFolder)

Next

End If

GenerateAllFolderInformation = S

End Function

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' GenerateTestInformation

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' 目的：

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' 生成一個字符串，來描述C:Test 文件夾和所有文件及子文件夾的當前狀態。

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' 示範下面的內容

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' - FileSystemObject.DriveExists

' - FileSystemObject.FolderExists

' - FileSystemObject.GetFolder

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Function GenerateTestInformation(FSO)

Dim TestFolder

Dim S

If Not FSO.DriveExists(TestDrive) Then Exit Function

If Not FSO.FolderExists(TestFilePath) Then Exit Function

Set TestFolder = FSO.GetFolder(TestFilePath)

GenerateTestInformation = GenerateAllFolderInformation(TestFolder)

End Function

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' DeleteTestDirectory

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' 目的：

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' 清理test 目錄。

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' 示範下面的內容

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' - FileSystemObject.GetFolder

' - FileSystemObject.DeleteFile

' - FileSystemObject.DeleteFolder

' - Folder.Delete

' - File.Delete

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Sub DeleteTestDirectory(FSO)

Dim TestFolder

Dim SubFolder

Dim File

<a name=DeleteFile>

' 有兩種方法可用來刪除文件：

FSO.DeleteFile(TestFilePath &amp; &quot;BeatlesOctopusGarden.txt&quot;)

Set File = FSO.GetFile(TestFilePath &amp; &quot;BeatlesBathroomWindow.txt&quot;)

File.Delete

' 有兩種方法可用來刪除文件夾：

FSO.DeleteFolder(TestFilePath &amp; &quot;Beatles&quot;)

FSO.DeleteFile(TestFilePath &amp; &quot;ReadMe.txt&quot;)

Set TestFolder = FSO.GetFolder(TestFilePath)

TestFolder.Delete

End Sub

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' CreateLyrics

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' 目的：

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' 在文件夾中創建兩個文本文件。

'

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' 示範下面的內容

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' - FileSystemObject.CreateTextFile

' - TextStream.WriteLine

' - TextStream.Write

' - TextStream.WriteBlankLines

' - TextStream.Close

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Sub CreateLyrics(Folder)

Dim TextStream

</a><a name=CreateTextFile>

Set TextStream = Folder.CreateTextFile(&quot;OctopusGarden.txt&quot;)

</a><a name=WriteToFile>

TextStream.Write(&quot;Octopus' Garden &quot;) ' 請注意，該語句不添加換行到文件中。

TextStream.WriteLine(&quot;(by Ringo Starr)&quot;)

TextStream.WriteBlankLines(1)

TextStream.WriteLine(&quot;I'd like to be under the sea in an octopus' garden in the shade,&quot;)

TextStream.WriteLine(&quot;He'd let us in, knows where we've been -- in his octopus' garden in the shade.&quot;)

TextStream.WriteBlankLines(2)

</a><a name=Close>

TextStream.Close

Set TextStream = Folder.CreateTextFile(&quot;BathroomWindow.txt&quot;)

TextStream.WriteLine(&quot;She Came In Through The Bathroom Window (by Lennon/McCartney)&quot;)

TextStream.WriteLine(&quot;&quot;)

TextStream.WriteLine(&quot;She came in through the bathroom window protected by a silver spoon&quot;)

TextStream.WriteLine(&quot;But now she sucks her thumb and wanders by the banks of her own lagoon&quot;)

TextStream.WriteBlankLines(2)

TextStream.Close

End Sub

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' GetLyrics

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' 目的：

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' 顯示lyrics 文件的內容。

'

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' 示範下面的內容

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' - FileSystemObject.OpenTextFile

' - FileSystemObject.GetFile

' - TextStream.ReadAll

' - TextStream.Close

' - File.OpenAsTextStream

' - TextStream.AtEndOfStream

' - TextStream.ReadLine

'

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Function GetLyrics(FSO)

Dim TextStream

Dim S

Dim File

' 有多種方法可用來打開一個文本文件，和多種方法來從文件讀取數據。

' 這兒用了兩種方法來打開文件和讀取文件：

Set TextStream = FSO.OpenTextFile(TestFilePath &amp; &quot;BeatlesOctopusGarden.txt&quot;, OpenFileForReading)

</a><a name=ReadFromFile>

S = TextStream.ReadAll &amp; NewLine &amp; NewLine

TextStream.Close

Set File = FSO.GetFile(TestFilePath &amp; &quot;BeatlesBathroomWindow.txt&quot;)

Set TextStream = File.OpenAsTextStream(OpenFileForReading)

Do While Not TextStream.AtEndOfStream

S = S &amp; TextStream.ReadLine &amp; NewLine

Loop

TextStream.Close

GetLyrics = S

End Function

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' BuildTestDirectory

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' 目的：

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' 創建一個目錄分層結構來示範FileSystemObject。

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' 以這樣的次序來創建分層結構：

'

' C:Test

' C:TestReadMe.txt

' C:TestBeatles

' C:TestBeatlesOctopusGarden.txt

' C:TestBeatlesBathroomWindow.txt

'

'

' 示範下面的內容

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' - FileSystemObject.DriveExists

' - FileSystemObject.FolderExists

' - FileSystemObject.CreateFolder

' - FileSystemObject.CreateTextFile

' - Folders.Add

' - Folder.CreateTextFile

' - TextStream.WriteLine

' - TextStream.Close

'

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</a><a name=FolderInfo>

Function BuildTestDirectory(FSO)

Dim TestFolder

Dim SubFolders

Dim SubFolder

Dim TextStream

' 排除(a)驅動器不存在，或(b)要創建的目錄已經存在的情況。

If Not FSO.DriveExists(TestDrive) Then

BuildTestDirectory = False

Exit Function

End If

If FSO.FolderExists(TestFilePath) Then

BuildTestDirectory = False

Exit Function

End If

Set TestFolder = FSO.CreateFolder(TestFilePath)

Set TextStream = FSO.CreateTextFile(TestFilePath &amp; &quot;ReadMe.txt&quot;)

TextStream.WriteLine(&quot;My song lyrics collection&quot;)

TextStream.Close

Set SubFolders = TestFolder.SubFolders

Set SubFolder = SubFolders.Add(&quot;Beatles&quot;)

CreateLyrics SubFolder

BuildTestDirectory = True

End Function

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' 主程序

'

' 首先，它創建一個test 目錄，以及一些子文件夾和文件。

' 然後，它轉儲有關可用磁盤驅動器和test 目錄的某些信息，

' 最後，清除test 目錄及其所有內容。

'

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Sub Main

Dim FSO

' 設立全局變量。

TabStop = Chr(9)

NewLine = Chr(10)

</a><a name=CreateFSO>

Set FSO = CreateObject(&quot;Scripting.FileSystemObject&quot;)

If Not BuildTestDirectory(FSO) Then

Print &quot;Test directory already exists or cannot be created. Cannot continue.&quot;

Exit Sub

End If

Print GenerateDriveInformation(FSO) &amp; NewLine &amp; NewLine

Print GenerateTestInformation(FSO) &amp; NewLine &amp; NewLine

Print GetLyrics(FSO) &amp; NewLine &amp; NewLine

DeleteTestDirectory(FSO)

End Sub