推薦:如何製作登陸驗證頁面用戶登錄驗證腳本,Chkpwd.asp 以下為引用的內容:% '=======用戶登錄驗證腳本======= '如果尚未定義Passed對象,則將其定義為false,表示沒有
在本節描述的示例代碼,提供真實的例子來示範在FileSystemObject 對像模式中可用的許多功能。該代碼顯示瞭如何一起使用對像模式的所有功能,以及如何在您自己的代碼中有效地使用這些功能。
請注意,由於該代碼是極一般的,所以要使該代碼能夠真正在您的機器上運行,可能需要一些其他代碼和小小的變更。這些改變之所以必要,是因為在Active Server Pages 和Windows Scripting Host 之間,為輸入和輸出給用戶採用了不同的方法。
要在Active Server Pages 上運行該代碼,則採取以下步驟:
創建一個標準的Web 頁,後綴名為.asp。
把下面的示例代碼複製到<BODY>...</BODY> 標記之間的文件中。
把所有代碼封裝到<%...%> 標記內。
把Option Explicit 語句從當前位置移動到HTML 頁的最頂部,甚至在<HTML> 開始標記前。
把<%...%> 標記放置在Option Explicit 語句周圍,以保證它在服務器端運行。
把下面的代碼添加到示例代碼末尾:
Sub Print(x) Response.Write <PRE><FONT face=宋體SIZE=1> Response.Write x Response.Write </FONT></PRE> End Sub Main
前面的代碼增加一個將在服務器端運行,但在客戶端顯示結果的打印過程。要在Windows Scripting Host 上運行該代碼,則把下面的代碼添加到示例代碼的末尾:
Sub Print(x) WScript.Echo x End Sub Main
下面就是示例代碼:
| 以下為引用的內容: -------------------------------------------------- ------------------------------ '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''' ' ' FileSystemObject 示例代碼 ' 'Copyright 1998 Microsoft Corporation。保留所有權利。 ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' Option Explicit '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' |
' 對於代碼質量:
'
' 1) 下面的代碼有許多字符串操作,用"&"運算符來把短字符串連接在一起。由於
' 字符串連接是費時的,所以這是一種低效率的寫代碼方法。無論如何,它是
' 一種非常好維護的寫代碼方法,並且在這兒使用了這種方法,因為該程序執行
' 大量的磁盤操作,而磁盤操作比連接字符串所需的內存操作要慢得多。
' 記住這是示范代碼,而不是產品代碼。
'
' 2) 使用了"Option Explicit",因為訪問聲明過的變量,比訪問未聲明的變量要
' 稍微快一些。它還能阻止在代碼中發生錯誤,例如,把DriveTypeCDROM 誤拼
' 成了DriveTypeCDORM 。
'
' 3) 為了使代碼更可讀,該代碼中沒有錯誤處理。雖然採取了防範措施,來保證代碼
' 在普通情況下沒有錯誤,但文件系統是不可預知的。在產品代碼中,使用
' On Error Resume Next 和Err 對象來捕獲可能發生的錯誤。
以下為引用的內容: ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' 一些容易取得的全局變量 ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' Dim TabStop Dim NewLine Const TestDrive = "C" Const TestFilePath = "C:Test" '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' 由Drive.DriveType 返回的常數 ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' Const DriveTypeRemovable = 1 Const DriveTypeFixed = 2 Const DriveTypeNetwork = 3 Const DriveTypeCDROM = 4 Const DriveTypeRAMDisk = 5 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' 由File.Attributes 返回的常數 ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' 用來打開文件的常數 ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' Const OpenFileForReading = 1 Const OpenFileForWriting = 2 Const OpenFileForAppending = 8 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' ShowDriveType ' ' 目的: ' ' 生成一個字符串,來描述給定Drive 對象的驅動器類型。 ' ' 示範下面的內容 ' ' - Drive.DriveType ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' ShowFileAttr ' ' 目的: ' ' 生成一個字符串,來描述文件或文件夾的屬性。 ' ' 示範下面的內容 ' ' - File.Attributes ' - Folder.Attributes ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' GenerateDriveInformation ' ' 目的: ' ' 生成一個字符串,來描述可用驅動器的當前狀態。 ' ' 示範下面的內容 ' ' - 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 ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' GenerateFileInformation ' ' 目的: ' ' 生成一個字符串,來描述文件的當前狀態。 ' ' 示範下面的內容 ' ' - File.Path ' - File.Name ' - File.Type ' - File.DateCreated ' - File.DateLastAccessed ' - File.DateLastModified ' - File.Size ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' GenerateFolderInformation ' ' 目的: ' ' 生成一個字符串,來描述文件夾的當前狀態。 ' ' 示範下面的內容 ' ' - Folder.Path ' - Folder.Name ' - Folder.DateCreated ' - Folder.DateLastAccessed ' - Folder.DateLastModified ' - Folder.Size ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' GenerateAllFolderInformation ' ' 目的: ' ' 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。 ' ' 示範下面的內容 ' ' - Folder.Path ' - Folder.SubFolders ' - Folders.Count ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' GenerateTestInformation ' ' 目的: ' ' 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。 ' ' 示範下面的內容 ' ' - FileSystemObject.DriveExists ' - FileSystemObject.FolderExists ' - FileSystemObject.GetFolder ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' DeleteTestDirectory ' ' 目的: ' ' 清理test 目錄。 ' ' 示範下面的內容 ' ' - FileSystemObject.GetFolder ' - FileSystemObject.DeleteFile ' - FileSystemObject.DeleteFolder ' - Folder.Delete ' - File.Delete ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 & "BeatlesOctopusGarden.txt") Set File = FSO.GetFile(TestFilePath & "BeatlesBathroomWindow.txt") File.Delete ' 有兩種方法可用來刪除文件夾: FSO.DeleteFolder(TestFilePath & "Beatles") FSO.DeleteFile(TestFilePath & "ReadMe.txt") Set TestFolder = FSO.GetFolder(TestFilePath) TestFolder.Delete End Sub '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' CreateLyrics ' ' 目的: ' ' 在文件夾中創建兩個文本文件。 ' ' ' 示範下面的內容 ' ' - FileSystemObject.CreateTextFile ' - TextStream.WriteLine ' - TextStream.Write ' - TextStream.WriteBlankLines ' - TextStream.Close ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' Sub CreateLyrics(Folder) Dim TextStream </a><a name=CreateTextFile> Set TextStream = Folder.CreateTextFile("OctopusGarden.txt") </a><a name=WriteToFile> TextStream.Write("Octopus' Garden ") ' 請注意,該語句不添加換行到文件中。 TextStream.WriteLine("(by Ringo Starr)") TextStream.WriteBlankLines(1) TextStream.WriteLine("I'd like to be under the sea in an octopus' garden in the shade,") TextStream.WriteLine("He'd let us in, knows where we've been -- in his octopus' garden in the shade.") TextStream.WriteBlankLines(2) </a><a name=Close> TextStream.Close Set TextStream = Folder.CreateTextFile("BathroomWindow.txt") TextStream.WriteLine("She Came In Through The Bathroom Window (by Lennon/McCartney)") TextStream.WriteLine("") TextStream.WriteLine("She came in through the bathroom window protected by a silver spoon") TextStream.WriteLine("But now she sucks her thumb and wanders by the banks of her own lagoon") TextStream.WriteBlankLines(2) TextStream.Close End Sub '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' GetLyrics ' ' 目的: ' ' 顯示lyrics 文件的內容。 ' ' ' 示範下面的內容 ' ' - FileSystemObject.OpenTextFile ' - FileSystemObject.GetFile ' - TextStream.ReadAll ' - TextStream.Close ' - File.OpenAsTextStream ' - TextStream.AtEndOfStream ' - TextStream.ReadLine ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' 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 & "BeatlesOctopusGarden.txt", OpenFileForReading) </a><a name=ReadFromFile> S = TextStream.ReadAll & NewLine & NewLine TextStream.Close Set File = FSO.GetFile(TestFilePath & "BeatlesBathroomWindow.txt") Set TextStream = File.OpenAsTextStream(OpenFileForReading) Do While Not TextStream.AtEndOfStream S = S & TextStream.ReadLine & NewLine Loop TextStream.Close GetLyrics = S End Function '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' BuildTestDirectory ' ' 目的: ' ' 創建一個目錄分層結構來示範FileSystemObject。 ' ' 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 ' ' - FileSystemObject.DriveExists ' - FileSystemObject.FolderExists ' - FileSystemObject.CreateFolder ' - FileSystemObject.CreateTextFile ' - Folders.Add ' - Folder.CreateTextFile ' - TextStream.WriteLine ' - TextStream.Close ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' </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 & "ReadMe.txt") TextStream.WriteLine("My song lyrics collection") TextStream.Close Set SubFolders = TestFolder.SubFolders Set SubFolder = SubFolders.Add("Beatles") CreateLyrics SubFolder BuildTestDirectory = True End Function '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' ' ' 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。 ' '''''''''''''''''''''''''''''''''''''''''''''''''' '''''''''''''''''''''' Sub Main Dim FSO ' 設立全局變量。 TabStop = Chr(9) NewLine = Chr(10) </a><a name=CreateFSO> Set FSO = CreateObject("Scripting.FileSystemObject") If Not BuildTestDirectory(FSO) Then Print "Test directory already exists or cannot be created. Cannot continue." Exit Sub End If Print GenerateDriveInformation(FSO) & NewLine & NewLine Print GenerateTestInformation(FSO) & NewLine & NewLine Print GetLyrics(FSO) & NewLine & NewLine DeleteTestDirectory(FSO) End Sub |
分享:解讀asp的RegExp對象正則表達式功能用法RegExp對象提供簡單的正則表達式支持功能。 RegExp對象的用法: 以下為引用的內容: Function RegExpTest(patrn, strng) Dim re