📅  最后修改于: 2023-12-03 15:26:12.959000             🧑  作者: Mango
VBA的文件系统对象(FileSystemObject)是一个非常强大的工具,它允许开发人员在VBA中使用文件系统交互。通过FileSystemObject,程序员可以轻松地创建、复制、重命名、移动、打开和关闭文件或文件夹,以及检查它们的属性,如大小、类型和日期。
要使用FileSystemObject,首先需要对其进行引用。可以使用以下步骤进行引用:
现在,FileSystemObject就可以在VBA代码中使用了。
创建FileSystemObject对象的代码示例:
Dim fso As FileSystemObject
Set fso = New FileSystemObject
下面是创建文件夹的代码示例:
Dim fso As FileSystemObject
Dim folderPath As String
folderPath = "C:\Temp\NewFolder"
' 检查文件夹是否存在
If Dir(folderPath, vbDirectory) = "" Then
' 创建文件夹
Set fso = New FileSystemObject
fso.CreateFolder folderPath
End If
下面是创建文件的代码示例:
Dim fso As FileSystemObject
Dim filepath As String
filepath = "C:\Temp\MyFile.txt"
' 检查文件是否存在
If Dir(filepath) = "" Then
' 创建文件
Set fso = New FileSystemObject
fso.CreateTextFile filepath
End If
下面是将文件或文件夹移动到一个新位置的代码示例:
Dim fso As FileSystemObject
Dim source As String
Dim destination As String
source = "C:\Temp\MyFile.txt"
destination = "C:\Temp\NewFolder\MyFile.txt"
' 检查文件是否存在
If Dir(source) <> "" Then
' 移动文件
Set fso = New FileSystemObject
fso.MoveFile source, destination
End If
Dim fso As FileSystemObject
Dim source As String
Dim destination As String
source = "C:\Temp\MyFolder"
destination = "C:\Temp\NewFolder\MyFolder"
' 检查文件夹是否存在
If Dir(source, vbDirectory) <> "" Then
' 移动文件夹
Set fso = New FileSystemObject
fso.MoveFolder source, destination
End If
下面是删除文件或文件夹的代码示例:
Dim fso As FileSystemObject
Dim filepath As String
filepath = "C:\Temp\MyFile.txt"
' 检查文件是否存在
If Dir(filepath) <> "" Then
' 删除文件
Set fso = New FileSystemObject
fso.DeleteFile filepath
End If
Dim fso As FileSystemObject
Dim folderPath As String
folderPath = "C:\Temp\MyFolder"
' 检查文件夹是否存在
If Dir(folderPath, vbDirectory) <> "" Then
' 删除文件夹
Set fso = New FileSystemObject
fso.DeleteFolder folderPath
End If
下面是检索文件或文件夹属性的代码示例:
Dim fso As FileSystemObject
Dim filepath As String
Dim file As File
filepath = "C:\Temp\MyFile.txt"
' 检查文件是否存在
If Dir(filepath) <> "" Then
' 检索文件属性
Set fso = New FileSystemObject
Set file = fso.GetFile(filepath)
Debug.Print "文件名称:" & file.Name
Debug.Print "文件路径:" & file.Path
Debug.Print "文件大小:" & file.Size
Debug.Print "文件类型:" & file.Type
Debug.Print "文件最后修改:" & file.DateLastModified
End If
Dim fso As FileSystemObject
Dim folderPath As String
Dim folder As Folder
folderPath = "C:\Temp\MyFolder"
' 检查文件夹是否存在
If Dir(folderPath, vbDirectory) <> "" Then
' 检索文件夹属性
Set fso = New FileSystemObject
Set folder = fso.GetFolder(folderPath)
Debug.Print "文件夹名称:" & folder.Name
Debug.Print "文件夹路径:" & folder.Path
Debug.Print "文件夹大小:" & folder.Size
Debug.Print "文件夹最后修改:" & folder.DateLastModified
End If
可以使用FileSystemObject对象的属性修改文件或文件夹的属性。例如,下面的代码示例演示如何修改一个文件的日期属性:
Dim fso As FileSystemObject
Dim filepath As String
Dim file As File
filepath = "C:\Temp\MyFile.txt"
' 检查文件是否存在
If Dir(filepath) <> "" Then
' 修改文件最后修改的日期
Set fso = New FileSystemObject
Set file = fso.GetFile(filepath)
file.DateLastModified = Now
End If
通过FileSystemObject,VBA程序员可以轻松地管理文件和文件夹,检索它们的属性,并进行各种操作。FileSystemObject是VBA编程的必备工具之一,可以极大地提高生产力和效率。