Imports System.IO Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load If Boo_DirExist("F:/dir/") Then MsgBox("存在F:/dir/目录") Else MsgBox("不存在F:/dir/目录") End If If Boo_FileExist("F:/file.txt") Then MsgBox("存在F:/file.txt文件") Else MsgBox("不存在F:/file.txt文件") End If End Sub '判断目录是否存在的函数,传入String值,返回Boolean值 Private Function Boo_DirExist(ByVal Str_Path As String) As Boolean Boo_DirExist = System.IO.Directory.Exists(Str_Path) End Function '判断文件是否存在的函数, 传入String值,返回Boolean值 Private Function Boo_FileExist(ByVal Str_File As String) As Boolean Boo_FileExist = System.IO.File.Exists(Str_File) End Function End Class |
转载请注明:vs2010» vb.net判断文件或者文件夹是否存在源码
标签: