VB.NET 在指定文件夹查找文件 类似的文件
转自CSDN
''Invoke : funcSearchFile("e:\flash", "*bb*cc*.*")
'参数说明：dir 路径名称,fileName 待查找类似文件名称
Private Function funcSearchFile(ByVal dir As String, ByVal fileName As String) As Boolean
If Not dir.LastIndexOf("\") = dir.Length - 1 Then
dir = dir & "\"
End If
Dim files() As String
Try
files = System.IO.Directory.GetFiles(dir)
Catch ex As Exception
MessageBox.Show(ex.Message.ToString, "出错信息")
Return False
End Try
For Each s As String In files
If funcCompareFileName(fileName, s, True) Then
Console.WriteLine(s)
End If
Next
Dim folders() As String
folders = System.IO.Directory.GetDirectories(dir)
For Each s2 As String In folders
funcSearchFile(s2, fileName)
Next
End Function
Private Function funcCompareFileName(ByVal searchFile As String, ByVal dirFile As String, ByVal First As Boolean) As Boolean
Dim searchFile2 As String = searchFile '备份
Dim dirFile2 As String '备份
dirFile2 = IIf(dirFile.IndexOf("\") >= 0, dirFile.Substring(dirFile.LastIndexOf("\") + 1), dirFile)
''全体文件
If searchFile2 = "*.*" Then
Return True
End If
Dim kk As Integer
Dim fileName As String
Dim col As New Collection
If searchFile2.IndexOf("*") > 0 Then
fileName = searchFile2
If First Then '是否是第一次比较该文件
If fileName.Substring(0, fileName.IndexOf("*")) <> dirFile2.Substring(0, fileName.IndexOf("*")) Then
Return False
End If
End If
While fileName.IndexOf("*") >= 0
kk = dirFile.IndexOf(fileName.Substring(0, fileName.IndexOf("*")))
If kk >= 0 Then
If kk - searchFile.IndexOf("*") >= -1 Then
fileName = fileName.Substring(fileName.IndexOf("*") + 1)
col.Add(kk)
Else
Return False
End If
Else
Return False
End If
End While
''判断所有的匹配是否按升序排列
Dim i As Integer
For i = 1 To col.Count
If i > 1 Then
If col(i) < col(i - 1) Then
Return False
End If
End If
Next
Return True
ElseIf searchFile2.IndexOf("*") = 0 Then
Return funcCompareFileName(searchFile2.Substring(1, searchFile2.Length - 1), dirFile2, False)
Else '完整匹配文件名称
If searchFile2 = dirFile2 Then
Return True
Else
Return False
End If
End If
End Function