If iIndex > 0 Then
For i = 1 To iIndex
sDirTraversal sSubDir(i), objList
Next
End If
End Sub
---- 利 用 以 上 遍 历 方 法， 读 者 可 以 根 据 数 据 类 型WIN32_FIND_DATA 的dwFileAttributes、ftCreationTime、ftLastAccessTime、ftLastWriteTime 元 素 来 扩 充 文 件 查 询 功 能（ 按 文 件 属 性、 创 建 日 期、 最 后 修 改 日 期、 最 后 访 问 日 期 等 不 同 条 件 的 查 询）。
完 整 代 码 :
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'API函数的声明、常量、自定义数据类型
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'API函数的声明
Public Declare Function FindFirstFile Lib "kernel32" Alias "FindFirstFileA" (ByVal lpFileName As String, lpFindFileData As WIN32_FIND_DATA) As Long
Public Declare Function FindNextFile Lib "kernel32" Alias "FindNextFileA" (ByVal hFindFile As Long, lpFindFileData As WIN32_FIND_DATA) As Long
Public Declare Function FindClose Lib "kernel32" (ByVal hFindFile As Long) As Long
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'最大路径长度和文件属性常量的定义
Public Const MAX_PATH = 260
Public Const FILE_ATTRIBUTE_ARCHIVE = &H20
Public Const FILE_ATTRIBUTE_COMPRESSED = &H800
Public Const FILE_ATTRIBUTE_DIRECTORY = &H10
Public Const FILE_ATTRIBUTE_HIDDEN = &H2
Public Const FILE_ATTRIBUTE_NORMAL = &H80
Public Const FILE_ATTRIBUTE_READONLY = &H1
Public Const FILE_ATTRIBUTE_SYSTEM = &H4
Public Const FILE_ATTRIBUTE_TEMPORARY = &H100
'自定义数据类型FILETIME和WIN32_FIND_DATA的定义
Public Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type
Public Type WIN32_FIND_DATA
dwFileAttributes As Long
ftCreationTime As FILETIME
ftLastAccessTime As FILETIME
ftLastWriteTime As FILETIME
nFileSizeHigh As Long
nFileSizeLow As Long
dwReserved0 As Long
dwReserved1 As Long
cFileName As String * MAX_PATH
cAlternate As String * 14
End Type
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'去掉固定长度字符串右边的NULL字符(ASCII值为0)和SPACE字符(ASCII值为32)函数
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Public Function fDelInvaildChr(str As String) As String
On Error Resume Next
For i = Len(str) To 1 Step -1
If Asc(Mid(str, i, 1)) <> 0 And Asc(Mid(str, i, 1)) <> 32 Then
fDelInvaildChr = Left(str, i)
Exit For
End If
Next
End Function
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'遍历主函数
'参数说明:
' strPathName 要遍历的目录
' objList 使用VB的内部控件ListBox来存放遍历得到的路径，之所以
' 不使用字符串数组是因为数组大小不好定义
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Public Sub sDirTraversal(ByVal strPathName As String, ByRef objList As ListBox)
Dim sSubDir(200) As String '存放当前目录下的子目录,下标可根据需要调整
Dim iIndex As Integer '子目录数组下标
Dim i As Integer '用于循环子目录的查找
Dim lHandle As Long 'FindFirstFileA 的句柄
Dim tFindData As WIN32_FIND_DATA '
Dim strFileName As String '文件名
On Error Resume Next
'初始化变量
i = 1
iIndex = 0
tFindData.cFileName = "" '初始化定长字符串
lHandle = FindFirstFile(strPathName & "\*.*", tFindData)
If lHandle = 0 Then '查询结束或发生错误
Exit Sub
End If
strFileName = fDelInvaildChr(tFindData.cFileName)
If tFindData.dwFileAttributes = &H10 Then '目录
If strFileName <> "." And strFileName <> ".." Then
iIndex = iIndex 1
sSubDir(iIndex) = strPathName & "\" & strFileName '添加到目录数组
End If
Else
objList.AddItem strPathName & "\" & strFileName
End If
'循环查找下一个文件，直到结束
Do While True
tFindData.cFileName = ""
If FindNextFile(lHandle, tFindData) = 0 Then '查询结束或发生错误
FindClose (lHandle)
Exit Do
Else
strFileName = fDelInvaildChr(tFindData.cFileName)
If tFindData.dwFileAttributes = &H10 Then
If strFileName <> "." And strFileName <> ".." Then
iIndex = iIndex 1
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