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  Вопрос: Поиск файла Добавлено: 21.11.03 23:08  

Автор вопроса:  XpoHuk

Как найти файл на компе с определенным расширением, напрмер *.log

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  Ответы Всего ответов: 1  

Номер ответа: 1
Автор ответа:
 Fallout



Вопросов: 10
Ответов: 387
 Web-сайт: mudator.by.ru
 Профиль | | #1
Добавлено: 21.11.03 23:36

'Создай новый проект и засунь на форму кнопку (command1) и лист бокс (list1)

'и 4 текст бокса (text1, text2, text3 and text4).

'в первом тект боксе будет путь с которого начинаем искать например c:\

'во второй текст бокс суй маску *.* если хочешь искать всё или *.log чтоб только

' файлы с расширением "LOG"

'Определяем собсвенно АПи ...

Private Declare Function FindFirstFile Lib "kernel32" Alias "FindFirstFileA" (ByVal lpFileName As String, lpFindFileData As WIN32_FIND_DATA) As Long

Private Declare Function FindNextFile Lib "kernel32" Alias "FindNextFileA" (ByVal hFindFile As Long, lpFindFileData As WIN32_FIND_DATA) As Long

Private Declare Function GetFileAttributes Lib "kernel32" Alias "GetFileAttributesA" (ByVal lpFileName As String) As Long

Private Declare Function FindClose Lib "kernel32" (ByVal hFindFile As Long) As Long

'константы ... из названия думаю понятно....

Const MAX_PATH = 260

Const MAXDWORD = &HFFFF

Const INVALID_HANDLE_VALUE = -1

Const FILE_ATTRIBUTE_ARCHIVE = &H20

Const FILE_ATTRIBUTE_DIRECTORY = &H10

Const FILE_ATTRIBUTE_HIDDEN = &H2

Const FILE_ATTRIBUTE_NORMAL = &H80

Const FILE_ATTRIBUTE_READONLY = &H1

Const FILE_ATTRIBUTE_SYSTEM = &H4

Const FILE_ATTRIBUTE_TEMPORARY = &H100

Private Type FILETIME

dwLowDateTime As Long

dwHighDateTime As Long

End Type

Private 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

Function StripNulls(OriginalStr As String) As String

If (InStr(OriginalStr, Chr(0)) > 0) Then

OriginalStr = Left(OriginalStr, InStr(OriginalStr, Chr(0)) - 1)

End If

StripNulls = OriginalStr

End Function

Function FindFilesAPI(path As String, SearchStr As String, FileCount As Integer, DirCount As Integer)

Dim FileName As String ' Walking filename variable...

Dim DirName As String ' SubDirectory Name

Dim dirNames() As String ' Buffer for directory name entries

Dim nDir As Integer ' Number of directories in this path

Dim i As Integer ' For-loop counter...

Dim hSearch As Long ' Search Handle

Dim WFD As WIN32_FIND_DATA

Dim Cont As Integer

If Right(path, 1) <> "\" Then path = path & "\"

' Search for subdirectories.

nDir = 0

ReDim dirNames(nDir)

Cont = True

hSearch = FindFirstFile(path & "*", WFD)

If hSearch <> INVALID_HANDLE_VALUE Then

Do While Cont

DirName = StripNulls(WFD.cFileName)

' Ignore the current and encompassing directories.

If (DirName <> ".") And (DirName <> "..") Then

' Check for directory with bitwise comparison.

If GetFileAttributes(path & DirName) And FILE_ATTRIBUTE_DIRECTORY Then

dirNames(nDir) = DirName

DirCount = DirCount + 1

nDir = nDir + 1

ReDim Preserve dirNames(nDir)

End If

End If

Cont = FindNextFile(hSearch, WFD) 'Get next subdirectory.

Loop

Cont = FindClose(hSearch)

End If

' Walk through this directory and sum file sizes.

hSearch = FindFirstFile(path & SearchStr, WFD)

Cont = True

If hSearch <> INVALID_HANDLE_VALUE Then

While Cont

FileName = StripNulls(WFD.cFileName)

If (FileName <> ".") And (FileName <> "..") Then

FindFilesAPI = FindFilesAPI + (WFD.nFileSizeHigh * MAXDWORD) + WFD.nFileSizeLow

FileCount = FileCount + 1

List1.AddItem path & FileName

End If

Cont = FindNextFile(hSearch, WFD) ' Get next file

Wend

Cont = FindClose(hSearch)

End If

' If there are sub-directories...

If nDir > 0 Then

' Recursively walk into them...

For i = 0 To nDir - 1

FindFilesAPI = FindFilesAPI + FindFilesAPI(path & dirNames(i) & "\", SearchStr, FileCount, DirCount)

Next i

End If

End Function

Sub Command1_Click()

Dim SearchPath As String, FindStr As String

Dim FileSize As Long

Dim NumFiles As Integer, NumDirs As Integer

Screen.MousePointer = vbHourglass

List1.Clear

SearchPath = Text1.Text

FindStr = Text2.Text

FileSize = FindFilesAPI(SearchPath, FindStr, NumFiles, NumDirs)

Text3.Text = NumFiles & " Files found in " & NumDirs + 1 & " Directories"

Text4.Text = "Size of files found under " & SearchPath & " = " & Format(FileSize, "#,###,###,##0") & " Bytes"

Screen.MousePointer = vbDefault

End Sub

Копирайт

'KPD-Team 1999

'E-Mail: KPDTeam@Allapi.net

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