'模块 Public Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As SECURITY_ATTRIBUTES, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long Public Declare Function SystemTimeToFileTime Lib "kernel32" (lpSystemTime As SYSTEMTIME, lpFileTime As FILETIME) As Long Public Declare Function SetFileTime Lib "kernel32" (ByVal hFile As Long, lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME) As Long Public Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long Public Type FILETIME dwLowDateTime As Long dwHighDateTime As Long End Type Public Type SECURITY_ATTRIBUTES nLength As Long lpSecurityDescriptor As Long bInheritHandle As Long End Type Public Type SYSTEMTIME wYear As Integer wMonth As Integer wDayOfWeek As Integer wDay As Integer wHour As Integer wMinute As Integer wSecond As Integer wMilliseconds As Integer End Type Public Const GENERIC_READ = &H80000000 Public Const GENERIC_WRITE = &H40000000 Public Const FILE_SHARE_READ = &H1 Public Const FILE_SHARE_WRITE = &H2 Public Const OPEN_EXISTING = 3 Public Const FILE_FLAG_BACKUP_SEMANTICS = &H2000000 Public Const INVALID_HANDLE_VALUE = -1 Public Function SetDirTime(DirName As String, NewTime As SYSTEMTIME) As Boolean Dim hDir As Long Dim lpCreationTime As FILETIME Dim lpLastAccessTime As FILETIME Dim lpLastWriteTime As FILETIME Dim retval As Boolean Dim sAttribute As SECURITY_ATTRIBUTES hDir = CreateFile(DirName, GENERIC_WRITE, FILE_SHARE_READ, sAttribute, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
If hDir = INVALID_HANDLE_VALUE Then SetDirTime = False: Exit Function
retval = SetFileTime(hDir, lpCreationTime, lpLastAccessTime, lpLastWriteTime) CloseHandle (hDir) SetDirTime = retval End Function'窗体 Private Sub Form_Load() Dim NewTime As SYSTEMTIME NewTime.wYear = Year(Now) NewTime.wMonth = Month(Now) NewTime.wDay = Day(Now) NewTime.wDayOfWeek = Weekday(Now) NewTime.wHour = Hour(Now) NewTime.wMinute = Minute(Now) NewTime.wSecond = Second(Now) Call SetDirTime("H:\My Documents", NewTime) End Sub
经过改造,得最后成形的结果如下,与大家一起分享: '模块 Private Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As SECURITY_ATTRIBUTES, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long Private Declare Function SystemTimeToFileTime Lib "kernel32" (lpSystemTime As SYSTEMTIME, lpFileTime As FILETIME) As Long Private Declare Function SetFileTime Lib "kernel32" (ByVal hFile As Long, lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME) As Long Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long Private Declare Function LocalFileTimeToFileTime Lib "kernel32" (lpLocalFileTime As FILETIME, lpFileTime As FILETIME) As LongPrivate Type FILETIME dwLowDateTime As Long dwHighDateTime As Long End Type Private Type SECURITY_ATTRIBUTES nLength As Long lpSecurityDescriptor As Long bInheritHandle As Long End Type Private Type SYSTEMTIME wYear As Integer wMonth As Integer wDayOfWeek As Integer wDay As Integer wHour As Integer wMinute As Integer wSecond As Integer wMilliseconds As Integer End Type Private Const GENERIC_READ = &H80000000 Private Const GENERIC_WRITE = &H40000000 Private Const FILE_SHARE_READ = &H1 Private Const FILE_SHARE_WRITE = &H2 Private Const OPEN_EXISTING = 3 Private Const FILE_FLAG_BACKUP_SEMANTICS = &H2000000 Private Const INVALID_HANDLE_VALUE = -1Public Function SetDirTime(DirName As String, NewTime As Date) As Boolean SetDirTime = False On Error GoTo myError Dim hDir As Long Dim tmpTime As SYSTEMTIME tmpTime.wYear = Year(NewTime) tmpTime.wMonth = Month(NewTime) tmpTime.wDay = Day(NewTime) tmpTime.wDayOfWeek = Weekday(NewTime) tmpTime.wHour = Hour(NewTime) tmpTime.wMinute = Minute(NewTime) tmpTime.wSecond = Second(NewTime) Dim lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME, lptLocalTime As FILETIME Dim retval As Boolean Dim sAttribute As SECURITY_ATTRIBUTES hDir = CreateFile(DirName, GENERIC_WRITE, FILE_SHARE_READ, sAttribute, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
If hDir = INVALID_HANDLE_VALUE Then SetDirTime = False: Exit Function
{
HANDLE hDir; hDir = CreateFile ( // 打开目录的Win32 API调用
DirName,
GENERIC—READ | GENERIC—WRITE, // 必须“写”方式打开
FILE—SHARE—READ|FILE—SHARE—DELETE,NULL,OPEN—EXISTING, // 打开现存的目录
FILE—FLAG—BACKUP—SEMANTICS, // 只有这样才能打开目录
NULL); if (hDir ==INVALID—HANDLE—VALUE )
return FALSE; // 打开失败时返回 FILETIME lpCreationTime;
// creation time目录的创建时间 FILETIME lpLastAccessTime; // last access time最近一次访问目录的时间 FILETIME lpLastWriteTime; // last write time最近一次修改目录的时间 SystemTimeToFileTime(&new—stime, &lpCreationTime); // 转换成文件的时间格式 SystemTimeToFileTime(&new—stime, &lpLastAccessTime); SystemTimeToFileTime(&new—stime, &lpLastWriteTime); BOOL retval = SetFileTime( // 修改目录时间的Win32 API函数调用 hDir, &lpCreationTime,&lpLastAccessTime,&lpLastWriteTime); CloseHandle(hDir); // 关闭目录 return retval; // 返回修改成功与否的返回码 } 帮个忙,翻译成VB,谢谢!
Public Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As SECURITY_ATTRIBUTES, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long
Public Declare Function SystemTimeToFileTime Lib "kernel32" (lpSystemTime As SYSTEMTIME, lpFileTime As FILETIME) As Long
Public Declare Function SetFileTime Lib "kernel32" (ByVal hFile As Long, lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME) As Long
Public Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Public Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type
Public Type SECURITY_ATTRIBUTES
nLength As Long
lpSecurityDescriptor As Long
bInheritHandle As Long
End Type
Public Type SYSTEMTIME
wYear As Integer
wMonth As Integer
wDayOfWeek As Integer
wDay As Integer
wHour As Integer
wMinute As Integer
wSecond As Integer
wMilliseconds As Integer
End Type
Public Const GENERIC_READ = &H80000000
Public Const GENERIC_WRITE = &H40000000
Public Const FILE_SHARE_READ = &H1
Public Const FILE_SHARE_WRITE = &H2
Public Const OPEN_EXISTING = 3
Public Const FILE_FLAG_BACKUP_SEMANTICS = &H2000000
Public Const INVALID_HANDLE_VALUE = -1
Public Function SetDirTime(DirName As String, NewTime As SYSTEMTIME) As Boolean
Dim hDir As Long
Dim lpCreationTime As FILETIME
Dim lpLastAccessTime As FILETIME
Dim lpLastWriteTime As FILETIME
Dim retval As Boolean
Dim sAttribute As SECURITY_ATTRIBUTES
hDir = CreateFile(DirName, GENERIC_WRITE, FILE_SHARE_READ, sAttribute, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
If hDir = INVALID_HANDLE_VALUE Then SetDirTime = False: Exit Function
Call SystemTimeToFileTime(NewTime, lpCreationTime) ' 转换成文件的时间格式
Call SystemTimeToFileTime(NewTime, lpLastAccessTime)
Call SystemTimeToFileTime(NewTime, lpLastWriteTime)
retval = SetFileTime(hDir, lpCreationTime, lpLastAccessTime, lpLastWriteTime)
CloseHandle (hDir)
SetDirTime = retval
End Function'窗体
Private Sub Form_Load()
Dim NewTime As SYSTEMTIME
NewTime.wYear = Year(Now)
NewTime.wMonth = Month(Now)
NewTime.wDay = Day(Now)
NewTime.wDayOfWeek = Weekday(Now)
NewTime.wHour = Hour(Now)
NewTime.wMinute = Minute(Now)
NewTime.wSecond = Second(Now)
Call SetDirTime("H:\My Documents", NewTime)
End Sub
'模块
Private Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As SECURITY_ATTRIBUTES, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long
Private Declare Function SystemTimeToFileTime Lib "kernel32" (lpSystemTime As SYSTEMTIME, lpFileTime As FILETIME) As Long
Private Declare Function SetFileTime Lib "kernel32" (ByVal hFile As Long, lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Declare Function LocalFileTimeToFileTime Lib "kernel32" (lpLocalFileTime As FILETIME, lpFileTime As FILETIME) As LongPrivate Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type
Private Type SECURITY_ATTRIBUTES
nLength As Long
lpSecurityDescriptor As Long
bInheritHandle As Long
End Type
Private Type SYSTEMTIME
wYear As Integer
wMonth As Integer
wDayOfWeek As Integer
wDay As Integer
wHour As Integer
wMinute As Integer
wSecond As Integer
wMilliseconds As Integer
End Type
Private Const GENERIC_READ = &H80000000
Private Const GENERIC_WRITE = &H40000000
Private Const FILE_SHARE_READ = &H1
Private Const FILE_SHARE_WRITE = &H2
Private Const OPEN_EXISTING = 3
Private Const FILE_FLAG_BACKUP_SEMANTICS = &H2000000
Private Const INVALID_HANDLE_VALUE = -1Public Function SetDirTime(DirName As String, NewTime As Date) As Boolean
SetDirTime = False
On Error GoTo myError
Dim hDir As Long
Dim tmpTime As SYSTEMTIME
tmpTime.wYear = Year(NewTime)
tmpTime.wMonth = Month(NewTime)
tmpTime.wDay = Day(NewTime)
tmpTime.wDayOfWeek = Weekday(NewTime)
tmpTime.wHour = Hour(NewTime)
tmpTime.wMinute = Minute(NewTime)
tmpTime.wSecond = Second(NewTime) Dim lpCreationTime As FILETIME, lpLastAccessTime As FILETIME, lpLastWriteTime As FILETIME, lptLocalTime As FILETIME
Dim retval As Boolean
Dim sAttribute As SECURITY_ATTRIBUTES
hDir = CreateFile(DirName, GENERIC_WRITE, FILE_SHARE_READ, sAttribute, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0)
If hDir = INVALID_HANDLE_VALUE Then SetDirTime = False: Exit Function
Call SystemTimeToFileTime(tmpTime, lptLocalTime) ' 转换成文件的时间格式
Call LocalFileTimeToFileTime(lptLocalTime, lpCreationTime)
Call LocalFileTimeToFileTime(lptLocalTime, lpLastAccessTime)
Call LocalFileTimeToFileTime(lptLocalTime, lpLastWriteTime)
retval = SetFileTime(hDir, lpCreationTime, lpLastAccessTime, lpLastWriteTime)
CloseHandle (hDir)
SetDirTime = True
Exit Function
myError:
End Function调用:SetDirTime("D:\tmp", Now) 返回成功与失败,即true或false