Private Const CP_ACP = 0 ' default to ANSI code page
Private Const CP_UTF8 = 65001 ' default to UTF-8 code page
Private Declare Function MultiByteToWideChar Lib "kernel32" (ByVal CodePage As Long, ByVal dwFlags As Long, ByVal lpMultiByteStr As Long, ByVal cchMultiByte As Long, ByVal lpWideCharStr As Long, ByVal cchWideChar As Long) As Long
Private Declare Function WideCharToMultiByte Lib "kernel32" (ByVal CodePage As Long, ByVal dwFlags As Long, ByVal lpWideCharStr As Long, ByVal cchWideChar As Long, ByVal lpMultiByteStr As Long, ByVal cchMultiByte As Long, ByVal lpDefaultChar As Long, ByVal lpUsedDefaultChar As Long) As Long
Private Function EncodeToBytes(ByVal sData As String) As Byte() ' Note: Len(sData) > 0
Dim aRetn() As Byte
Dim nSize As Long
nSize = WideCharToMultiByte(CP_UTF8, 0, StrPtr(sData), -1, 0, 0, 0, 0)
ReDim aRetn(0 To nSize - 1) As Byte
WideCharToMultiByte CP_UTF8, 0, StrPtr(sData), -1, VarPtr(aRetn(0)), nSize, 0, 0
EncodeToBytes = aRetn
End Function
Private Function DecodeToBytes(ByVal sData As String) As Byte() ' Note: Len(sData) > 0
Dim aRetn() As Byte
Dim nSize As Long
nSize = MultiByteToWideChar(CP_UTF8, 0, StrPtr(sData), -1, 0, 0)
ReDim aRetn(0 To 2 * nSize - 1) As Byte
MultiByteToWideChar CP_UTF8, 0, StrPtr(sData), -1, VarPtr(aRetn(0)), nSize
DecodeToBytes = aRetn
End Function
Private Sub Command1_Click()
Dim a(), i As Long
Open "c:\a.txt" For Input As #1
Do While Not EOF(1)
ReDim Preserve a(i)
Input #1, a(i)
i = i + 1
Loop
Close #1
MsgBox a(0)
MsgBox DecodeToBytes(StrConv(a(0), vbFromUnicode))
End Sub
资料:
http://topic.csdn.net/t/20060925/11/5045535.htmlhttp://topic.csdn.net/t/20051002/15/4305498.htmlhttp://topic.csdn.net/t/20050504/19/3983484.htmlhttp://www.google.com/search?q=VB+UTF-8参考资料:http://topic.csdn.net/t/20060925/11/5045535.html