VB 中UTF8字串(中英文)转GB3212或ASNI没有完全准确的办法吗
求教:VB 中UTF8字串(中英文)转GB3212或ASNI没有完全准确的办法吗?
现在越来越多的网页用UTF8编码。
对于UTF8编码转换成GBK、或asni、GBK等VB能识别的的字符,是否有好办法?
我也查了不少方法能转,但仍有乱码!不是很准确,有没有转换无误的!
大家给指点个代码吧!
------解决方案--------------------
Option Explicit
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 Const CP_ACP = 0 ' default to ANSI code page
Private Const CP_UTF8 = 65001 ' default to UTF-8 code page
'字符转 UTF8
Public 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) - 1
If nSize = 0 Then Exit Function
ReDim aRetn(0 To nSize - 1) As Byte
WideCharToMultiByte CP_UTF8, 0, StrPtr(sData), -1, VarPtr(aRetn(0)), nSize, 0, 0
EncodeToBytes = aRetn
Erase aRetn
End Function
' UTF8 转字符
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) - 1
If nSize = 0 Then Exit Function
ReDim aRetn(0 To 2 * nSize - 1) As Byte
MultiByteToWideChar CP_UTF8, 0, StrPtr(sData), -1, VarPtr(aRetn(0)), nSize
DecodeToBytes = aRetn
Erase aRetn
End Function
------解决方案--------------------
请qq:369454807 跟我联系!
------解决方案--------------------
DecodeToBytes(UTF8字符串)
返回的是一个Ansi或者GB的Byte数组,你再转回string不就可以了
现在越来越多的网页用UTF8编码。
对于UTF8编码转换成GBK、或asni、GBK等VB能识别的的字符,是否有好办法?
我也查了不少方法能转,但仍有乱码!不是很准确,有没有转换无误的!
大家给指点个代码吧!
------解决方案--------------------
Option Explicit
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 Const CP_ACP = 0 ' default to ANSI code page
Private Const CP_UTF8 = 65001 ' default to UTF-8 code page
'字符转 UTF8
Public 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) - 1
If nSize = 0 Then Exit Function
ReDim aRetn(0 To nSize - 1) As Byte
WideCharToMultiByte CP_UTF8, 0, StrPtr(sData), -1, VarPtr(aRetn(0)), nSize, 0, 0
EncodeToBytes = aRetn
Erase aRetn
End Function
' UTF8 转字符
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) - 1
If nSize = 0 Then Exit Function
ReDim aRetn(0 To 2 * nSize - 1) As Byte
MultiByteToWideChar CP_UTF8, 0, StrPtr(sData), -1, VarPtr(aRetn(0)), nSize
DecodeToBytes = aRetn
Erase aRetn
End Function
------解决方案--------------------
请qq:369454807 跟我联系!
------解决方案--------------------
DecodeToBytes(UTF8字符串)
返回的是一个Ansi或者GB的Byte数组,你再转回string不就可以了