常见的中文内码一般有GB2312(简体中文),GBK和台湾那边用的BIG5(繁体中文),有时候看一些台湾编程论坛里的资料,都是乱码,如果在IE中浏览,则要求安装繁体字库的支持。网上也有很多中文内码的转换工具,但是在自己的程序中集成这些功能岂不是更好。Windows中提供了MultiByteToWideChar和WideCharToMultiByte两兄弟函数,足可以搞定这些功能了。
以下四个函数分别实现:
大五码转GBK码/GBK转大五码
GB2312码转GBK码/GBK码转GB2312码
于是有人要问了,为什么没有GB2312转BIG5和BIG5转GB2312呢,我们有GBK,可以做一下中转啊。可以将GB2312转成GBK,再将GBK转成BIG5,反之亦然。如果你嫌麻烦,可以自己写一个GB2BIG5/BIG52GB。
//---------------------------------------------------------------------------
//
大五码转GBK码:
![](/Images/OutliningIndicators/None.gif)
//
い地チ㎝瓣 --> 中華人民共和國
void
__fastcall BIG52GBK(
char
*
szBuf)
![](/Images/OutliningIndicators/None.gif)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
if
(
!
strcmp(szBuf,
""
))
![](/Images/OutliningIndicators/InBlock.gif)
return
;
![](/Images/OutliningIndicators/InBlock.gif)
int
nStrLen
=
strlen(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
wchar_t
*
pws
=
new
wchar_t[nStrLen
+
1
];
![](/Images/OutliningIndicators/InBlock.gif)
try
{
![](/Images/OutliningIndicators/InBlock.gif)
int
nReturn
=
MultiByteToWideChar(
950
,
0
, szBuf, nStrLen, pws, nStrLen
+
1
);
![](/Images/OutliningIndicators/InBlock.gif)
BOOL bValue
=
false
;
![](/Images/OutliningIndicators/InBlock.gif)
nReturn
=
WideCharToMultiByte(
936
,
0
, pws, nReturn, szBuf, nStrLen
+
1
,
"
?
"
,
&
bValue);
![](/Images/OutliningIndicators/InBlock.gif)
szBuf[nReturn]
=
0
;
![](/Images/OutliningIndicators/InBlock.gif)
}
__finally
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
delete[] pws;
![](/Images/OutliningIndicators/InBlock.gif)
}
}
//---------------------------------------------------------------------------
//
GBK转大五码
![](/Images/OutliningIndicators/None.gif)
//
中華人民共和國 --> い地チ㎝瓣
void
__fastcall GBK2BIG5(
char
*
szBuf)
![](/Images/OutliningIndicators/None.gif)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
if
(
!
strcmp(szBuf,
""
))
![](/Images/OutliningIndicators/InBlock.gif)
return
;
![](/Images/OutliningIndicators/InBlock.gif)
int
nStrLen
=
strlen(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
wchar_t
*
pws
=
new
wchar_t[nStrLen
+
1
];
![](/Images/OutliningIndicators/InBlock.gif)
try
{
![](/Images/OutliningIndicators/InBlock.gif)
MultiByteToWideChar(
936
,
0
, szBuf, nStrLen, pws, nStrLen
+
1
);
![](/Images/OutliningIndicators/InBlock.gif)
BOOL bValue
=
false
;
![](/Images/OutliningIndicators/InBlock.gif)
WideCharToMultiByte(
950
,
0
, pws, nStrLen, szBuf, nStrLen
+
1
,
"
?
"
,
&
bValue);
![](/Images/OutliningIndicators/InBlock.gif)
szBuf[nStrLen]
=
0
;
![](/Images/OutliningIndicators/InBlock.gif)
}
__finally
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
delete[] pws;
![](/Images/OutliningIndicators/InBlock.gif)
}
}
//----------------------------------------------------------------------------
//
GB2312码转GBK码
![](/Images/OutliningIndicators/None.gif)
//
中华人民共和国 --> 中華人民共和國
void
__fastcall GB2GBK(
char
*
szBuf)
![](/Images/OutliningIndicators/None.gif)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
if
(
!
strcmp(szBuf,
""
))
![](/Images/OutliningIndicators/InBlock.gif)
return
;
![](/Images/OutliningIndicators/InBlock.gif)
int
nStrLen
=
strlen(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
WORD wLCID
=
MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
![](/Images/OutliningIndicators/InBlock.gif)
int
nReturn
=
LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nStrLen, NULL,
0
);
![](/Images/OutliningIndicators/InBlock.gif)
if
(
!
nReturn)
![](/Images/OutliningIndicators/InBlock.gif)
return
;
![](/Images/OutliningIndicators/InBlock.gif)
char
*
pcBuf
=
new
char
[nReturn
+
1
];
![](/Images/OutliningIndicators/InBlock.gif)
try
{
![](/Images/OutliningIndicators/InBlock.gif)
wLCID
=
MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_PRC);
![](/Images/OutliningIndicators/InBlock.gif)
LCMapString(wLCID, LCMAP_TRADITIONAL_CHINESE, szBuf, nReturn, pcBuf, nReturn
+
1
);
![](/Images/OutliningIndicators/InBlock.gif)
strncpy(szBuf, pcBuf, nReturn);
![](/Images/OutliningIndicators/InBlock.gif)
}
__finally
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
delete[] pcBuf;
![](/Images/OutliningIndicators/InBlock.gif)
}
}
//---------------------------------------------------------------------------
//
GBK码转GB2312码
![](/Images/OutliningIndicators/None.gif)
//
中華人民共和國 --> 中华人民共和国
void
__fastcall GBK2GB(
char
*
szBuf)
![](/Images/OutliningIndicators/None.gif)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
if
(
!
strcmp(szBuf,
""
))
![](/Images/OutliningIndicators/InBlock.gif)
return
;
![](/Images/OutliningIndicators/InBlock.gif)
int
nStrLen
=
strlen(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
WORD wLCID
=
MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
![](/Images/OutliningIndicators/InBlock.gif)
int
nReturn
=
LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nStrLen, NULL,
0
);
![](/Images/OutliningIndicators/InBlock.gif)
if
(
!
nReturn)
![](/Images/OutliningIndicators/InBlock.gif)
return
;
![](/Images/OutliningIndicators/InBlock.gif)
char
*
pcBuf
=
new
char
[nReturn
+
1
];
![](/Images/OutliningIndicators/InBlock.gif)
try
{
![](/Images/OutliningIndicators/InBlock.gif)
wLCID
=
MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_CHINESE_BIG5);
![](/Images/OutliningIndicators/InBlock.gif)
LCMapString(wLCID, LCMAP_SIMPLIFIED_CHINESE, szBuf, nReturn, pcBuf, nReturn
+
1
);
![](/Images/OutliningIndicators/InBlock.gif)
strncpy(szBuf, pcBuf, nReturn);
![](/Images/OutliningIndicators/InBlock.gif)
}
__finally
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
delete []pcBuf;
![](/Images/OutliningIndicators/InBlock.gif)
}
}
//---------------------------------------------------------------------------
//
测试代码
void
__fastcall TForm1::Button1Click(TObject
*
Sender)
![](/Images/OutliningIndicators/None.gif)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
char
szBuf[
255
];
![](/Images/OutliningIndicators/InBlock.gif)
//
从GB2312转到GBK
strcpy(szBuf, Edit1
->
Text.c_str());
![](/Images/OutliningIndicators/InBlock.gif)
GB2GBK(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
Edit2
->
Text
=
String(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
//
从GB2312转到BIG5,通过GBK中转
strcpy(szBuf, Edit1
->
Text.c_str());
![](/Images/OutliningIndicators/InBlock.gif)
GB2GBK(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
GBK2BIG5(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
Edit3
->
Text
=
String(szBuf);
![](/Images/OutliningIndicators/InBlock.gif)
}
注意,请不要使用String类的c_str()作为上述几个函数的传入参数。