//MFC版本
CString UTF8ToGBK(const CString&
strUTF8)
{
//确定转换为Unicode需要多少缓冲区(返回值也包含了最后一个NULL字符)
int len =
MultiByteToWideChar(CP_UTF8, 0, strUTF8, -1, NULL, 0);
unsigned short *
wszGBK = new unsigned short[len + 1];
memset(wszGBK, 0, len * 2 +
2);
MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)strUTF8, -1, (LPWSTR)wszGBK,
len);
len = WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)wszGBK, -1, NULL, 0, NULL,
NULL);
char *szGBK = new char[len + 1];
memset(szGBK, 0, len +
1);
WideCharToMultiByte(CP_ACP,0, (LPCWSTR)wszGBK, -1, szGBK, len, NULL,
NULL);
CString
gbkCString(szGBK);
delete[]szGBK;
delete[]wszGBK;
return
gbkCString;
}
//C++标准版本
std::string GBKToUTF8(const std::string&
strGBK)
{
std::string strOutUTF8 =
"";
WCHAR * str1;
int n =
MultiByteToWideChar(CP_ACP, 0, strGBK.c_str(), -1, NULL,
0);
str1 = new
WCHAR[n];
MultiByteToWideChar(CP_ACP, 0, strGBK.c_str(),
-1, str1, n);
n = WideCharToMultiByte(CP_UTF8, 0, str1,
-1, NULL, 0, NULL, NULL);
char * str2 = new
char[n];
WideCharToMultiByte(CP_UTF8, 0, str1, -1, str2,
n, NULL, NULL);
strOutUTF8 =
str2;
delete[]str1;
str1 =
NULL;
delete[]str2;
str2 =
NULL;
return
strOutUTF8;
}
UTF8-GBK WideCharToMultiByte MultiByteToWideChar,布布扣,bubuko.com
UTF8-GBK WideCharToMultiByte MultiByteToWideChar
原文：http://www.cnblogs.com/coolbear/p/3718892.html