vc++下用什么进行utf8编码 和 解码？

[antimicro]

如题

[goodboyws]

CString Convert(CString str, int sourceCodepage, int targetCodepage)
{
int len=str.GetLength();

int unicodeLen=MultiByteToWideChar(sourceCodepage,0,str,-1,NULL,0);

wchar_t * pUnicode;
pUnicode=new wchar_t[unicodeLen+1];

memset(pUnicode,0,(unicodeLen+1)*sizeof(wchar_t));


MultiByteToWideChar(sourceCodepage,0,str,-1,(LPWSTR)pUnicode,unicodeLen);

BYTE * pTargetData;
int targetLen=WideCharToMultiByte(targetCodepage,0,(LPWSTR)pUnicode,-1,(char *)pTargetData,0,NULL,NULL);

pTargetData=new BYTE[targetLen+1];
memset(pTargetData,0,targetLen+1);

WideCharToMultiByte(targetCodepage,0,(LPWSTR)pUnicode,-1,(char *)pTargetData,targetLen,NULL,NULL);

CString rt;
rt.Format("%s",pTargetData);

delete pUnicode;
delete pTargetData;
return rt;

}
用法
编码
Convert(str,936,CP_UTF8);
解码
Convert(str,CP_UTF8,936);