std::wstring std::string w2m m2w

static std::wstring m2w(std::string ch, unsigned int CodePage = CP_ACP)
{
    if (ch.empty())return L"";
    std::wstring ret;
    DWORD dwOutSize = ;
    dwOutSize = MultiByteToWideChar(CodePage, , ch.c_str(), -, NULL, );

    ret.resize(dwOutSize - );
    MultiByteToWideChar(CodePage, , ch.c_str(), ch.size(), &ret[], dwOutSize);

    return ret;
}

static std::string w2m(std::wstring wch, unsigned int CodePage = CP_ACP)
{
    std::string ret;
    DWORD dwOutSize = ;
    dwOutSize = WideCharToMultiByte(CodePage, , wch.c_str(), -, NULL, , NULL, FALSE);

    char *pwText = ;
    pwText = new char[dwOutSize];
    pwText[dwOutSize - ] = '\0';

    WideCharToMultiByte(CodePage, , wch.c_str(), wch.size(), pwText, dwOutSize, NULL, FALSE);

    ret = pwText;
    if (pwText)delete[]pwText;

    return ret;
}

std::string name = w2m(m2w(obj->GetName(), CP_UTF8));//转换编码