//wchar_t转string

std::string a031::Wchar_tToString(wchar_t *wchar)

{

    std::string szDst;

    wchar_t * wText = wchar;

    DWORD dwNum = WideCharToMultiByte(CP_OEMCP, NULL, wText, -1, NULL, 0, NULL, FALSE);// WideCharToMultiByte的运用

    char *psText; // psText为char*的临时数组，作为赋值给std::string的中间变量

    psText = new char[dwNum];

    WideCharToMultiByte(CP_OEMCP, NULL, wText, -1, psText, dwNum, NULL, FALSE);// WideCharToMultiByte的再次运用

    szDst = psText;// std::string赋值

    delete[]psText;// psText的清除

    return szDst;

}

wchar_t * StringToWchar_t1(const std::string & str)

{

    wchar_t * m_chatroommmsg = new wchar_t[str.size() * 2];  //

    memset(m_chatroommmsg, 0, str.size() * 2);

    setlocale(LC_ALL, "zh_CN.UTF-8");

    swprintf(m_chatroommmsg, str.size() * 2, L"%S", str.c_str());


    return m_chatroommmsg;

}