TCHAR 转 QString wchar_t * 转QString

转载地址： https://www.cnblogs.com/fuyanwen/p/3200536.html #ifdef UNICODE   #define QStringToTCHAR(x)     (wchar_t*) x.utf16()   #define PQStringToTCHAR(x)    (wchar_t*) x->utf16()   #define TCHARToQString(x)     QString::fromUtf16((x))   #define TCHARToQStringN(x,y)  QString::fromUtf16((x),(y))   #else   #define QStringToTCHAR(x)     x.local8Bit().constData()   #define PQStringToTCHAR(x)    x->local8Bit().constData()   #define TCHARToQString(x)     QString::fromLocal8Bit((x))   #define TCHARToQStringN(x,y)  QString::fromLocal8Bit((x),(y))   #endif

　　

wchar_t* 转QString   wchar_t* wptr = L "test" ; QString ret = QString::fromWCharArray(wptr); QString ret2 = QString((QChar*)wptr, wcslen(wptr));   QString 转wchar_t* wchar_t szBuf[1024]; QString str = tr( "hello" ); wcscpy_s(reinterpret_cast<wchar_t*>(szBuf),      sizeof (szBuf) / sizeof (wchar_t),      reinterpret_cast< const  wchar_t*>(str.utf16()));