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QT qstring:: number apply base conversion

2022-07-03 09:28:00 【Ice V Che】

 long a = 63;
 QString s = QString::number(a, 16);             // s == "3f"
 QString t = QString::number(a, 16).toUpper();     // t == "3F"

// Support formats :long, int, uint, ulong, qlonglong, quint8,quint16,quint32
// turn 10 Just say 16 Change it to 10,  Support 2-36 Hexadecimal conversion

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