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#include <QtCore/QCoreApplication>
#include <QDebug>
#include <QTime>
#include <QtGlobal>
 
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
 
    qsrand(QTime::currentTime().msec());
    qDebug() << "RAND_MAX = " << RAND_MAX;  //RAND_MAX = 32767
    for (int i = 0; i < 10; i++) {
        qDebug() << qrand();    //生成一个整数，取值范围为：[0, RAND_MAX]
    }
     
    return a.exec();
}