#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(); }