QT5获取电脑cpu线程数 通过QProcess执行 wmic cpu get NumberOfLogicalProcessors 命令
QProcess p;
p.start("wmic cpu get NumberOfLogicalProcessors");
p.waitForFinished();
QString result = QString::fromLocal8Bit(p.readAllStandardOutput());
QStringList list = cmd.split(" ");
result = result.remove(list.last(), Qt::CaseInsensitive);
result = result.replace("\r", "");
result = result.replace("\n", "");
result = result.simplified();