Qt 程序等待多长时间执行

#include<QElapsedTimer>

QElapsedTimer t;
    t.start();
    int waitTime=1000*60*1;
    while(t.elapsed()<waitTime)
    {
        QCoreApplication::processEvents();
        if(GlobalVariable::g_isGetReportOk==true)
        {
            break;
        }
    }