c++ 3%0,实际执行 3/0取余数，报异常

case 3:
//emit SigP7();//
//QThread::msleep(200);

if (currentReelShangliaoCounter % current_shangliao_box_reel_qty == 0) //------------1
{

QThread::msleep(1000 / 2);
emit SigToMainLog("写入出垛信号,当前值：" + QString::number(currentReelShangliaoCounter));