Qt 定时器

毫秒级定时器

#include <QTimerEvent>

public:
    void  handleTimeout();  //超时处理函数
    virtual void timerEvent(QTimerEvent *event);

private:
    int timerID;

#define TIMER_TIMEOUT   (5*1000)

timerID = this->startTimer(TIMER_TIMEOUT);

void timerEvent(QTimerEvent *event)
{
    if(event->timerId() == timerID){
        handleTimeout();
    }
}

void handleTimeout()
{
    qDebug() << "handleTimeout here
";
    killTimer(timerID);
}