Qt 定时器signal/slot阻塞主线程界面

<span style="font-size:18px;">class bicycle : public QMainWindow
{
public slots:
    void uploadDeviceStatus();
};


bicycle::bicycle(QWidget *parent) :
    QMainWindow(parent)
{
    QTimer *timer = new QTimer(this);
    connect(timer, SIGNAL(timeout()), this, SLOT(uploadDeviceStatusSlot()));
    timer->start(1000);
}
</span>

<span style="font-size:18px;">
class Sloter : public QObject
{
    Q_OBJECT
public slots:
    void uploadDeviceStatusSlot() { bicycle->uploadDeviceStatusSlot(); } // 这里调用bicycle中的函数
};


bicycle::bicycle(QWidget *parent) :
    QMainWindow(parent)
{
    QThread *thread = new QThread();
    Sloter *sloter = new Sloter();
    QTimer *timer = new QTimer(this);
    sloter->moveToThread(thread); // 这里是关键
    connect(timer, SIGNAL(timeout()), sloter, SLOT(uploadDeviceStatusSlot())); // 连接时，signal与Sloter的对象连接
    timer->start(1000);
}</span>

Qt 定时器signal/slot阻塞主线程界面

原文：http://blog.csdn.net/zmlovelx/article/details/43086791