Qt::线程::继承QObject

class Worker : public QObject
{
    Q_OBJECT
public:
    explicit Worker(QObject *parent = 0);

    void WorkRun();
    void setFlag(bool flag = true);
signals:
    void signal_back();//处理结果返回信号

private:
    bool isStop;
};

#include "controller.h"
#include <QDebug>

Worker::Worker(QObject *parent) : QObject(parent)
{
    isStop = false;
}

void Worker::WorkRun()        //线程处理函数：具体处理的事情
{
    while(!isStop)
    {
        QThread::sleep(1);
        emit signal_back();    //发送返回信号
        qDebug() << "the child thread number:" << QThread::currentThread();
    }
}

void Worker::setFlag(bool flag)
{
    isStop = flag;
}

subthread = new QThread(this);
m_MyThread = new Worker();
m_MyThread->moveToThread(subthread);

connect(this, &Widget::StartThread, m_MyThread, &Worker::WorkRun);
connect(m_MyThread, &Worker::signal_back, this, &Widget::slot_handle_finish);

subthread->start();
emit StartThread();