【Qt】QThread::moveToThread

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myobject.h

#ifndef MYOBJECT#define MYOBJECT#include <QObject>#include <QThread>#include <QDebug>#include <QApplication>class MyObject:public QObject{    Q_OBJECTpublic:    MyObject(){}    ~MyObject(){}public slots:    void first()    {        qDebug() << QThread::currentThreadId();    }    void second()    {        int i = 0;        while(true)        {            if(i++ < 10)                qDebug() << QThread::currentThreadId() << "second()";            else                break;        }    }    void three()    {        for(int i = 0; i< 20000; ++i)        {            qDebug() <<QThread::currentThreadId()<< " -> three -> " << i;            //qApp->processEvents();        }    }};#endif // MYOBJECT

dialog.h

#ifndef DIALOG_H#define DIALOG_H#include <QDialog>#include "myobject.h"class Dialog : public QDialog{    Q_OBJECTpublic:    Dialog(QWidget *parent = 0);    ~Dialog();private:    MyObject * my;};#endif // DIALOG_H

dialog.cpp

#include "dialog.h"#include <QPushButton>#include <QVBoxLayout>#include "myobject.h"Dialog::Dialog(QWidget *parent)    : QDialog(parent){    this->setWindowTitle("moveToThread 事例");    qDebug() << "main" << QThread::currentThreadId();    my = new MyObject;    QPushButton *button1 = new QPushButton("1");    QPushButton *button2 = new QPushButton("2");    QPushButton *button3 = new QPushButton("3");    QHBoxLayout *layout = new QHBoxLayout;    layout->addWidget(button1);    layout->addWidget(button2);    layout->addWidget(button3);    this->setLayout(layout);    connect(button1,SIGNAL(clicked(bool)),my,SLOT(first()));    connect(button2,SIGNAL(clicked(bool)),my,SLOT(second()));    connect(button3,SIGNAL(clicked(bool)),my,SLOT(three()));    QThread *thread = new QThread;    my->moveToThread(thread);    connect(thread,SIGNAL(finished()),my,SLOT(deleteLater()));    connect(thread,SIGNAL(finished()),thread,SLOT(deleteLater()));    thread->start();}Dialog::~Dialog(){}

main.cpp

#include "dialog.h"#include <QApplication>int main(int argc, char *argv[]){    QApplication a(argc, argv);    Dialog w;    w.show();    return a.exec();}

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