moveToThread的最简单用法(依葫芦画瓢即可)(使得线程也更偏向于信号槽的使用方法)

时间:2022-11-10 21:23:58
/*!
* \file main.cpp
*
* Copyright (C) 2010, dbzhang800
* All rights reserved.
*
*/
#include <QtCore/QCoreApplication>
#include <QtCore/QObject>
#include <QtCore/QThread>
#include <QtCore/QDebug> class Dummy:public QObject
{
Q_OBJECT
public:
Dummy(QObject* parent=):QObject(parent) {}
public slots:
void emitsig()
{
emit sig();
}
signals:
void sig();
}; class Object:public QObject
{
Q_OBJECT
public:
Object(){}
public slots:
void slot()
{
qDebug()<<"from thread slot:" <<QThread::currentThreadId();
}
}; #include "main.moc" int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
qDebug()<<"main thread:"<<QThread::currentThreadId();
QThread thread;
Object obj;
Dummy dummy;
obj.moveToThread(&thread);
QObject::connect(&dummy, SIGNAL(sig()), &obj, SLOT(slot())); // 这里的slot()函数,相当于run()函数的作用
thread.start();
dummy.emitsig();
return a.exec();
}

结果:恩,slot确实不在主线程中运行(这么简单不值得欢呼么?)

main thread: 0x1a5c
from thread slot: 0x186c http://blog.csdn.net/zzwdkxx/article/details/49308487