#include "widget.h"
#include "ui_widget.h"
Widget::Widget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::Widget)
// , thread1(new QThread(this)) // 创建工作线程对象
// , worker1(new Worker()) // 创建新线程
{
ui->setupUi(this);
workerThread = new QThread(this);
worker = new Worker();
worker->moveToThread(workerThread);
// connect(workerThread, &QThread::finished, worker, &QObject::deleteLater);
// connect(this, &Widget::destroyed, workerThread, &QThread::quit);
}
Widget::~Widget()
{
worker->stopWork();
delete ui;
workerThread->quit(); // 退出线程循环
workerThread->wait(); // 等待线程安全退出
QObject::disconnect(workerThread, &QThread::started, worker, &Worker::doWork);
delete workerThread;
delete worker;
}
void Widget::on_pushButton_clicked() //开始
{
worker->startWord();
//启动新线程
//当线程开始执行线程耗时操作
QObject::connect(workerThread, &QThread::started, worker, &Worker::doWork);
workerThread->start();
}
void Widget::on_pushButton_2_clicked() //停止
{
worker->stopWork();
workerThread->quit();
workerThread->wait();
QObject::disconnect(workerThread, &QThread::started, worker, &Worker::doWork);
}
void Worker::doWork()
{
qDebug() << "QThread..."<<QThread::currentThreadId();
qDebug() << "m_stop1..."<<m_stop;
static int num = 0;
while (!m_stop) {
qDebug() << "Working..."<<num++<<m_stop;
QThread::sleep(1);
}
qDebug() << "m_stop2..."<<m_stop;
}
void Worker::stopWork()
{
m_stop = true;
}
void Worker::startWord()
{
m_stop = false;
}
