qt 线程状态机实现并发自动任务-Toy模板网

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一、状态机类文章来源地址https://www.toymoban.com/news/detail-536189.html

头文件 MyStateMachine.h

#ifndef MYSTATEMACHINE_H
#define MYSTATEMACHINE_H

#include <QStateMachine>
#include "ActionTask.h"
#include <QObject>
#include <QFinalState>

class MyStateMachine:public QObject
{
   
    Q_OBJECT
public:
    explicit MyStateMachine(QObject *parent = nullptr);
    ~MyStateMachine();
signals:
    void sigToWorkState();

    void sigToIdleState();


public slots:
    void onStart();
     void onStop();

    void onTask();

    void onToIdleState();


private:
    void initSlot();

private:
    QThread* m_thread;
    ActionTask* m_worker;
    QState* workState;
    QState* idleState;
    QFinalState *finalState;
    QStateMachine  *m_achine;
};

#endif // MYSTATEMACHINE_H

状态机 cpp

#include "MyStateMachine.h"
#include "qdebug.h"
#include "qeventloop.h"
#include <QEvent>
#include "global.h"

MyStateMachine::MyStateMachine(QObject *parent)
    : QObject{
   parent}
{
   
    // 创建一个子线程 for state1
    m_thread = new QThread();
    m_worker = new ActionTask();
    m_worker->moveToThread(m_thread);

    // 创建状态机
    m_achine = new QStateMachine();
    workState = new QState();
    idleState = new QState();
    finalState = new QFinalState();

    // 将任务完成状态添加到工作状态中
    idleState->addTransition(this, &MyStateMachine::sigToWorkState, workState);
    workState->addTransition(this, &MyStateMachine::sigToIdleState, idleState);

    workState->addTransition(m_worker, &ActionTask::sigFinished, idleState);

    connect(finalState, &QState::exited, this, [this](){
   
        emit gSignal.sigLog