QT使用定时器事件驱动完成定时播报效果

widget.h
#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>
#include <QObject>
#include <QPushButton>
#include <QLineEdit>
#include <QLabel>
#include <QTimer>
#include <QString>
#include <QTime>
#include <QTextEdit>
#include <QMessageBox>
#include <QDebug>
#include <QtTextToSpeech>
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE

class Widget : public QWidget
{
    Q_OBJECT

public:
    Widget(QWidget *parent = nullptr);
    ~Widget();

    static QTime sysTime;
    QPushButton *StartUp;
    QPushButton *Cancel;
    QLineEdit *TimeEdit;
    QTextEdit *PoetryEdit;
    QLabel *SysTime;
    QTextToSpeech *speech;

    void timerEvent(QTimerEvent *event) override;
    int timerId;

public slots:
    // 显示系统时间
    void SysTimeShow();
    //