9.11.

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
    , speecher(new QTextToSpeech(this))
{
    //设置时钟
    ui->setupUi(this);
    startTimer(1000);
    //文本框label居中对齐
    ui->label_2->setAlignment(Qt::AlignCenter);
    connect(this,&Widget::my_signal,this,&Widget::my_slot);
}

Widget::~Widget()
{
    delete ui;
}

void Widget::timerEvent(QTimerEvent* e)
{

    QTime sys_time = QTime::currentTime();
    QString t = sys_time.toString("hh:mm:ss");
    QString a = sys_time.toString("hh:mm");
    ui->time->setText(t);
    ui->time->setAlignment(Qt::AlignCenter);
    if(a == ui->alarmClock->text())
    {
        ui->voiceBox->setText("现在是北京时间"+a);
        emit my_signal();
    }
}

void Widget::on_logIn_clicked()
{
    //未输入闹钟就启动
    if(ui->logIn->text() == "启动闹钟" && ui->alarmClock->text() == "")
    {
        qDebug() << "请输入闹钟时间\n";
    }
    if(ui->logIn->text() == "启动闹钟" && ui->alarmClock->text() != "")
    {//正常启动
        ui->logIn->setText("关闭闹钟");
        ui->voiceBox->setText("闹钟已启动");
    }
    else if(ui->logIn->text() == "关闭闹钟")
    {//关闭闹钟并清除闹钟
        ui->voiceBox->setText("闹钟已关闭");
        ui->alarmClock->clear();
        ui->logIn->setText("启动闹钟");
    }
}

void Widget::my_slot()
{
    for (int i=0;i<5;i++)
    {
        speecher->say(ui->voiceBox->text());
    }
}