QtDay4

widget.h

#ifndef WIDGET_H
#define WIDGET_H
 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
 
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE
 
class Widget : public QWidget
{
    Q_OBJECT
 
public:
    Widget(QWidget *parent = nullptr);
    ~Widget();
    void timerEvent(QTimerEvent *e);
 
private slots:
    void on_startBtn_clicked();
 
    void on_stopBtn_clicked();
 
private:
    Ui::Widget *ui;
    int tId;
    QTextToSpeech *speecher;
};
#endif // WIDGET_H

 widget.cpp

#include "widget.h"
#include "ui_widget.h"
 
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
   // tId=startTimer(1000);
    ui->lineEdit->setPlaceholderText("闹钟时间");
    ui->textEdit->setText("太阳晒屁股了bro");
    ui->lineEdit->setAlignment(Qt::AlignCenter);
    ui->textEdit->setAlignment(Qt::AlignCenter);
    speecher=new QTextToSpeech(this);
}
 
Widget::~Widget()
{
    delete ui;
}
 
void Widget:: timerEvent(QTimerEvent *e)
{
    if(e->timerId() == tId)
    {
        QTime sys_time = QTime::currentTime(); //获取当前系统时间
        QString s = sys_time.toString("hh::mm::ss");//把系统时间转换成字符串
        ui->systemTimeLab->setText(s);//将系统时间放入标签中
        ui->systemTimeLab->setAlignment(Qt::AlignCenter);//居中显示
        if(ui->lineEdit->text()==ui->systemTimeLab->text())
        {
                speecher->say(ui->textEdit->toPlainText());
        }
    }
}
 
 
void Widget::on_startBtn_clicked()
{
    tId=startTimer(1000);
}
 
void Widget::on_stopBtn_clicked()
{
    this->killTimer(tId);
}