2024.4.10作业

#include "widget.h"

#include "ui_widget.h"

Widget::Widget(QWidget *parent)

    : QWidget(parent)

    , ui(new Ui::Widget)

{

    ui->setupUi(this);

}

Widget::~Widget()

{

    delete ui;

}

//显示时间

void Widget::timerEvent(QTimerEvent *e)

{

    QTime sys_time = QTime::currentTime();

    QString s = sys_time.toString("hh::mm::ss");

    ui->label->setText(s);

    if(ui->label->text() == ui->lineEdit->text())

    {

        for(int i=0;i<4;i++)

        {

            ui->label_3->setText("qichuang");

        }

    }

}

void Widget::on_pushButton_clicked()

{

    if(ui->pushButton->text()=="启动")

    {

        id = startTimer(1000);

        ui->pushButton->setText("关闭");

    }

    else

    {

        killTimer(id);

        ui->pushButton->setText("启动");

    }

}