Qt day4

#include "widget.h"
#include "ui_widget.h"
 
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    id = startTimer(1000);
    speecher = new QTextToSpeech(this);
    ui->lab2->setAlignment(Qt::AlignCenter);
}
 
Widget::~Widget()
{
    delete ui;
}
 
void Widget::timerEvent(QTimerEvent *e)
{
        QTime sys_time = QTime::currentTime();
        QString t = sys_time.toString("hh::mm::ss");
        ui->lab1->setText(t);
        ui->lab1->setAlignment(Qt::AlignCenter);
        int count;
        if(ui->btn1->text()=="取消设置")
        {
            if(ui->lab1->text()==ui->lineEdit->text())
            {
               count=0;
               while(1)
               {
                   if(count<5)
                   {
                       speecher->say(ui->lab2->text());
                       count++;
                   }
                   else
                       break;
               }
            }
        }
}
 
void Widget::on_btn1_clicked()
{
    if(ui->btn1->text()=="设置")
    {
        ui->btn1->setText("取消设置");
    }
    else
    {
        ui->btn1->setText("设置");
    }
}