qt简易闹钟

#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget)
{ui->setupUi(this);ui->stopBtn->setDisabled(true);this->setFixedSize(this->size());   //设置固定大小this->setWindowTitle("简易闹钟");//实例化一个播报员speecher = new QTextToSpeech(this);}Widget::~Widget()
{delete ui;
}void Widget::on_startBtn_clicked()
{ui->startBtn->setDisabled(true);ui->alarmEdit->setReadOnly(true);ui->textEdit->setReadOnly(true);ui->stopBtn->setEnabled(true);tId = startTimer(100);     //定义一个计时器
}void Widget::timerEvent(QTimerEvent *e)
{//判断是哪个计时器就位if (e->timerId() == tId){QTime sys_time = QTime::currentTime();  //获取系统时间//将系统时间转换为字符串QString t = sys_time.toString();//将字符串展示到labelui->timeLb->setText(t);alarmTime = ui->alarmEdit->text();  //获取闹钟时间//如果到了时间就开始播报if (t == alarmTime){for (int i = 0; i < 10; i++){speecher->say(ui->textEdit->toPlainText());}}}
}void Widget::on_stopBtn_clicked()
{ui->startBtn->setDisabled(false);ui->alarmEdit->setReadOnly(false);ui->textEdit->setReadOnly(false);speecher->stop();killTimer(tId);
}