2024-04-10 作业

作业要求：

1> 思维导图

2>

作业1：

作业2：

运行代码：

main.cpp

#ifndef WIDGET_H
#define WIDGET_H#include <QWidget>
#include <QDebug>
#include <QTimerEvent>
#include <QTime>
#include <QTextToSpeech>
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACEclass Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = nullptr);~Widget();void timerEvent(QTimerEvent *e);private slots:void on_btn1_clicked();private:Ui::Widget *ui;int id;QString alarm;QString song;
};
#endif // WIDGET_H

Widget.cpp

#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget),song("你怎么睡得着哒，你这个年龄段，你这个年龄段睡得着觉，有点出息没有")
{ui->setupUi(this);id = startTimer(1000);ui->lineEdit1->setPlaceholderText("hh/mm");}Widget::~Widget()
{delete ui;
}void Widget::timerEvent(QTimerEvent *e)
{QTime sys_time = QTime::currentTime();//设置闹钟的多种书写情况，规定/为分隔符QString s1 = sys_time.toString("hh:mm:ss");QString s2 = sys_time.toString("hh/mm:ss");QString s3 = sys_time.toString("h/m:ss");QString s4 = sys_time.toString("hh/m:ss");QString s5 = sys_time.toString("h/mm:ss");ui->lab1->setText(s1);static int num=0;static int flag = -1;//如果到时间:00秒，置flag==1;表示闹钟开始if(((s1==alarm+"00")|s2==(alarm+":00")|(s3==alarm+"00")|s4==(alarm+":00")|s5==(alarm+":00"))&&(flag==-1)){flag = 1;}ui->lab3->clear();//flag==1时，闹钟开始if(flag==1){//num<=5,表示闹钟响五次num++;if(num<=5){if(num==0){ui->lab3->setText(song+"\n");}ui->lab3->setText(ui->lab3->text()+song+"\n");QTextToSpeech *speechr = new QTextToSpeech(this);speechr->say(song);}else{//闹钟响五次后，重置ui->btn1->setText("启动");ui->lineEdit1->setPlaceholderText("hh:mm");//置flag=0 表示闹钟关闭 次数置0 清空框flag=0;num=0;}}
}
//按钮的槽函数
void Widget::on_btn1_clicked()
{//设置闹钟alarm = ui->lineEdit1->text();//当line为非空，按键为关闭，开启闹钟if(alarm.length()!=0){//设置闹钟为关闭 清空 设置占位符ui->btn1->setText("关闭");ui->lineEdit1->clear();ui->lineEdit1->setPlaceholderText(alarm);}else if(ui->btn1->text()=="关闭"){//点击关闭后，关闭闹钟 设置占位符ui->btn1->setText("启动");ui->lineEdit1->setPlaceholderText("hh:mm");}qDebug()<<"启动";
}

Widget.h

#ifndef WIDGET_H
#define WIDGET_H#include <QWidget>
#include <QDebug>
#include <QTimerEvent>
#include <QTime>
#include <QTextToSpeech>
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACEclass Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = nullptr);~Widget();void timerEvent(QTimerEvent *e);private slots:void on_btn1_clicked();private:Ui::Widget *ui;int id;QString alarm;QString song;
};
#endif // WIDGET_H