QT实现简易闹钟功能

QT       += core gui texttospeech
******************************************
#ifndef WIDGET_H
#define WIDGET_H
 
#include <QWidget>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QTextEdit>
#include <QDebug>
#include <QTime>
#include <QTimer>
#include <QDateTime>
#include <QTextToSpeech>
 
 
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE
 
class Widget : public QWidget
{
    Q_OBJECT
    QLabel *label;
    QLineEdit *edit;
    QPushButton *btn1;
    QPushButton *btn2;
    QTextEdit *text;
    QTimer *timer;
     QTimer *timer2;
    QTextToSpeech *speecher;
    QLabel *back;
 
public:
    Widget(QWidget *parent = nullptr);
    ~Widget();
 
public slots:
    void btn1_slot();
    void btn2_slot();
 
private slots:
    void timeout_slot();
    void timeout_slot2();
 
 
private:
    Ui::Widget *ui;
};
#endif // WIDGET_H
*********************************************************
#include "widget.h"
#include "ui_widget.h"
 
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
 
    //取消头部，纯净窗口
    this->setWindowFlag(Qt::FramelessWindowHint);
    //qDebug()<<this->size();
    this->resize(QSize(600,400));
//       back = new QLabel(this);//设置背景照片
//       back->resize(this->size());
//       back->setPixmap(QPixmap(":/new/prefix1/C:/Users/30734/Desktop/zq/zq.png"));
//       back->setScaledContents(true);
 
    //实例一个显示时间标签
    label=new QLabel(this);
    //label->setStyleSheet("background-color:yellow");
    label->resize(280,65);
    label->move(50,50);
 
    //实例一个定时行编辑
    edit=new QLineEdit(this);
    edit->move(label->x()+label->width()+30,label->y());
    //qDebug() <<edit->size();
    edit->resize(QSize(150,25));
    edit->setAlignment(Qt::AlignCenter);
    edit->setStyleSheet("background: transparent;");
 
    //实例启动按钮
    btn1=new QPushButton(this);
    btn1->move(edit->x(),label->y()+edit->height()+15);
    //qDebug() <<btn1->size();
    btn1->resize(QSize(50,30));
    btn1->setText("启动");
    connect(btn1,&QPushButton::clicked,this,&Widget::btn1_slot);
 
    //实例停止按钮
    btn2=new QPushButton(this);
    btn2->move(btn1->x()+btn1->width()+50,btn1->y());
    btn2->resize(QSize(50,30));
    btn2->setText("关闭");
    btn2->setEnabled(false);
    connect(btn2,&QPushButton::clicked,this,&Widget::btn2_slot);
 
    //实例文本编辑
    text=new QTextEdit(this);
    text->move(label->x(),label->y()+label->height()+30);
    text->resize(QSize(500,215));
    text->setText("三更灯火五更鸡\n"
                  "正是男儿读书时\n"
                  "黑发不知勤学早\n"
                  "白首方悔读书迟\n");
    //text->setAlignment(Qt::AlignCenter);
    text->setFont(QFont("楷书",18));
    text->setStyleSheet("background: transparent;"); // 设置文本编辑器背景为透明
 
    //显示时间定时器
    timer = new QTimer(this);
    timer->start(1000);
    connect(timer,&QTimer::timeout,this,&Widget::timeout_slot);
 
    //语音播报
    speecher = new QTextToSpeech(this);
 
}
 
Widget::~Widget()
{
    delete ui;
}
 
//显示时间函数
void Widget::timeout_slot()
{
    QTime sys_time = QTime::currentTime();
    QString t = sys_time.toString("hh:mm:ss");
    this->label->setText(t);
    this->label->setAlignment(Qt::AlignCenter);
    this->label->setFont(QFont("微软雅黑",35));
    this->label->setStyleSheet("color: white;");
}
//启动按钮槽函数
void Widget::btn1_slot()
{
    edit->setEnabled(false);
    text->setEnabled(false);
    btn1->setEnabled(false);
    btn2->setEnabled(true);
 
    timer2 = new QTimer(this);//启动后判断闹钟定时器
    timer2->start(1000);
    connect(timer2,&QTimer::timeout,this,&Widget::timeout_slot2);
}
//关闭按钮槽函数
void Widget::btn2_slot()
{
    btn2->setEnabled(false);
    btn1->setEnabled(true);
    edit->setEnabled(true);
    text->setEnabled(true);
    timer2->stop();//关闭闹钟
 
}
//判断闹钟函数
void Widget::timeout_slot2()
{
    if(edit->text()==label->text())
    {
        QString txt=text->toPlainText();
        speecher->say(txt);
    }
 
}