cppcpp

 

 

 ui代码

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>Widget</class>
 <widget class="QWidget" name="Widget">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>640</width>
    <height>480</height>
   </rect>
  </property>
  <property name="minimumSize">
   <size>
    <width>640</width>
    <height>480</height>
   </size>
  </property>
  <property name="maximumSize">
   <size>
    <width>640</width>
    <height>480</height>
   </size>
  </property>
  <property name="windowTitle">
   <string>闹钟 - by zzy</string>
  </property>
  <property name="styleSheet">
   <string notr="true"/>
  </property>
  <widget class="QLabel" name="label">
   <property name="geometry">
    <rect>
     <x>20</x>
     <y>20</y>
     <width>300</width>
     <height>120</height>
    </rect>
   </property>
   <property name="font">
    <font>
     <family>浪漫雅圆</family>
     <pointsize>36</pointsize>
    </font>
   </property>
   <property name="styleSheet">
    <string notr="true">color: rgb(85, 170, 255);</string>
   </property>
   <property name="text">
    <string>TextLabel</string>
   </property>
  </widget>
  <widget class="QPushButton" name="start_btn">
   <property name="geometry">
    <rect>
     <x>370</x>
     <y>90</y>
     <width>100</width>
     <height>50</height>
    </rect>
   </property>
   <property name="font">
    <font>
     <family>浪漫雅圆</family>
     <pointsize>12</pointsize>
    </font>
   </property>
   <property name="styleSheet">
    <string notr="true"/>
   </property>
   <property name="text">
    <string>启动</string>
   </property>
  </widget>
  <widget class="QPushButton" name="stop_btn">
   <property name="geometry">
    <rect>
     <x>510</x>
     <y>90</y>
     <width>100</width>
     <height>50</height>
    </rect>
   </property>
   <property name="font">
    <font>
     <family>浪漫雅圆</family>
     <pointsize>12</pointsize>
    </font>
   </property>
   <property name="styleSheet">
    <string notr="true"/>
   </property>
   <property name="text">
    <string>关闭</string>
   </property>
  </widget>
  <widget class="QTextEdit" name="textEdit">
   <property name="geometry">
    <rect>
     <x>20</x>
     <y>160</y>
     <width>600</width>
     <height>300</height>
    </rect>
   </property>
  </widget>
  <widget class="QTimeEdit" name="timeEdit">
   <property name="geometry">
    <rect>
     <x>370</x>
     <y>20</y>
     <width>240</width>
     <height>60</height>
    </rect>
   </property>
   <property name="font">
    <font>
     <family>浪漫雅圆</family>
     <pointsize>12</pointsize>
    </font>
   </property>
  </widget>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>
#include <QTimer>              //定时器类的头文件
#include <QTime>               //时间类的头文件
#include <QTimerEvent>         //定时器事件处理类
#include <QDateTime>           //日期时间类
#include <QMessageBox>         //消息提醒框类
#include <QTextToSpeech>       //文本转语音

namespace Ui {
class Widget;
}

class Widget : public QWidget
{
    Q_OBJECT

public:
    explicit Widget(QWidget *parent = nullptr);
    ~Widget();

private slots:
    void on_start_btn_clicked();
    void on_stop_btn_clicked();
    void timeout_slot();

private:
    Ui::Widget *ui;

    QTimer *t1;     //定义一个定时器指针
    bool flag=0;    //判断闹钟是否启动
    QTextToSpeech *speecher;       //定义播报者指针
};

#endif // WIDGET_H

 

 

#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui->setupUi(this);
    this->setFixedSize(640,480);
    this->setWindowTitle("闹钟 - by zzy");

    //给定时器指针实例化空间
    t1 = new QTimer(this);  //显示当前时间

    //将t1的timeout信号绑定到自定义的槽函数中
    connect(t1, &QTimer::timeout, this, &Widget::timeout_slot);
    t1->start(200);

    //实例化播报者对象
    speecher = new QTextToSpeech(this);

    //设置关闭按钮不可用
    ui->stop_btn->setEnabled(false);

    //设置label显示格式
    ui->label->setAlignment(Qt::AlignCenter);

}

Widget::~Widget()
{
    delete ui;
}

//启动按钮的槽函数
void Widget::on_start_btn_clicked()
{
    //设置按钮/文本框是否可用
    ui->start_btn->setEnabled(false);
    ui->stop_btn->setEnabled(true);
    ui->timeEdit->setEnabled(false);
    ui->textEdit->setEnabled(false);
    flag = 1;

}

//关闭按钮的槽函数
void Widget::on_stop_btn_clicked()
{
    //设置按钮/文本框是否可用
    ui->start_btn->setEnabled(true);
    ui->stop_btn->setEnabled(false);
    ui->timeEdit->setEnabled(true);
    ui->textEdit->setEnabled(true);
    flag = 0;
}

//定时器时间结束的槽函数
void Widget::timeout_slot()
{
    //获取系统当前时间
    QTime sys_time = QTime::currentTime();
    //将QTime转换成字符串
    QString time = sys_time.toString("hh:mm:ss");
    QString time2 = ui->timeEdit->time().toString("hh:mm:ss");
    //将时间显示在label上
    ui->label->setText(time);

    if(flag==1 && time == time2)
    {
        speecher->say(ui->textEdit->toPlainText());
        QMessageBox::information(this, "闹钟", ui->textEdit->toPlainText());
        ui->start_btn->setEnabled(true);
        ui->stop_btn->setEnabled(false);
        ui->timeEdit->setEnabled(true);
        ui->textEdit->setEnabled(true);
        flag = 0;
    }
}