?
?实现闹钟,并播报懒虫...~
?
?daytest.pro:
QT += core gui texttospeech
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
CONFIG += c++11
# The following define makes your compiler emit warnings if you use
# any Qt feature that has been marked deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += \
main.cpp \
widget.cpp
HEADERS += \
widget.h
FORMS += \
widget.ui
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
widget.h:
#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
#include <QTimerEvent>//定时器事件类
#include <QTime>//时间类
#include <QTextToSpeech>//语音播报类
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE
class Widget : public QWidget
{
Q_OBJECT
public:
Widget(QWidget *parent = nullptr);
~Widget();
void timerEvent(QTimerEvent *e)override;//定时器事件函数重写的声明
private slots:
void on_start_btn_clicked();
private:
Ui::Widget *ui;
int id;//定义定时器的id,用来确定是这个id的定时器超时后对应的功能
QTextToSpeech *speecher;//定义一个语音播报者
};
#endif // WIDGET_H
?widget.cpp
#include "widget.h"
#include "ui_widget.h"
Widget::Widget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::Widget)
{
ui->setupUi(this);
给语音播报者实例化空间
speecher=new QTextToSpeech(this);
}
Widget::~Widget()
{
delete ui;
}
//定时器事件函数的实现
void Widget::timerEvent(QTimerEvent *e)
{
if(e->timerId()==id)
{
//获取当前的系统时间
QTime sys_time=QTime::currentTime();
//将系统时间进行类型转换,转换为字符串类型
QString s=sys_time.toString("hh:mm:ss");
//将系统时间放入sys_lab中
ui->sys_lab->setText(s);
//比较系统时间和闹钟时间是否一致
if(s==ui->edit->text())
{
int n=5;
while(n)
{
speecher->say(ui->say_lab->text());
n--;
}
}
}
}
void Widget::on_start_btn_clicked()
{
if(ui->start_btn->text()=="启动")
{
//启动一个定时器
id=startTimer(1000);
ui->start_btn->setText("关闭");
}
else
{
//关闭定时器
killTimer(id);
ui->start_btn->setText("启动");
}
}