1>
代码:
头文件
cpp
#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
#include<iostream>
#include<QDebug>
#include<QIcon>
#include<QPushButton>
#include<QLabel>
#include<QMovie>
#include<QLineEdit>
#include<QMessageBox>
#include<QTimer>
#include<QTime>
#include<QString>
#include<QTimerEvent>
#include<QPushButton>
#include<QDateTime>
#include<QTextToSpeech>
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE
class Widget : public QWidget
{
Q_OBJECT
public:
Widget(QWidget *parent = nullptr);
~Widget();
public slots:
void timeout_slot(); //自定义槽函数的声明
void my_start();
void my_cancel();
private:
Ui::Widget *ui;
QTimer t1;
QLabel *lab1;
QLabel *lab2;
QLineEdit *edit1;
QPushButton *btn1;
QPushButton *btn2;
QTextToSpeech *s1;
};
#endif // WIDGET_H
源文件
cpp
#include "widget.h"
#include "ui_widget.h"
Widget::Widget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::Widget)
{
ui->setupUi(this);
this->setFixedSize(1000,800); //设置固定尺寸
this->setWindowIcon(QIcon(":/picture/1.png"));
//标签1:显示系统时间
this->lab1 = new QLabel("时间",this);
lab1->resize(500,150);
lab1->move(50,50);
lab1->setStyleSheet("background-color:yellow;");
this->lab1->setAlignment(Qt::AlignCenter); //居中
connect(&t1, &QTimer::timeout, this, &Widget::timeout_slot); //连接定时器
t1.start(1000);
//文本框1:写闹钟时间
this->edit1 = new QLineEdit(this);
edit1->resize(350,75);
edit1->move(600,50);
edit1->setPlaceholderText("闹钟");
//按钮1:启动
this->btn1 = new QPushButton("启动",this);
btn1->resize(100,50);
btn1->move(650,150);
connect(this->btn1, &QPushButton::clicked, this, &Widget::my_start);
//按钮2:取消
this->btn2 = new QPushButton("取消",this);
btn2->resize(100,50);
btn2->move(800,150);
btn2->setEnabled(false);
connect(this->btn2, &QPushButton::clicked, this, &Widget::my_cancel);
//标签2
this->lab2 = new QLabel(this);
lab2->resize(1000,550);
lab2->move(0,250);
lab2->setStyleSheet("background-color:pink;");
lab2->setPixmap(QPixmap(":/picture/study.png")); //贴图
lab2->setScaledContents(true);
this->s1 = new QTextToSpeech(this);
}
Widget::~Widget()
{
delete ui;
}
void Widget::timeout_slot()
{
//获取系统时间
QTime sysTime = QTime::currentTime();
QString tm = sysTime.toString("hh:mm:ss");
lab1->setText(tm);
lab1->setAlignment(Qt::AlignCenter); //居中
QFont f; //设置字体大小
f.setPointSize(50);
lab1->setFont(f);
if(lab1->text() == edit1->text())
{
btn1->setEnabled(true);
btn2->setEnabled(false);
edit1->setEnabled(true);
edit1->clear();
s1->say("劝学\
三更灯火五更鸡,正是男儿读书时。\
黑发不知勤学早,白首方悔读书迟。");
}
}
void Widget::my_start()
{
btn1->setEnabled(false);
btn2->setEnabled(true);
edit1->setEnabled(false);
}
void Widget::my_cancel()
{
btn1->setEnabled(true);
btn2->setEnabled(false);
edit1->setEnabled(true);
edit1->clear();
}
运行结果:
2>思维导图