作业
pro文件：
QT += texttospeech
头文件：
#ifndef WIDGET_H
#define WIDGET_H#include <QWidget>
#include <QPushButton> //按钮类
#include <QLabel> //标签类
#include <QLineEdit> //行编译器类
#include <QMoveEvent>
#include <QTimer> //定时器类
#include <QTime> //时间类#include <QWidget>
#include <QtTextToSpeech>QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACEclass Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = nullptr);~Widget();void mouseMoveEvent(QMouseEvent *event) override; //鼠标移动事件void mousePressEvent(QMouseEvent *event) override; //鼠标点击事件private slots:void btn1_clicked();void btn2_clicked();void timeout_slot();private:Ui::Widget *ui;//定义一个定时器变量QTimer t1;QPushButton *btn1;QPushButton *btn2;QLabel *lab1;QLineEdit *let1;QLineEdit *let2;QPoint temp; //中间辅助向量};
#endif // WIDGET_H
主文件：
#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget)
{ui->setupUi(this);this->resize(460,360);this->setWindowTitle("My First Window"); //设置窗口名称//设置 去除控件的头部this->setWindowFlag(Qt::FramelessWindowHint);this->move(300,400);//按钮1btn1 = new QPushButton("启动",this);btn1->resize(100,30);btn1->move(250,80);connect(btn1,&QPushButton::clicked,this,&Widget::btn1_clicked);//按钮2btn2 = new QPushButton("取消",this);btn2->resize(100,30);btn2->move(btn1->x()+btn1->width()+10,btn1->y());btn2->setEnabled(false); //设置开始不可用connect(btn2,&QPushButton::clicked,this,&Widget::btn2_clicked);//标签lab1 = new QLabel(this);lab1->resize(200,70);lab1->move(40,30);//行编译器let1 = new QLineEdit(this);let1->resize(210,30);let1->move(250,30);let2 = new QLineEdit(this);let2->resize(400,210);let2->move(40,110);let2->setText("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。");//由于定时器事件的信号与槽绑定connect(&t1,&QTimer::timeout,this,&Widget::timeout_slot);
}Widget::~Widget()
{delete ui;
}//鼠标移动事件
void Widget::mouseMoveEvent(QMouseEvent *event)
{this->move(event->globalPos() - temp);
}//鼠标点击事件
void Widget::mousePressEvent(QMouseEvent *event)
{temp = event->globalPos() - this->pos();if(event->button() == Qt::RightButton){this->close();}
}void Widget::timeout_slot()
{//获取系统的时间QTime sysTime = QTime::currentTime();//将QTime类对象转变成字符串QString tm = sysTime.toString("hh:mm:ss");//将时间展示到ui界面上lab1->setText(tm);//设置标签其中显示lab1->setAlignment(Qt::AlignCenter);
}//“启动”按钮
void Widget::btn1_clicked()
{t1.start(1000); //每隔指定的时间发射一个timeout的信号btn1->setEnabled(false); //使用期间数据不可更改let1->setEnabled(false);let2->setEnabled(false);btn2->setEnabled(true);//获取系统的时间QTime sysTime = QTime::currentTime();//将QTime类对象转变成字符串QString tm = sysTime.toString("hh:mm:ss");if(let1->text() == tm){QTextToSpeech *Speecher=new QTextToSpeech;Speecher->say(tm);}
}//“取消”按钮
void Widget::btn2_clicked()
{t1.stop();btn1->setEnabled(true);let1->setEnabled(true);let2->setEnabled(true);btn2->setEnabled(false);
}
