QT DAY4

作业：要求做一个闹钟

clock.pro
QT       += core gui texttospeechmain.cpp
#include "widget.h"int main(int argc, char *argv[])
{QApplication a(argc, argv);Widget w;w.show();return a.exec();
}widget.cpp
#include "widget.h"Widget::Widget(QWidget *parent): QWidget(parent)
{this->speecher=new QTextToSpeech(this);this->timer=new QTimer(this);timer->start(1000);connect(timer,&QTimer::timeout,[&](){//将QTime类对象->字符串QString currentTime =QTime::currentTime().toString("hh:mm:ss");lab1->setText(currentTime); //设置显示系统时间if(alarmSet&&currentTime==lint1->text()){speecher->say(lint2->text());}});this->resize(800,600);  //重设窗体sizethis->setWindowFlag(Qt::FramelessWindowHint);  //设置框体隐藏this->lab2=new QLabel(this);//用于放背景图lab2->resize(800,600);lab2->setPixmap(QPixmap(":/1.jpg"));lab2->setScaledContents(true);this->lab1=new QLabel(this);//显示系统时间lab1->resize(360,200);lab1->move(50,50);lab1->setAlignment(Qt::AlignCenter);QFont f1("宋体",30);lab1->setFont(f1);lab1->setStyleSheet("QLabel{color:rgba(234,165,67,255);border-radius:10;}");lab1->setText(QTime::currentTime().toString("hh:mm:ss"));lab1->raise();this->lint1=new QLineEdit(this);//一号编辑框用于设置闹钟时间lint1->resize(300,90);lint1->move(440,80);f1.setItalic(true);lint1->setFont(f1);lint1->setPlaceholderText("请输入闹钟时间");this->lint2=new QLineEdit(this);//二号编辑框用于设置语音播报文本lint2->resize(690,311);lint2->move(50,260);lint2->setAlignment(Qt::AlignLeft);lint2->setAlignment(Qt::AlignTop);QFont f2("楷体",15);lint2->setFont(f2);lint2->setText("三更灯火五更鸡，正式男儿读书时，黑发不知勤学早，白首方悔读书迟");this->btn1=new QPushButton("启动",this);//启动按钮btn1->resize(130,45);btn1->move(450,200);btn1->setStyleSheet("background-color:pink;border-radius:10;");btn1->setEnabled(true);   //设置按钮可用this->btn2=new QPushButton("取消",this);//取消按钮btn2->resize(130,45);btn2->move(600,200);btn2->setStyleSheet("background-color:skyblue;border-radius:10;");btn2->setEnabled(false);      //设置取消按钮不可用connect(this->btn1,&QPushButton::clicked,[&](){alarmTime=lint1->text();alarmText=lint2->text();alarmSet=true;lint1->setEnabled(false);lint2->setEnabled(false);btn1->setEnabled(false);btn2->setEnabled(true);});connect(this->btn2,&QPushButton::clicked,[&](){alarmSet=false;lint1->setEnabled(true);lint2->setEnabled(true);btn1->setEnabled(true);btn2->setEnabled(false);});
}Widget::~Widget()
{
}
void Widget::mouseMoveEvent(QMouseEvent *event)
{this->move(event->globalPos()-temp);}void Widget::mousePressEvent(QMouseEvent *event)
{temp = event->globalPos()-this->pos(); //求中间辅助向量if(event->button() == Qt::RightButton){this->close();}
}widget.h
#ifndef WIDGET_H
#define WIDGET_H
#include <QApplication>
#include <QWidget>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QDebug>
#include <QTime>
#include <QTimer>
#include <QMouseEvent>
#include <QDateTime>
#include <QTextToSpeech>       //文本转语音类class Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = nullptr);~Widget();void mousePressEvent(QMouseEvent *event) override;   //鼠标按下事件处理函数版void mouseMoveEvent(QMouseEvent *event) override; //鼠标移动事件处理函数
signals:private:QTimer *timer;           //定义定时器变量QPoint temp;QTextToSpeech *speecher;     //定义播报员指针QLabel *lab1;  //显示系统时间QLabel *lab2;  //用于放背景图QLineEdit *lint1; //一号编辑框用于设置闹钟时间QLineEdit *lint2; //二号编辑框用于设置语音播报文本QPushButton *btn1; //启动按钮QPushButton *btn2; //取消按钮bool alarmSet=false;QString alarmTime;QString alarmText;};
#endif // WIDGET_H

思维导图