QT闹钟alarm

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QPainter> #include <math.h> #include <QTimerEvent> #include <QPixmap> #include <QMediaPlayer> #include <QDialog> #include <QFile> #include <QTextStream> #include <QFileDialog> #include <QLineEdit> #include <QMessageBox> #include <iostream> #include <fstream> #include <ostream> #include <cstdlib> using namespace std; const double PI = 3.141592; int flag = 1;//标志位 QString time1; QString strTemp; MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); qsrand(time(0)); //创建定时器对象 timer_time = new QTimer(this); //连接超时信号 和 自定义的槽函数 connect(timer_time,SIGNAL(timeout()),this,SLOT(onShowTime())); timer_time->start(1000); QTimer *timer = new QTimer(this); connect(timer,SIGNAL(timeout()),this,SLOT(timerUpdate())); timer->start(1000); QTimer *timer1 = new QTimer(this); connect(timer1,SIGNAL(timeout()),this,SLOT(playMusic())); timer1->start(1000); ShowAlarm(); } MainWindow::~MainWindow() { delete ui; } //显示时间 void MainWindow::onShowTime() { //1.获取系统当前时间 QString stime = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss ddd"); //2.显示到状态栏 ui->label_time->setText(stime); } //显示闹钟 void MainWindow::ShowAlarm() { ItemModel = new QStandardItemModel(this); QStringList strList; QFile file; file.setFileName("alarm.txt"); //打开文件 if(!file.open(QIODevice::ReadOnly | QIODevice::Text)) { qDebug() << "open read file error: " << file.errorString(); return; } QTextStream in(&file); //一行一行读取文件内容 while (!in.atEnd()) { QString line = in.readLine(); if(line == "\n" || line == NULL) { continue; } else { strList.append(line); } } int nCount = strList.size(); for(int i = 0;i < nCount;i++) { QString string = static_cast<QString>(strList.at(i)); QStandardItem *item = new QStandardItem(string); ItemModel->appendRow(item); } ui->listView->setModel(ItemModel); connect(ui->listView,SIGNAL(clicked(QModelIndex)),this,SLOT(DeleteAlarm(QModelIndex))); } void MainWindow::DeleteAlarm(QModelIndex index) { strTemp = index.data().toString(); dialog1 = new QDialog(this); QLabel *label = new QLabel(dialog1); label->setText("确认删除此闹钟吗？"); label->move(20,30); QPushButton *yesBtn = new QPushButton("确定",dialog1); QPushButton *cancelBtn = new QPushButton("取消",dialog1); yesBtn->move(50,60); yesBtn->setFixedSize(50,35); cancelBtn->move(110,60); cancelBtn->setFixedSize(50,35); dialog1->setFixedSize(200,140); dialog1->setWindowTitle("删除闹钟"); connect(yesBtn,SIGNAL(clicked()),this,SLOT(Sure_delete())); connect(cancelBtn,SIGNAL(clicked()),this,SLOT(Cancel_delete())); dialog1->exec(); } //获取旋转角度 QPointF MainWindow::rotateAngle(int angle,int len) { int x,y; x = 150+len*sin(angle*PI/180); y = 150-len*cos(angle*PI/180); return QPointF(x,y); } //绘制时钟界面 void MainWindow::paintEvent(QPaintEvent *) { QTime time = QTime::currentTime(); int timeH = time.hour(); int timeM = time.minute(); int timeS = time.second(); QPainter painter(this); QPen pen; //绘制钟面 pen.setWidth(1); pen.setColor("#333"); painter.setPen(pen); for(int i = 0;i < 60;i++) { painter.drawLine(rotateAngle(6*i,100),rotateAngle(6*i,95)); } pen.setWidth(5); painter.setPen(pen); painter.drawEllipse(QPoint(150,150),100,100); pen.setWidth(3); painter.setPen(pen); for(int i = 0;i < 12;i++) { painter.drawLine(rotateAngle(30*i,100),rotateAngle(30*i,90)); } //绘制秒针 pen.setWidth(8); pen.setColor(Qt::green); painter.setPen(pen); painter.drawLine(QPointF(150, 150), rotateAngle(0.5*(timeH*60+timeM), 40)); //绘制分针 pen.setWidth(6); pen.setColor(Qt::blue); painter.setPen(pen); painter.drawLine(QPointF(150, 150), rotateAngle(6*timeM, 60)); //绘制时针 pen.setWidth(2); pen.setColor(Qt::red); painter.setPen(pen); painter.drawLine(QPointF(150, 150), rotateAngle(6*timeS, 80)); } //更新时钟界面的时间 void MainWindow::timerUpdate() { update(); } //添加闹钟 void MainWindow::on_btn_showtime_clicked() { time1 = ui->timeEdit->text(); //创建文件对象 QFile file("alarm.txt"); //读写打开文件 bool ok = file.open(QIODevice::ReadWrite | QIODevice::Append | QIODevice::Text); if(!ok) { qDebug() << "file open error:" << file.errorString(); return ; } //写文件 QTextStream out(&file); out << time1 << endl; //关闭文件 file.close(); ShowAlarm(); } //播放音乐 void MainWindow::playMusic() { dialog = new QDialog(this); dialog->setFixedSize(200,140); dialog->setWindowTitle("闹钟页面"); QPushButton *stopBtn = new QPushButton("停止闹钟",dialog); stopBtn->move(70,50); stopBtn->setFixedSize(60,40); connect(stopBtn,SIGNAL(clicked()),this,SLOT(stop_play())); QTime time = QTime::currentTime(); int timeH = time.hour(); int timeM = time.minute(); int timeS = time.second(); //创建文件对象 QFile file; file.setFileName("alarm.txt"); //只读打开文件 if(!file.open(QIODevice::ReadOnly | QIODevice::Text)) { qDebug() << "open read file error: " << file.errorString(); return; } QTextStream in(&file); //一行一行读取文件内容 while (!in.atEnd()) { QString line = in.readLine(); if(line == "\n" || line == NULL) { continue; } else { QStringList list = line.split(":"); QString a = list[0]; QString b = list[1]; if(timeH == a.toInt() && timeM == b.toInt() && timeS == 0 &&flag == 1) { flag = 0; player = new QMediaPlayer; player->setMedia(QUrl::fromLocalFile("F:/CloudMusic/1.mp3")); player->setVolume(100); player->play(); dialog->exec(); } } } } //停止音乐 void MainWindow::stop_play() { player->stop(); flag = 1; dialog->close(); } //删除闹钟 --- void MainWindow::Sure_delete() { QFile file("alarm.txt"); file.open(QIODevice::ReadOnly | QIODevice::Text); QTextStream in(&file); QString qline; string line; ofstream outfile("alarm2.txt",ios::out | ios::trunc); while(!in.atEnd()) { qline = in.readLine(); //比较结果不相等才执行outfile if(qline.compare(strTemp)) { line = qline.toStdString(); outfile << line << endl; } } outfile.close(); file.close(); ofstream outfile1("alarm.txt",ios::out | ios::trunc); fstream file1("alarm2.txt"); while(!file1.eof()) { getline(file1,line); outfile1 << line << endl; } outfile1.close(); file1.close(); system(" del alarm2.txt"); dialog1->close(); ShowAlarm(); } void MainWindow::Cancel_delete() { dialog->close(); }