基于Qt的智能停车场.rar

#include "mainwindow.h" #include "ui_mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); camera = nullptr; ui->btnConnect->setDisabled(true); win_login = new LoginWindow(this); win_login->show(); connect(win_login,&LoginWindow::mySignal,this,&MainWindow::loginSuccess); connect(win_login,&LoginWindow::exit_sys,this,&MainWindow::close); win_cfg = new GateCfgWindow(this); connect(win_cfg,&GateCfgWindow::cfg_finish,this,&MainWindow::recv_cfg_info); server = new QTcpServer(this); connect(server,&QTcpServer::newConnection,this,&MainWindow::resolve_conn); QString host_name = QHostInfo::localHostName(); QHostInfo info = QHostInfo::fromName(host_name); foreach(QHostAddress addr,info.addresses()) { if(addr.protocol() == QAbstractSocket::IPv4Protocol) { //ui->lineEdit->setText(addr.toString()); server_ip = addr.toString(); break; } qDebug()<<addr.toString(); } //ui->lineEdit_2->setText("5000"); server_port = 6000; this->resize(800,600); gate_number = 0; DataBaseInit(); } MainWindow::~MainWindow() { qDebug()<<"man window destructor"; delete ui; //delete win_login; delete win_cfg; delete server; if(camera) { qDebug()<<"delete camera"; delete camera; delete viewFinder; delete imageCapture; } } void MainWindow::DataBaseInit() { query = new QSqlQuery(LoginWindow::database); //创建表格 bool res; res = query->exec("SELECT count(*) from sqlite_master where type='table' and name='car_info'"); if(!res) { qDebug() << "Error: Fail to select table."<< query->lastError(); return; } if(query->next()) { qDebug()<<query->value(0)<<","<<query->value(1); if(query->value(0).toInt() > 0) { qDebug("table car_info already exist"); return; } } res = query->exec("create table car_info(id INTEGER primary key AUTOINCREMENT not null,car_id text,time_in DATETIME,time_out DATETIME,consume float,stat text)"); if(!res) { qDebug() << "Error: Fail to create table."<< query->lastError(); } } void MainWindow::start_camera() { //摄像头初始化 QList<QCameraInfo> list; list = QCameraInfo::availableCameras(); for (int i = 0; i < list.size(); i++) { qDebug() << list.at(i).deviceName(); //获取设备名称 qDebug() << list.at(i).description(); qDebug() << list.at(i).position(); qDebug() << "###############"; } //camera = new QCamera("@device:pnp:\\\\?\\usb#vid_0ac8&pid_301b#5&269f9a9d&0&3#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\\global",this); camera = new QCamera(this); viewFinder = new QCameraViewfinder(this); //viewFinder->setGeometry(); //viewFinder->resize(100,100); imageCapture = new QCameraImageCapture(camera); //ui->verticalLayout->addWidget(viewFinder); imageCapture->setCaptureDestination(QCameraImageCapture::CaptureToFile); camera->setCaptureMode(QCamera::CaptureStillImage); camera->setViewfinder(viewFinder); //ui->labelGate1->setScaledContents(true); connect(imageCapture,&QCameraImageCapture::imageCaptured,this,&MainWindow::cameraImgCaptureSlot); camera->start(); } void MainWindow::closeEvent(QCloseEvent *event) { qDebug("关闭主窗口"); int res = QMessageBox::information(this,tr("提示"),tr("真的关闭窗口吗?"),tr("Yes"),tr("No"),nullptr); qDebug()<<"res = "<<res; if(0 == res) { if(camera) camera->stop(); event->accept(); } if(1 == res) { event->ignore(); } } void MainWindow::cameraImgCaptureSlot(int,const QImage& img) { if(gate_number == 1) ui->labelGate1->setPixmap(QPixmap::fromImage(img)); if(gate_number == 2) ui->labelGate2->setPixmap(QPixmap::fromImage(img)); qDebug("capture"); } void MainWindow::loginSuccess() { // win_login->close(); win_login->hide(); //delete win_login; this->show(); start_camera(); qDebug()<<"启动摄像头"; } void MainWindow::onBtnGate1Config() { ui->btnConnect->setDisabled(true); qDebug()<<"配置服务器网络"; win_cfg->set_ip_port(server_ip,server_port); win_cfg->show(); } void MainWindow::on_btnConnect_clicked() { qDebug()<<"与闸机建立通信"; if(ui->btnConnect->text() == "通信连接") { if(!server->listen(QHostAddress(server_ip),static_cast<quint16>(server_port))) { QMessageBox::warning(this,"警告","监听失败"); } else { ui->btnConnect->setText(tr("通信断开")); ui->btnCfg->setDisabled(true); } } else { ui->btnConnect->setText(tr("通信连接")); ui->btnCfg->setDisabled(false); server->close(); } } void MainWindow::resolve_conn() { qDebug()<<"闸机连接到服务端"; client = server->nextPendingConnection();//取出一次连接。 connect(client,&QTcpSocket::readyRead,this,&MainWindow::resolve_incomming_data); //clientlist.push_back(client); // ui->comboBox->addItem(); } void MainWindow::resolve_incomming_data() { static QByteArray array; static QString msg; if(client->isReadable()) { QHostAddress addr = client->peerAddress(); QString port = QString::number(client->peerPort(),10); QString info = QString("【") + QString("recvfrom ") + addr.toString() + QString(":")+port+QString("】:"); //ui->textEdit->append(addr.toString()); //ui->textEdit->append(",port:"); //ui->textEdit->append(QString::number(client->peerPort())); //ui->textEdit->append(":\n"); ui->textEdit->append(info); array = client->readAll(); //msg = QString::fromUtf8(array); msg = QString::fromLocal8Bit(array);//转码操作 qDebug()<<msg; QStringList list = msg.split(" "); foreach(QString s,list) { qDebug()<<s; } if(list[0] == "1#") { qDebug()<<"1#闸机进车"; ui->gate_info_1->setText(list[1] + " " + QTime::currentTime().toString()); gate_number = 1; imageCapture->capture(); bool res; res = query->exec(QString("INSERT INTO car_info(id,car_id,time_in) VALUES(NULL,\"%1\", \"%2\")")\ .arg(list[1]).arg(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss"))); if(!res) { qDebug() << query->lastError(); } } else if(list[0] == "2#") { qDebug()<<"2#闸机进车"; ui->gate_info_2->setText(list[1]); gate_number = 2; imageCapture->capture(); bool res; res = query->exec(QString("update car_info set time_out=\"%1\" where car_id=\"%2\"")\ .arg(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss")).arg(list[1])); if(!res) { qDebug() << query->lastError(); } qDebug()<<"本次消费:"<<getConsum(list[1]); } ui->textEdit->append(msg); } } float MainWindow::getConsum(const QString& carid) { bool res; res = query->exec(QString("select (julianday(time_out)-julianday(time_in))*24*60 from car_info where car_id='%1'").arg(carid)); if(!res) { qDebug() << query->lastError(); } if(query->next()) { qDebug()<<query->value(0); } int min = query->value(0).toInt