#include "number_of_car.h"
#include "ui_number_of_car.h"
#include <QSqlQuery>
#include <QNetworkRequest>
#include <QDebug>
#include <QMessageBox>
#include <QMovie> // 包含QMovie的头文件

number_of_car::number_of_car(QWidget *parent) : QDialog(parent),
                                                ui(new Ui::number_of_car)
{
    ui->setupUi(this);
    this->setWindowTitle("车场信息");

    //动图
    QMovie *movie = new QMovie(":/car.png");
    ui->label_3->setMovie(movie);
    movie->start();

    this->setWindowFlags(Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);

}

number_of_car::~number_of_car()
{
    delete ui;
}

void number_of_car::on_pushButton_clicked()
{
    this->close();
}

void number_of_car::cnt_slot()
{

    // 使用在 main 中创建的数据库连接，获取当前车场内车辆数
    QSqlDatabase db = QSqlDatabase::database("text01");

    if (!db.isOpen()) {
        QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
        return;
    }

    QString str = QString("select * from cnt where number='%1' ").arg("number_of_c");
    QSqlQuery query(db);
    query.exec(str);
    query.next();
    int cnt = query.value(1).toInt();
    QString cnt_str_1 = QString::number(cnt);
    QString cnt_str_2 = QString::number(100 - cnt);
    // 显示信息
    ui->textBrowser->setText(cnt_str_1);
    ui->textBrowser_2->setText(cnt_str_2);
}