emsApplication/applications/emsConfigurer/mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QPixmap>
#include <QMessageBox>
#include <QRegularExpression>
#include <QRegularExpressionValidator>

#include <hv/hlog.h>
#include "MainDialog.h"
#include "mysqlutils.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
    , m_pMainDialog(nullptr)
{
    ui->setupUi(this);
    this->setWindowIcon(QIcon(":/images/icon.png"));

    QPixmap pixmap(":/images/hj-net.png");
    pixmap = pixmap.scaled(250, 75, Qt::KeepAspectRatio, Qt::SmoothTransformation);  // 按比例缩放
    ui->label_logo->setPixmap(pixmap);

    QString qsLineEditStyle("QLineEdit { min-height: 20px; min-width: 120px; }");
    ui->userToken->setStyleSheet(qsLineEditStyle);
    ui->serverIp->setStyleSheet(qsLineEditStyle);

    QRegularExpression rx("^((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)$");
    QRegularExpressionValidator* ipValidator = new QRegularExpressionValidator(rx, this);
    ui->serverIp->setValidator(ipValidator);
    //setIp("127.0.0.1");
    setIp("192.168.10.254");
}

MainWindow::~MainWindow()
{
    delete ui;
    if (m_pMainDialog)
    {
        delete m_pMainDialog;
        m_pMainDialog = nullptr;
    }
}

void MainWindow::setIp(const QString &ip)
{
    ui->serverIp->setText(ip);
}

bool MainWindow::testDatabase()
{
    QString svr = ui->serverIp->text();
    std::string dbserver = svr.toStdString(); //"tcp://192.168.4.254";
    int dbport = 3306;
    std::string dbuser = "root";
    std::string dbpasswd = "Hj57471000";
    std::string dbname = "hjems";
    bool dbok = MysqlUtils::getInstance()->OpenDatabase(dbserver,dbport,dbuser,dbpasswd,dbname);
    if (!dbok)
    {
        hloge("failed to open database, exit now...");
        return false;
    }

    hlogi("database connection test successfully!");
    return true;
}

void MainWindow::on_pb_Logon_clicked()
{
    if (testDatabase())
    {
        m_pMainDialog = new MainDialog();
        m_pMainDialog->show();
        this->close();
    }
    else
    {
        QMessageBox::critical(this, tr("Critical Message"),tr("Failed to retrieve device data!"));
    }
}


void MainWindow::on_pb_Test_clicked()
{
    if (testDatabase())
        QMessageBox::information(this, tr("Successfully"),tr("Connect to device successfully!"));
    else
        QMessageBox::critical(this, tr("Critical Message"),tr("Failed to connect to device!"));
}