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   源码介绍

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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "qfiledialog.h"

#include <QCoreApplication>
#include <QFile>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QTextStream>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

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

bool MainWindow::convertToGpx(const QString &jsonFilePath, const QString &gpxFilePath)
{
    QFile jsonFile(jsonFilePath);
    if (!jsonFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
        qWarning("Cannot open file for reading.");
        return false;
    }

    QByteArray jsonData = jsonFile.readAll();
    QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData);

    if (!jsonDoc.isObject()) {
        qWarning("Invalid JSON format.");
        return false;
    }

    QJsonObject rootObj = jsonDoc.object();
    QJsonObject pageResult = rootObj.value("pageResult").toObject();
    QJsonArray entityList = pageResult.value("entityList").toArray();

    QFile gpxFile(gpxFilePath);
    if (!gpxFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
        qWarning("Cannot open file for writing.");
        return false;
    }

    QTextStream out(&gpxFile);
    out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
    out << "<gpx version=\"1.1\" creator=\"QtGPSConverter\">\n";
    out << "<trk>\n";
    out << "<trkseg>\n";

    for (const QJsonValue &value : entityList) {
        QJsonObject gpsData = value.toObject();
        double lat = gpsData.value("lat").toDouble();
        double lng = gpsData.value("lng").toDouble();
        QString time = gpsData.value("uTCTime").toString();

        out << "<trkpt lat=\"" << lat << "\" lon=\"" << lng << "\">\n";
        out << "<time>" << time << "</time>\n";
        out << "</trkpt>\n";
    }

    out << "</trkseg>\n";
    out << "</trk>\n";
    out << "</gpx>\n";

    jsonFile.close();
    gpxFile.close();

    return true;
}
void MainWindow::on_pBSiRuiFile_clicked()
{
    fileName = QFileDialog::getOpenFileName(this, tr("打开思锐文件"), QDir::currentPath());
    if (ui->lEOutputFileName->text().isEmpty()) {
        QString strTemp = fileName;
        QFileInfo fileInfo(fileName);
        QString fileExtension = fileInfo.suffix();
        strTemp = strTemp.replace(fileExtension, "gpx");
        ui->lEOutputFileName->setText(strTemp );
    }
    if (!fileName.isEmpty()) {
        ui->lEInputFileName->setText(fileName);
    }

}


void MainWindow::on_pBGpxFile_clicked()
{
    // QString fileName = QFileDialog::getOpenFileName(this, tr("选择输出文件"), QDir::currentPath());
    filePath = QFileDialog::getSaveFileName(this,
                                            tr("选择输出GPX路径"),
                                            QDir::currentPath(),
                                            tr("Text files (*.gpx);"));

    if (!filePath.isEmpty()) {
        ui->lEOutputFileName->setText(filePath);
    }
}


void MainWindow::on_pushButton_clicked()
{
    QString jsonFilePath =  ui->lEInputFileName->text(); // 输入JSON文件路径
    QString gpxFilePath = ui->lEOutputFileName->text(); // 输出GPX文件路径

    if (convertToGpx(jsonFilePath, gpxFilePath)) {
        ui->statusbar->clearMessage();
        ui->statusbar->showMessage("-> 转换为Gpx格式成功！", 0);

    } else {
        ui->statusbar->clearMessage();
        ui->statusbar->showMessage("-> 转换为Gpx失败！", 0);
    }


}