#include?“DataFile.hpp“

#include?

#include?

DataFile::DataFile（Qobject?*parent）?:?Qobject（parent）?{}

void?DataFile::initChartViewobject（QQuickView?*view）?{
????mChartViewobject?=?view->contentItem（）->findChild（“l(fā)ineSeriesChartobject“）;
????if?（mChartViewobject?==?nullptr）?{
????????qWarning（）?<ject?failed“;
????}
}

void?DataFile::readFile（const?QUrl?&url）?{
????mDataPointsList.clear（）;
????QString?fileName?=?url.toLocalFile（）;

????QFile?file（fileName）;

????if?（!file.open（QFile::ReadOnly））?{
????????qWarning（）?<????????return;
????}

????QTextStream?in（&file）;
????QString?lineStr?=?““;
????QStringList?singleData;

????while?（!in.atEnd（））?{
????????lineStr?=?in.readLine（）;

????????if?（lineStr?!=?““）?