超简单的 stackedbarchart

时间:2023-02-22 15:17:09

#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCharts/QChartView>
#include <QtCharts/QStackedBarSeries>
#include <QtCharts/QBarSet>
#include <QtCharts/QLegend>
#include <QtCharts/QBarCategoryAxis>
#include <QtCharts/QValueAxis>

QT_CHARTS_USE_NAMESPACE

int main(int argc, char *argv[])
{
QApplication a(argc, argv);

//![1]
QBarSet *set0 = new QBarSet("Jane");
QBarSet *set1 = new QBarSet("John");
QBarSet *set2 = new QBarSet("Axel");
QBarSet *set3 = new QBarSet("Mary");
QBarSet *set4 = new QBarSet("Samantha");

*set0 << 1 << 2 << 3 << 4 << 5 << 6;
*set1 << 5 << 0 << 0 << 4 << 0 << 7;
*set2 << 3 << 5 << 8 << 13 << 8 << 5;
*set3 << 5 << 6 << 7 << 3 << 4 << 5;
*set4 << 9 << 7 << 5 << 3 << 1 << 2;
//![1]

//![2]
QStackedBarSeries *series = new QStackedBarSeries();
series->append(set0);
series->append(set1);
series->append(set2);
series->append(set3);
series->append(set4);
//![2]

//![3]
QChart *chart = new QChart();
chart->addSeries(series);
chart->setTitle("Simple stackedbarchart");
chart->setAnimationOptions(QChart::SeriesAnimations);
//![3]

//![4]
QStringList categories;
categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
QBarCategoryAxis *axisX = new QBarCategoryAxis();
axisX->append(categories);
chart->addAxis(axisX, Qt::AlignBottom);
series->attachAxis(axisX);
QValueAxis *axisY = new QValueAxis();
chart->addAxis(axisY, Qt::AlignLeft);
series->attachAxis(axisY);
//![4]

//![5]
chart->legend()->setVisible(true);
chart->legend()->setAlignment(Qt::AlignBottom);
//![5]

//![6]
QChartView *chartView = new QChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
//![6]

//![7]
QMainWindow window;
window.setCentralWidget(chartView);
window.resize(420, 300);
window.show();
//![7]

return a.exec();
}

超简单的 stackedbarchart