#include "distributewidget.h" #include "ui_DistributeWidget.h" #include DistributeWidget::DistributeWidget(QWidget* parent) : QWidget(parent), ui(new Ui::DistributeWidget) { ui->setupUi(this); //![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] QBarSeries* series = new QBarSeries(); 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(QStringLiteral("涨跌幅分布")); 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(); axisY->setRange(0, 15); 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); QHBoxLayout* layout = new QHBoxLayout; layout->addWidget(chartView); this->setLayout(layout); } DistributeWidget::~DistributeWidget() { delete ui; }