• QT基础 柱状图

    目录

    1.QBarSeries 

    2.QHorizontalBarSeries

    3.QPercentBarSeries

    4.QHorizontalPercentBarSeries

    5.QStackedBarSeries

    6.QHorizontalStackedBarSeries  

     从上图得知柱状的基类是QAbstractBarSeries，派生出来分别是柱状图的水平和垂直类，只是类型行不同

    1.QBarSeries 

    1. //![1]
    2.     QBarSet *set0 = new QBarSet("Jane");
    3.     QBarSet *set1 = new QBarSet("John");
    4.     QBarSet *set2 = new QBarSet("Axel");
    5.     QBarSet *set3 = new QBarSet("Mary");
    6.     QBarSet *set4 = new QBarSet("Samantha");
    7.  
    8.     *set0 << 1 << 2 << 3 << 4 << 5 << 6;
    9.     *set1 << 5 << 0 << 0 << 4 << 0 << 7;
    10.     *set2 << 3 << 5 << 8 << 13 << 8 << 5;
    11.     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
    12.     *set4 << 9 << 7 << 5 << 3 << 1 << 2;
    13. //![1]
    15. //![2]
    16.     QBarSeries *series = new QBarSeries();
    17.     series->append(set0);
    18.     series->append(set1);
    19.     series->append(set2);
    20.     series->append(set3);
    21.     series->append(set4);
    22.  
    23. //![2]
    24.  
    25. //![3]
    26.     QChart *chart = new QChart();
    27.     chart->addSeries(series);
    28.     chart->setTitle("Simple barchart example");
    29.     chart->setAnimationOptions(QChart::SeriesAnimations);
    30. //![3]
    31.  
    32. //![4]
    33.     QStringList categories;
    34.     categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
    35.     QBarCategoryAxis *axisX = new QBarCategoryAxis();
    36.     axisX->append(categories);
    37.     chart->addAxis(axisX, Qt::AlignBottom);
    38.     series->attachAxis(axisX);
    39.  
    40.     QValueAxis *axisY = new QValueAxis();
    41.     axisY->setRange(0,15);
    42.     chart->addAxis(axisY, Qt::AlignLeft);
    43.     series->attachAxis(axisY);
    44. //![4]
    45.  
    46. //![5]
    47.     chart->legend()->setVisible(true);
    48.     chart->legend()->setAlignment(Qt::AlignBottom);
    49. //![5]
    50.  
    51. //![6]
    52.     QChartView *chartView = new QChartView(chart);
    53.     chartView->setRenderHint(QPainter::Antialiasing);

    2.QHorizontalBarSeries

    1.     //![1]
    2.         QBarSet *set0 = new QBarSet("Jane");
    3.         QBarSet *set1 = new QBarSet("John");
    4.         QBarSet *set2 = new QBarSet("Axel");
    5.         QBarSet *set3 = new QBarSet("Mary");
    6.         QBarSet *set4 = new QBarSet("Samantha");
    7.  
    8.         *set0 << 1 << 2 << 3 << 4 << 5 << 6;
    9.         *set1 << 5 << 0 << 0 << 4 << 0 << 7;
    10.         *set2 << 3 << 5 << 8 << 13 << 8 << 5;
    11.         *set3 << 5 << 6 << 7 << 3 << 4 << 5;
    12.         *set4 << 9 << 7 << 5 << 3 << 1 << 2;
    13.     //![1]
    15.     //![2]
    16.         QHorizontalBarSeries *series = new QHorizontalBarSeries();
    17.         series->append(set0);
    18.         series->append(set1);
    19.         series->append(set2);
    20.         series->append(set3);
    21.         series->append(set4);
    22.     //![2]
    23.  
    24.     //![3]
    25.         QChart *chart = new QChart();
    26.         chart->addSeries(series);
    27.         chart->setTitle("Simple horizontal barchart example");
    28.         chart->setAnimationOptions(QChart::SeriesAnimations);
    29.  
    30.  
    31.     //![3]
    32.  
    33.     //![4]
    34.        QStringList categories;
    35.        categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
    36.        QBarCategoryAxis *axisY = new QBarCategoryAxis();
    37.        axisY->append(categories);
    38.        chart->addAxis(axisY, Qt::AlignLeft);
    39.        series->attachAxis(axisY);
    40.        QValueAxis *axisX = new QValueAxis();
    41.        chart->addAxis(axisX, Qt::AlignBottom);
    42.        series->attachAxis(axisX);
    43.        axisX->applyNiceNumbers();
    44.     //![4]
    45.  
    46.     //![5]
    47.         chart->legend()->setVisible(true);
    48.         chart->legend()->setAlignment(Qt::AlignBottom);
    49.  
    50.     //![5]
    51.  
    52.     //![6]
    53.         QChartView *chartView = new QChartView(chart);
    54.         chartView->setRenderHint(QPainter::Antialiasing);
    55.         
    56.     //![6]

     

    3.QPercentBarSeries

    1. //![1]
    2.     QBarSet *set0 = new QBarSet("Jane");
    3.     QBarSet *set1 = new QBarSet("John");
    4.     QBarSet *set2 = new QBarSet("Axel");
    5.     QBarSet *set3 = new QBarSet("Mary");
    6.     QBarSet *set4 = new QBarSet("Samantha");
    7.  
    8.     *set0 << 1 << 2 << 3 << 4 << 5 << 6;
    9.     *set1 << 5 << 0 << 0 << 4 << 0 << 7;
    10.     *set2 << 3 << 5 << 8 << 13 << 8 << 5;
    11.     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
    12.     *set4 << 9 << 7 << 5 << 3 << 1 << 2;
    13. //![1]
    15. //![2]
    16.     QPercentBarSeries *series = new QPercentBarSeries();
    17. 	series->append(set0);
    18. 	series->append(set1);
    19. 	series->append(set2);
    20. 	series->append(set3);
    21. 	series->append(set4);
    22. //![2]
    23.  
    24. //![3]
    25.     QChart *chart = new QChart();
    26.     chart->addSeries(series);
    27.     chart->setTitle("Simple barchart example");
    28.     chart->setAnimationOptions(QChart::SeriesAnimations);
    29. //![3]
    30.  
    31. //![4]
    32.     QStringList categories;
    33. 	categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
    34. 	QBarCategoryAxis *axisX = new QBarCategoryAxis();
    35. 	axisX->append(categories);
    36. 	chart->addAxis(axisX, Qt::AlignBottom);
    37. 	series->attachAxis(axisX);
    38. 	QValueAxis *axisY = new QValueAxis();
    39. 	chart->addAxis(axisY, Qt::AlignLeft);
    40. 	series->attachAxis(axisY);
    41.  
    42. //![4]
    43.  
    44. //![5]
    45.     chart->legend()->setVisible(true);
    46.     chart->legend()->setAlignment(Qt::AlignBottom);
    47. //![5]
    48.  
    49. //![6]
    50.     QChartView *chartView = new QChartView(chart);
    51.     chartView->setRenderHint(QPainter::Antialiasing);

    4.QHorizontalPercentBarSeries

    1. //![1]
    2.     QBarSet *set0 = new QBarSet("Jane");
    3.     QBarSet *set1 = new QBarSet("John");
    4.     QBarSet *set2 = new QBarSet("Axel");
    5.     QBarSet *set3 = new QBarSet("Mary");
    6.     QBarSet *set4 = new QBarSet("Samantha");
    7.  
    8.     *set0 << 1 << 2 << 3 << 4 << 5 << 6;
    9.     *set1 << 5 << 0 << 0 << 4 << 0 << 7;
    10.     *set2 << 3 << 5 << 8 << 13 << 8 << 5;
    11.     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
    12.     *set4 << 9 << 7 << 5 << 3 << 1 << 2;
    13. //![1]
    15. //![2]
    16.     QHorizontalPercentBarSeries  *series = new QHorizontalPercentBarSeries ();
    17. 	series->append(set0);
    18. 	series->append(set1);
    19. 	series->append(set2);
    20. 	series->append(set3);
    21. 	series->append(set4);
    22. //![2]
    23.  
    24. //![3]
    25.     QChart *chart = new QChart();
    26.     chart->addSeries(series);
    27.     chart->setTitle("Simple barchart example");
    28.     chart->setAnimationOptions(QChart::SeriesAnimations);
    29. //![3]
    30.  
    31. //![4]
    32.     QStringList categories;
    33. 	categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
    34. 	QBarCategoryAxis *axisY = new QBarCategoryAxis();
    35. 	axisY->append(categories);
    36. 	chart->addAxis(axisY, Qt::AlignLeft);
    37. 	series->attachAxis(axisY);
    38. 	QValueAxis *axisX = new QValueAxis();
    39. 	chart->addAxis(axisX, Qt::AlignBottom);
    40. 	series->attachAxis(axisX);
    41. //![4]
    42.  
    43. //![5]
    44.     chart->legend()->setVisible(true);
    45.     chart->legend()->setAlignment(Qt::AlignBottom);
    46. //![5]
    47.  
    48. //![6]
    49.     QChartView *chartView = new QChartView(chart);
    50.     chartView->setRenderHint(QPainter::Antialiasing);

     

    5.QStackedBarSeries

    1.  //![1]
    2.         QBarSet *set0 = new QBarSet("Jane");
    3.         QBarSet *set1 = new QBarSet("John");
    4.         QBarSet *set2 = new QBarSet("Axel");
    5.         QBarSet *set3 = new QBarSet("Mary");
    6.         QBarSet *set4 = new QBarSet("Samantha");
    7.  
    8.         *set0 << 1 << 2 << 3 << 4 << 5 << 6;
    9.         *set1 << 5 << 0 << 0 << 4 << 0 << 7;
    10.         *set2 << 3 << 5 << 8 << 13 << 8 << 5;
    11.         *set3 << 5 << 6 << 7 << 3 << 4 << 5;
    12.         *set4 << 9 << 7 << 5 << 3 << 1 << 2;
    13.     //![1]
    15.     //![2]
    16.         QStackedBarSeries *series = new QStackedBarSeries();
    17.         series->append(set0);
    18.         series->append(set1);
    19.         series->append(set2);
    20.         series->append(set3);
    21.         series->append(set4);
    22.     //![2]
    23.  
    24.     //![3]
    25.         QChart *chart = new QChart();
    26.         chart->addSeries(series);
    27.         chart->setTitle("Simple barchart example");
    28.         chart->setAnimationOptions(QChart::SeriesAnimations);
    29.     //![3]
    30.  
    31.     //![4]
    32.         QStringList categories;
    33.         categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
    34.         QBarCategoryAxis *axisX = new QBarCategoryAxis();
    35.         axisX->append(categories);
    36.         chart->addAxis(axisX, Qt::AlignBottom);
    37.         series->attachAxis(axisX);
    38.         QValueAxis *axisY = new QValueAxis();
    39.         chart->addAxis(axisY, Qt::AlignLeft);
    40.         series->attachAxis(axisY);
    41.  
    42.     //![4]
    43.  
    44.     //![5]
    45.         chart->legend()->setVisible(true);
    46.         chart->legend()->setAlignment(Qt::AlignBottom);
    47.     //![5]
    48.  
    49.     //![6]
    50.         QChartView *chartView = new QChartView(chart);
    51.         chartView->setRenderHint(QPainter::Antialiasing);

    6.QHorizontalStackedBarSeries  

    1. //![1]
    2.     QBarSet *set0 = new QBarSet("Jane");
    3.     QBarSet *set1 = new QBarSet("John");
    4.     QBarSet *set2 = new QBarSet("Axel");
    5.     QBarSet *set3 = new QBarSet("Mary");
    6.     QBarSet *set4 = new QBarSet("Samantha");
    7.  
    8.     *set0 << 1 << 2 << 3 << 4 << 5 << 6;
    9.     *set1 << 5 << 0 << 0 << 4 << 0 << 7;
    10.     *set2 << 3 << 5 << 8 << 13 << 8 << 5;
    11.     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
    12.     *set4 << 9 << 7 << 5 << 3 << 1 << 2;
    13. //![1]
    15. //![2]
    16.     QHorizontalStackedBarSeries *series = new QHorizontalStackedBarSeries();
    17.     series->append(set0);
    18.     series->append(set1);
    19.     series->append(set2);
    20.     series->append(set3);
    21.     series->append(set4);
    22.  
    23. //![2]
    24.  
    25. //![3]
    26.     QChart *chart = new QChart();
    27.     chart->addSeries(series);
    28.     chart->setTitle("Simple horizontal stacked barchart example");
    29.     chart->setAnimationOptions(QChart::SeriesAnimations);
    30. //![3]
    31.  
    32. //![4]
    33.     QStringList categories;
    34.     categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
    35.     QBarCategoryAxis *axisY = new QBarCategoryAxis();
    36.     axisY->append(categories);
    37.     chart->addAxis(axisY, Qt::AlignLeft);
    38.     series->attachAxis(axisY);
    39.  
    40.     QValueAxis *axisX = new QValueAxis();
    41.     chart->addAxis(axisX, Qt::AlignBottom);
    42.     series->attachAxis(axisX);
    43. //![4]
    44.  
    45. //![5]
    46.     chart->legend()->setVisible(true);
    47.     chart->legend()->setAlignment(Qt::AlignBottom);
    48. //![5]
    49.  
    50. //![6]
    51.     QChartView *chartView = new QChartView(chart);
    52.     chartView->setRenderHint(QPainter::Antialiasing);
    53. //![6]

  • 相关阅读:
    堪称经典，一个非常适合初学者的机器学习实战案例
    vue实现自定义指令和指令的周期
    经典算法之快速排序
    KmeansR趋势分析
    一、Audio-音频简介
    【8】c++11新特性 —＞右值引用（2）
    【数据结构与算法】二叉树的遍历和线索二叉树
    Mojo：为Web应用程序提供了完整的框架，包括路由、模板、插件、Websocket、HTTP客户端、HTTP服务器、配置文件管理等功能
    如何使用IDEA导入Maven项目
    reportlab 生成pdf文件 （python）
  • 原文地址：https://blog.csdn.net/qq_31565379/article/details/133923425