Qt制作图表生成器

基于Qt中的QCharts模块制作图表生成器软件

添加模块

QT += charts;

添加命名空间 

using namespace QtCharts;

该软件可制作多种图表

多样化主题设置

保存移植便捷快速

输入相关数据,自动生成对应图表

饼图

void MainWindow::CreatePie(int num,QString title,QString text,bool Is_checked,bool Is_title,bool Is_display)
{
    this->Clear();
     QPieSeries *m_pieSeries = new QPieSeries();
    QMap<QString,int> map;
    QMap<QString,double> map_per;
    QStringList list;
    //获取用户输入的标签以及相应占比
    {
        for(int i = 0;i<num;i++)
        {
            QString str = text.section(',',i,i);
            QString example = str.section(' ',0,0);
            int value = str.section(' ',1,1).toUInt();
            map.insert(example,value);
            list.append(example);
        }
    }
    //处理数据,根据用户输入的数值算出相应百分比
    {
        int sum = 0;
        for(int i = 0;i<num;i++)
        {
            sum += map.value(list.at(i)); //算出总数据
        }
        for(int i = 0;i<num;i++)
        {
            double percent = map.value(list.at(i))*1.0/sum * 100;   // 24 30
            map_per.insert(list.at(i),percent);
        }

    }
    //添加标签
    if(Is_display)
    {
        for(int i = 0;i<num;i++)
        {
            QString str = QString(list.at(i) + "%1").arg(QString::number(map_per.value(list.at(i)),'f',1) + "%");
            m_pieSeries->append(str,map_per.value(list.at(i)));
        }
    }
    else
    {
        for(int i = 0;i<num;i++)
        {
            m_pieSeries->append(list.at(i),map_per.value(list.at(i)));
        }
    }


     if(Is_checked) //片标签选项被勾选
     {
         m_pieSeries->setLabelsVisible(true);//设置所有片标签为可见
     }
     m_pieSeries->setUseOpenGL(true);

     //设置颜色
     for(int i = 0;i<num;i++)
     {
         m_pieSeries->slices().at(i)->setColor(colorlist.at(i)); //饼图颜色
         m_pieSeries->slices().at(i)->setLabelColor(colorlist.at(i));//标签颜色
     }
     //设置主题
     m_chart->setTheme(QChart::ChartThemeBlueCerulean);

     //添加系列到QChart
     m_chart->addSeries(m_pieSeries);
     if(Is_title)
     Title(title);//标题样式
      Legend();//说明样例
      Show();//视图显示
}

柱状图

void MainWindow::CreateBargraph(QString title, QString X_name, QString Y_name,
int num, bool Is_title, QString X_text, QString Data_text,QString Barset,int min,int max)
{
    this->Clear();
    QStringList barsetlist;
    //获取用户输入的系列信息
    for(int i = 0;i<num;i++)  //水果,零食,饮料,烟酒
    {
        QString barset = Barset.section(',',i,i);
        barsetlist.append(barset);
    }
    //获取用户输入的系列数据 112,150,153,124  145,152,163,123  145,152,163,123 145,152,163,123
     QStringList datalist = Data_text.split(' ');
     QBarSeries *series = new QBarSeries();
    //创建系列数据
    for(int i = 0;i<num;i++)
    {
        QList<QString> dlist = datalist.at(i).split(',');
         QBarSet* set = new QBarSet(barsetlist.at(i));
        for(int j = 0;j<dlist.size();j++)
        {
            set->append(dlist.at(j).toDouble());//向系列添加数据
        }
        set->setColor(colorlist.at(i));//设置系列颜色
        series->append(set);
     }
    series->setVisible(true);
     series->setLabelsVisible(true);

     //设置m_chart主题,并将系列添加到m_chart上
     m_chart->setTheme(QChart::ChartThemeLight);//设置白色主题
     m_chart->setDropShadowEnabled(true);//背景阴影
     m_chart->addSeries(series);//添加系列到QChart上

     //创建X轴和Y轴
     QBarCategoryAxis *axisX = new QBarCategoryAxis;
     QStringList X_List = X_text.split(','); //一月,二月,三月,四月
     for(int i = 0;i<X_List.size();i++)
     {
         axisX->append(X_List.at(i));
     }
     QValueAxis *axisY = new QValueAxis;
     //设置Y坐标的范围
     axisY->setRange(min,max);
     axisY->setLabelFormat("%d");//设置数值格式     

     Axis(axisX,axisY,X_name,Y_name);//设置坐标轴样式
     //将坐标添加到图表
     m_chart->setAxisX(axisX,series);
     m_chart->setAxisY(axisY,series);

     if(Is_title) //显示标题勾选
     Title(title);//标题样式
     Legend();//说明样例
     Show();//视图显示


}

曲线

void MainWindow::CreatePolyline(QString title, int num, bool Is_title,bool Is_pos,QString X_name, QString Y_name,
                                double X_min, double X_max, double Y_min, double Y_max, QString text, QString data)
{
    this->Clear();
    QList<QPointF> plist;
    QStringList namelist = text.split(',');
    //创建X轴和Y轴
    QValueAxis *axisX = new QValueAxis;
    axisX->setRange(X_min,X_max);    //默认则坐标为动态计算大小的(会根据数据输入的X,Y最大值确定)
    axisX->setLabelFormat("%.2f");
    QValueAxis *axisY = new QValueAxis;
    axisY->setRange(Y_min,Y_max);    //默认则坐标为动态计算大小的
     axisY->setLabelFormat("%.2f");

     Axis(axisX,axisY,X_name,Y_name);//设置坐标轴样式

    //20,50 30,60 40,70#30,60 40,45 55,60
    for(int i = 0;i<num;i++)
    {
        QLineSeries *series1 = new QLineSeries();//实例化QLineSeries(曲线数据)
        series1->setColor(colorlist.at(i)); //设置曲线颜色
        series1->setName(namelist.at(i)); //设置名字
        series1->setVisible(true);
        series1->setPointLabelsFormat("(@xPoint,@yPoint)");
        series1->setPointLabelsFont(QFont("楷体",12));
        if(Is_pos)
            series1->setPointLabelsVisible(true);
        else
            series1->setPointLabelsVisible(false);

        QString pos = data.section('#',i,i);
        QStringList list = pos.split(' ');
        for(int j = 0;j<list.size();j++)
        {
            double x = list.at(j).section(',',0,0).toDouble();
            double y = list.at(j).section(',',1,1).toDouble();
            series1->append(x,y);
        }
        m_chart->addSeries(series1);//添加系列到QChart上
        m_chart->setAxisX(axisX,series1);
        m_chart->setAxisY(axisY,series1);
    }
    //m_chart->createDefaultAxes();             //或者创建默认轴

        m_chart->setTheme(QChart::ChartThemeBlueNcs);//设置蓝色主题
        m_chart->setDropShadowEnabled(true);//背景阴影
        m_chart->setAutoFillBackground(true);  //设置背景自动填充

        if(Is_title) //显示标题勾选
        Title(title);//标题样式
         Legend();//说明样例
       Show();//视图显示
}

 折线图

void MainWindow::CreateCurve(QString title,int num,bool Is_title,bool Is_pos,QString X_name,QString Y_name,double X_min,
                             double X_max,double Y_min,double Y_max,QString text,QString data )
{
    this->Clear();
    QList<QPointF> plist;
    QStringList namelist = text.split(',');
    //创建X轴和Y轴
    QValueAxis *axisX = new QValueAxis(m_chart);
    axisX->setRange(X_min,X_max);    //默认则坐标为动态计算大小的
    axisX->setLabelFormat("%.2f");
    QValueAxis *axisY = new QValueAxis(m_chart);
    axisY->setRange(Y_min,Y_max);    //默认则坐标为动态计算大小的
     axisY->setLabelFormat("%.2f");

    Axis(axisX,axisY,X_name,Y_name);//设置坐标轴样式

    //20,50 30,60 40,70#30,60 40,45 55,60
    for(int i = 0;i<num;i++)
    {
        QSplineSeries *series1 = new QSplineSeries();//实例化QLineSeries(曲线数据)
        series1->setColor(colorlist.at(i)); //设置曲线颜色
        series1->setName(namelist.at(i)); //设置名字
        series1->setVisible(true);
        series1->setPointLabelsFormat("(@xPoint,@yPoint)");
        series1->setPointLabelsFont(QFont("楷体",12));
        if(Is_pos)
            series1->setPointLabelsVisible(true);
        else
            series1->setPointLabelsVisible(false);

        QString pos = data.section('#',i,i);
        QStringList list = pos.split(' ');
        for(int j = 0;j<list.size();j++)
        {
            double x = list.at(j).section(',',0,0).toDouble();
            double y = list.at(j).section(',',1,1).toDouble();
            series1->append(x,y);
        }
        m_chart->addSeries(series1);//添加系列到QChart上
        m_chart->setAxisX(axisX,series1);
        m_chart->setAxisY(axisY,series1);
    }
        m_chart->setTheme(QChart::ChartThemeBlueNcs);//设置蓝色主题
        m_chart->setDropShadowEnabled(true);//背景阴影
        m_chart->setAutoFillBackground(true);  //设置背景自动填充

        //m_chart->createDefaultAxes();             //或者创建默认轴
       if(Is_title) //显示标题勾选
       Title(title);//标题样式
       Legend();//说明样例
       Show();//视图显示

}

面积图

void MainWindow::CreateArea(QString title, QString seriesname, bool Is_title,QString X_name,
                            QString Y_name, double X_min, double X_max, double Y_min, double Y_max, QString data)
{
   this->Clear();
   //25,20 26,21 30,25#25,30 26,27 29,29
   QStringList linelist = data.split('#');
   QSplineSeries* series1 = new QSplineSeries();
   QSplineSeries* series2 = new QSplineSeries();  
   for(int i = 0;i<linelist.size();i++)
   {
       QStringList poslist = linelist.at(i).split(' ');
       for(int j = 0;j<poslist.size();j++)
       {
           double x = poslist.at(j).section(',',0,0).toDouble();
           double y = poslist.at(j).section(',',1,1).toDouble();
           if(i == 0)
           {
               series1->append(x,y);
           }
           else if(i == 1)
           {
               series2->append(x,y);
           }
       }
   }
   QAreaSeries* areaseries = new QAreaSeries(series1,series2);
   areaseries->setName(seriesname);
   QPen pen(0x059605);
   pen.setWidth(4);
   areaseries->setPen(pen);

      m_chart->addSeries(areaseries);
      m_chart->setTheme(QChart::ChartTheme::ChartThemeBlueIcy);

   QValueAxis* axisX = new QValueAxis();
   axisX->setRange(X_min,X_max);

   QValueAxis* axisY = new QValueAxis();
   axisY->setRange(Y_min,Y_max);

   Axis(axisX,axisY,X_name,Y_name);//设置坐标轴样式

   m_chart->setAxisX(axisX,areaseries);
   m_chart->setAxisY(axisY,areaseries);

   if(Is_title) //显示标题勾选
   Title(title);//标题样式
   Legend();//说明样例
   Show();//视图显示

}

散点图

void MainWindow::CreateScatter(QString title, int num, bool Is_title, bool Is_pos, QString X_name, QString Y_name,
                               double X_min, double X_max, double Y_min, double Y_max, QString text, QString data)
{
    this->Clear();
    QList<QPointF> plist;
    QStringList namelist = text.split(',');
    //创建X轴和Y轴
    QValueAxis *axisX = new QValueAxis();
    axisX->setRange(X_min,X_max);    //默认则坐标为动态计算大小的
    axisX->setLabelFormat("%.2f");
    QValueAxis *axisY = new QValueAxis();
    axisY->setRange(Y_min,Y_max);    //默认则坐标为动态计算大小的
     axisY->setLabelFormat("%.2f");

    Axis(axisX,axisY,X_name,Y_name);//设置坐标轴样式
    for(int i = 0;i<num;i++)
    {
        QScatterSeries *series1 = new QScatterSeries();//实例化QScatterSeries(散点数据)
        if(i%2==1)
        series1->setMarkerShape(QScatterSeries::MarkerShapeRectangle); //圆形图标
        else
        series1->setMarkerShape(QScatterSeries::MarkerShapeCircle); //矩形图标
        series1->setMarkerSize(15.0); //设置大小
        series1->setName(namelist.at(i)); //设置名字
        series1->setVisible(true);
        series1->setPointLabelsFormat("(@xPoint,@yPoint)");
        series1->setPointLabelsFont(QFont("楷体",12));
        if(Is_pos) //显示坐标
            series1->setPointLabelsVisible(true);
        else
            series1->setPointLabelsVisible(false);
        //20,50 30,60 40,70#30,60 40,45 55,60
        QString pos = data.section('#',i,i);
        QStringList list = pos.split(' ');
        for(int j = 0;j<list.size();j++)
        {
            double x = list.at(j).section(',',0,0).toDouble();
            double y = list.at(j).section(',',1,1).toDouble();
            series1->append(x,y);
        }
        m_chart->addSeries(series1);//添加系列到QChart上
        m_chart->setAxisX(axisX,series1);
        m_chart->setAxisY(axisY,series1);
    }
        m_chart->setTheme(QChart::ChartThemeBlueNcs);//设置蓝色主题
        m_chart->setDropShadowEnabled(true);//背景阴影
        m_chart->setAutoFillBackground(true);  //设置背景自动填充

        //m_chart->createDefaultAxes();             //或者创建默认轴
       if(Is_title) //显示标题勾选
       Title(title);//标题样式
       Legend();//说明样例
       Show();//视图显示

}

圆环图

void MainWindow::CreateDonut(int num,double inner,QString title, QString text, bool Is_checked, bool Is_title, bool Is_display)
{
    this->Clear();
     QPieSeries *m_pieSeries = new QPieSeries();
     m_pieSeries->setHoleSize(inner);
    QMap<QString,int> map;
    QMap<QString,double> map_per;
    QStringList list;
    //获取用户输入的标签以及相应占比
    {
        for(int i = 0;i<num;i++)
        {
            QString str = text.section(',',i,i);
            QString example = str.section(' ',0,0);
            int value = str.section(' ',1,1).toUInt();
            map.insert(example,value);
            list.append(example);
        }
    }
    //处理数据,根据用户输入的数值算出相应百分比
    {
        int sum = 0;
        for(int i = 0;i<num;i++)
        {
            sum += map.value(list.at(i)); //算出总数据
        }
        for(int i = 0;i<num;i++)
        {
            double percent = map.value(list.at(i))*1.0/sum * 100;   // 24 30
            map_per.insert(list.at(i),percent);
        }
    }
    //添加标签
    if(Is_display)
    {
        for(int i = 0;i<num;i++)
        {
            QString str = QString(list.at(i) + "%1").arg(QString::number(map_per.value(list.at(i)),'f',1) + "%");
            m_pieSeries->append(str,map_per.value(list.at(i)));
        }
    }
    else
    {
        for(int i = 0;i<num;i++)
        {
            m_pieSeries->append(list.at(i),map_per.value(list.at(i)));
        }
    }


     if(Is_checked) //片标签选项被勾选
     {
         m_pieSeries->setLabelsVisible(true);//设置所有片标签为可见
     }
     m_pieSeries->setUseOpenGL(true);

     //设置颜色
     for(int i = 0;i<num;i++)
     {
         m_pieSeries->slices().at(i)->setColor(colorlist.at(i)); //饼图颜色
         m_pieSeries->slices().at(i)->setLabelColor(colorlist.at(i));//标签颜色
     }
     //设置主题
     m_chart->setTheme(QChart::ChartThemeBlueCerulean);

     //添加系列到QChart
     m_chart->addSeries(m_pieSeries);
     if(Is_title)
     Title(title);//标题样式
      Legend();//说明样例
      Show();//视图显示
}

项目源码:https://github.com/17359830697/createtable

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