版本说明：

1、优化柱状图显示，支持颜色变化

mainwindow.h

@@ -6,6 +6,8 @@
 #include <memory>
 #include <vector>
 #include <QTimer>
+#include <QBarSet>
+#include <QStackedBarSeries>
 
 #include "RecordQuery.h"
 #include "LoggerWidget.h"
@@ -39,6 +41,7 @@ class MainWindow : public QMainWindow
 public:
     MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
+    void test1();
 private slots:
     void on_rdbChannelUHF_clicked();
 
@@ -59,6 +62,7 @@ private slots:
     void readPendingDatagrams();
 
     void on_tblMessageList_currentItemChanged(QTableWidgetItem *current, QTableWidgetItem *previous);
+    void handleHovered(bool status, int index, QBarSet *barset);
 protected:
     void keyPressEvent(QKeyEvent* event) override;
 private:
@@ -99,5 +103,6 @@ private:
     QPolarChart* m_azimuthChart;
     QBarCategoryAxis* m_signalStrengthChartXAxis;
     QValueAxis* m_signalStrengthChartYAxis;
+    QStackedBarSeries *m_stackedSeries;
 };
 #endif // MAINWINDOW_H