JFreeChart viewBarChart2 = createBarChart2();
        final ChartComposite frame_4 = new ChartComposite(composite, SWT.NONE, viewBarChart2, true);
JFreeChart chart = ChartFactory.createBarChart3D("分布图", "月份", "销量", dataset, PlotOrientation.VERTICAL, false, true, true);
        CategoryPlot plot = chart.getCategoryPlot();// 获得图表对象

        Font font = new Font("黑体", Font.BOLD, 15);
        // 画折线图

        LineAndShapeRenderer line = new LineAndShapeRenderer();
        line.setSeriesPaint(0, Color.YELLOW);
        line.setToolTipGenerator(new StandardCategoryToolTipGenerator());
        plot.setRenderer(0, line);

        // 画柱状图
        plot.setDataset(1, dataset);
        StackedBarRenderer3D bar = new StackedBarRenderer3D();
        bar.setSeriesPaint(0, Color.GREEN);
        bar.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        plot.setRenderer(1, bar);
        
        plot.setForegroundAlpha(0.5f);
        chart.getTitle().setFont(font);