2011-05-25 54 views

回答

3
BarRenderer renderer = (BarRenderer) plot.getRenderer(); 

    renderer.setSeriesPaintType(0, new SolidColor(Color.BLUE)); 
    renderer.setSeriesPaintType(1, new SolidColor(Color.GREEN)); 
    renderer.setSeriesPaintType(2, new SolidColor(Color.RED));