jfreechart xyplot设置小区域的背景色

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

import java.awt.*;

public class XYPlotExample {
    public static void main(String[] args) {
        // 创建一个XY数据集
        XYSeries series = new XYSeries("Data");
        series.add(1, 5);
        series.add(2, 10);
        series.add(3, 8);
        XYSeriesCollection dataset = new XYSeriesCollection();
        dataset.addSeries(series);

        // 创建一个XY图表
        JFreeChart chart = ChartFactory.createXYLineChart(
                "XY Plot Example",
                "X",
                "Y",
                dataset
        );

        // 获取XY图表的绘图区域
        XYPlot plot = (XYPlot) chart.getPlot();

        // 设置小区域的背景色
        plot.setDomainCrosshairPaint(Color.YELLOW);
        plot.setRangeCrosshairPaint(Color.YELLOW);

        // 创建一个图表窗口并显示图表
        ChartFrame frame = new ChartFrame("XY Plot Example", chart);
        frame.pack();
        frame.setVisible(true);
    }
}