小编lar*_*kee的帖子

以下示例代码创建仅包含一个数据系列的图形.将不会创建另外两个数据系列.

main() - 方法包含数据系列.

import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.ArrayList;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;

import javax.swing.*;

public class MultipleChartFactory {
    private XYPlot plot;

    private ChartPanel chartPanel;

    // datasetIndex is used for multiple datasets
    private int datasetIndex = 0;
    private ArrayList<XYSeriesCollection> seriesArrayList = new ArrayList<XYSeriesCollection>();

    public MultipleChartFactory(String title, String xAxis) {
        super();
        String yAxis = title;

        XYSeriesCollection dataset = createDataset("Series");
        JFreeChart …