?? firstchart.java
字號(hào):
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.DefaultPieDataset;
public class FirstChart {
public static void main(String[] args)
{
//創(chuàng)建數(shù)據(jù)集對(duì)象
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue("Page1.jsp", 12);
dataset.setValue("Page2.jsp", 15);
//創(chuàng)建JFreeChart對(duì)象
JFreeChart chart = ChartFactory.createPieChart(
"頁(yè)面訪問(wèn)統(tǒng)計(jì)",
dataset,
true,
true,
false
);
//顯示JFreeChart圖形
ChartFrame frame = new ChartFrame("統(tǒng)計(jì)圖示范", chart);
frame.pack();
frame.setVisible(true);
}
}
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