piechart.java

来自「该部分提供了对photo的一些操作」· Java 代码 · 共 26 行

package photo;

import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.general.DefaultPieDataset;

public class PieChart {
	
	public void createChart(OutputStream os, List pieValues, String title,int  width,int height) throws IOException {
		
		DefaultPieDataset data = getDataSet(pieValues);
		
		JFreeChart chart = ChartFactory.createPieChart("", // 鍥捐〃鏍囬