Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.ouc.cpss.view; import com.ouc.cpss.vo.ViewEmpsel; import com.ouc.cpss.vo.ViewSupTrade; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Font; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.List; import javax.swing.JFrame; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.StandardChartTheme; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.labels.StandardPieSectionLabelGenerator; import org.jfree.chart.labels.StandardPieToolTipGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PiePlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.title.LegendTitle; import org.jfree.chart.title.TextTitle; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.util.Rotation; /** * * @author LIUYIYU */ @SuppressWarnings("serial") public class SupTradeChartBuilder extends JFrame { String title; static List<ViewSupTrade> list;//?? public SupTradeChartBuilder(String title, List list) { super(title); this.title = title; this.list = list; //??? this.setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE); this.setContentPane(createPanel()); //????? } private static PieDataset createDataSet() { DefaultPieDataset dataset = new DefaultPieDataset(); for (ViewSupTrade vst : list) { //????? dataset.setValue(vst.getSupname(), vst.getPurtotal()); } return dataset; } private static JFreeChart createJFreeChart(PieDataset dataset) { /** * JFreeChart */ //? StandardChartTheme standardChartTheme = new StandardChartTheme("CN"); // standardChartTheme.setExtraLargeFont(new Font("", Font.BOLD, 20)); // standardChartTheme.setRegularFont(new Font("", Font.PLAIN, 15)); //? standardChartTheme.setLargeFont(new Font("", Font.PLAIN, 15)); //? ChartFactory.setChartTheme(standardChartTheme); //?? //createPieChart 2D; createPieChart3D 3D JFreeChart chart = ChartFactory.createPieChart("", dataset, true, true, false); //,? chart.setTitle(new TextTitle("", new Font("", Font.ITALIC, 22))); //? LegendTitle legend = chart.getLegend(0); //,ture,? legend.setItemFont(new Font("", Font.BOLD, 20)); //?(??) PiePlot plot = (PiePlot) chart.getPlot(); //?==? plot.setLabelFont(new Font("", Font.BOLD, 22)); // plot.setBaseSectionOutlinePaint(Color.BLUE); // plot.setBaseSectionOutlineStroke(new BasicStroke(0.5f)); //?,??,?? plot.setDirection(Rotation.CLOCKWISE);//,Rotation.CLOCKWISE //() plot.setStartAngle(70); //??? //plot.setExplodePercent(1, 0.5D); //plot.setExplodePercent("One", 0.5D); //,3D? plot.setExplodePercent(dataset.getKey(0), 0.1d); // plot.setLabelLinkPaint(Color.BLUE); // plot.setLabelOutlinePaint(Color.black); // plot.setLabelShadowPaint(Color.RED); // plot.setSectionPaint(1, Color.BLACK); // :,{0},{1},{2}?,??? plot.setLabelGenerator(new StandardPieSectionLabelGenerator("{0}:{1}\r\n{2}", NumberFormat.getNumberInstance(), new DecimalFormat("0.00%"))); // plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator("{0}={2}")); //:(true),(false) plot.setCircular(true); //? plot.setNoDataMessage("??..."); //??? plot.setToolTipGenerator(new StandardPieToolTipGenerator()); // //plot.setURLGenerator(new StandardPieURLGenerator("detail.jsp")); return chart; } public static JPanel createPanel() { // ?JFreeChart(????) JFreeChart chart = createJFreeChart(createDataSet()); // JFreeChar?JPanel return new ChartPanel(chart); } public static void main(String[] args) { } }