sumstatusapplet.java

来自「jfreechart不错的教程例子谢谢!」· Java 代码 · 共 410 行

package org.jfree.chart.demo;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.Locale;

import javax.swing.JApplet;
import javax.swing.JTabbedPane;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.labels.StandardPieItemLabelGenerator;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.title.LegendTitle;
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.data.time.Day;
import org.jfree.data.time.Hour;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.util.Rotation;

/*
 * Created on 2004-8-5
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */

/**
 * @author Administrator
 * 
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class SumStatusApplet extends JApplet {

	private static String[] keys=new String[]{"keys1","keys2","keys3","keys4","keys5","keys6","keys7","keys8","keys9","keys10","keys11","keys12"};

	private static String[] series=new String[]{"一","二","三","四","五","六","七","八","九","十","十一","十二"};

	private static String[] dkeys=new String[]{"2007-01-01","2007-02-01","2007-03-01"};//,"2007-04-01","2007-05-01","2007-06-01","2007-07-01","2007-08-01","2007-09-01","2007-10-01","2007-11-01","2007-12-01"};

	private static String[] dseries=new String[]{"dseries1","dseries2","dseries3"};

	private static String[] values=new String[]{"100","200","300","400","230","200","260","180","120","134","165","270"};

	private static String[] dvalues=new String[]{"101","20","325","40","515","600","70","80","941","1001","101","12"};

	private static Color[] colors;//=new Color[]{000000};

	private static String title="标题";
	private static String subject="子标题";
	private static String type="类型";

	public void init() {

		colors = new Color[] { Color.red, Color.green, Color.blue, Color.black,	Color.magenta, Color.yellow };
		if (getParameter("title") != null)
			title = getParameter("title");
		else
			title = "";

		if (getParameter("subject") != null)
			subject = getParameter("subject");
		else
			subject = "";

		if (getParameter("xytype") != null)
			type = getParameter("xytype");
		else
			type = "";

		if (getParameter("keys") != null)
			keys = getParameter("keys").split("|");// ArrayUtil.stringToArray(getParameter("keys"), "|");
		if (getParameter("values") != null)
			values = getParameter("values").split("|");//ArrayUtil.intToArray(getParameter("values"), "|");
		if (getParameter("series") != null)
			series = getParameter("series").split("|");//ArrayUtil.stringToArray(getParameter("series"), "|");
		if (getParameter("dkeys") != null)
			dkeys = getParameter("dkeys").split("|");//ArrayUtil.stringToArray(getParameter("dkeys"), "|");
		if (getParameter("dvalues") != null)
			dvalues = getParameter("dvalues").split("|");//ArrayUtil.intToArray(getParameter("dvalues"), "|");
		if (getParameter("dseries") != null)
			dseries = getParameter("dseries").split("|");//ArrayUtil.stringToArray(getParameter("dseries"), "|");
	}

	public void start() {

		JTabbedPane tabs = new JTabbedPane();
		XYDataset dataset2 = createXYDataset();
		JFreeChart chart2 = createXYChart(dataset2);
		ChartPanel chartPanel2 = new ChartPanel(chart2);
		tabs.add("趋势图", chartPanel2);
		CategoryDataset dataset = createBarDataset();
		JFreeChart chart = createBarChart(dataset);
		ChartPanel chartPanel = new ChartPanel(chart);
		tabs.add("柱状图", chartPanel);
		PieDataset dataset1 = createPieDataset();
		JFreeChart chart1 = createPieChart(dataset1);
		ChartPanel chartPanel1 = new ChartPanel(chart1);
		tabs.add("饼状图", chartPanel1);

		getContentPane().add(tabs);
	}

	private CategoryDataset createBarDataset() {

		DefaultCategoryDataset dataset = new DefaultCategoryDataset();

		for (int i = 0; i < series.length; i++) {

			dataset.addValue(format(Integer.parseInt(values[i]) / 100.0),
					series[i], keys[0]);

		}

		return dataset;

	}

	private PieDataset createPieDataset() {

		DefaultPieDataset result = new DefaultPieDataset();
		for (int j = 0; j < series.length; j++) {
			result.setValue(series[j],
					format(Integer.parseInt(values[j]) / 100.0));
		}
		return result;

	}

	private XYDataset createXYDataset() {

		TimeSeriesCollection dataset = new TimeSeriesCollection();

		if (dkeys[0].length() > 11) {
			SimpleDateFormat df2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			java.util.Date date = null;
			for (int j = 0; j < dseries.length; j++) {

				TimeSeries t1 = new TimeSeries(dseries[j], Hour.class);
				for (int i = 0; i < dkeys.length - 1; i++) {

					try {
						date = df2.parse(dkeys[i]);
					} catch (Exception e) {
					}
					java.util.Calendar cal = new java.util.GregorianCalendar();
					cal.setTime(date);
					Hour h = new Hour(date);
					t1.add(h, format(Integer.parseInt(dvalues[i
							* dseries.length + j]) / 100.0));
				}
				dataset.addSeries(t1);
			}
		} else {
			for (int j = 0; j < dseries.length; j++) {
				SimpleDateFormat df1 = new SimpleDateFormat("yyyy-MM-dd");
				java.util.Date date = null;
				TimeSeries t1 = new TimeSeries(dseries[j]);
				for (int i = 0; i < dkeys.length - 1; i++) {
					try {
						date = df1.parse(dkeys[i]);
					} catch (Exception e) {

					}
					Day day = new Day(date);
					System.out.println("i:"+i+"   j:"+j + "总："+(i* dseries.length + j));
					t1.add(day, format(Integer.parseInt(dvalues[i* dseries.length + j]) / 100.0));
				}
				dataset.addSeries(t1);
			}
		}
		dataset.setDomainIsPointsInTime(true);
		return dataset;
	}

	private JFreeChart createXYChart(XYDataset dataset) {
		JFreeChart chart = ChartFactory.createTimeSeriesChart(title + "("
				+ type + ")", // chart title
				subject, // domain axis label
				"现金额（元）", // range axis label
				dataset, // data
				true, // include legend
				true, // tooltips?
				false // URLs?
				);
		chart.setBackgroundPaint(Color.white);
		LegendTitle sl = (LegendTitle) chart.getLegend();
		sl.setNotify(true);
		sl.setItemFont(new Font("\u5b8b\u4f53", Font.TRUETYPE_FONT, 12));
		XYPlot plot = chart.getXYPlot();
		plot.setBackgroundPaint(Color.lightGray);
		plot.setDomainGridlinePaint(Color.white);
		plot.setRangeGridlinePaint(Color.white);
		//plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
		plot.setDomainCrosshairVisible(true);
		plot.setRangeCrosshairVisible(true);
		// set the range axis to display integers only...
		NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
		rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

		XYItemRenderer renderer = chart.getXYPlot().getRenderer();
		//  显示点上的数值 
		//renderer.setBaseLabelGenerator(new StandardXYLabelGenerator());
		//renderer.setItemLabelsVisible(true);

		int size = dseries.length;
		int yu = size % colors.length;
		int loop = size / colors.length;

		for (int k = 0; k < loop; k++) {

			for (int i = 0; i < colors.length; i++) {
				GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, colors[i],
						0.0f, 0.0f, colors[i]);
				renderer.setSeriesPaint((k * colors.length + i), gp0);
			}
		}

		for (int i = 0; i < yu; i++) {
			GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, colors[i], 0.0f,
					0.0f, colors[i]);
			renderer.setSeriesPaint(loop * colors.length + i, gp1);
		}

		StandardXYToolTipGenerator g = new StandardXYToolTipGenerator(
				StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
				new SimpleDateFormat("yyyy-MM-dd"), new DecimalFormat("0.00"));
		renderer.setItemLabelFont(new Font("\u5b8b\u4f53", Font.TRUETYPE_FONT,
				12));
		renderer.setToolTipGenerator(g);

		if (renderer instanceof StandardXYItemRenderer) {
			StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;
			//rr.setPlotShapes(true);
			rr.setShapesFilled(true);

			for (int k = 0; k < dseries.length; k++) {
				renderer.setSeriesStroke(k, new BasicStroke(2.0f));
			}
		}
		SimpleDateFormat sf = null;
		if (dkeys[0].length() > 11)
			sf = new SimpleDateFormat("HH:mm");
		else
			sf = new SimpleDateFormat("yyyy.MM.dd");
		DateAxis axis = (DateAxis) plot.getDomainAxis();
		axis.setDateFormatOverride(sf);
		axis.setLabelFont(new Font("\u5b8b\u4f53", Font.TRUETYPE_FONT, 12));

		return chart;

	}

	private JFreeChart createBarChart(CategoryDataset dataset) {
		JFreeChart chart = ChartFactory.createBarChart3D(title, // chart title
				subject, // domain axis label
				"现金额（元）", // range axis label
				dataset, // data
				PlotOrientation.VERTICAL, // orientation
				true, // include legend
				true, // tooltips?
				false // URLs?
				);

		// set the background color for the chart...
		chart.setBackgroundPaint(Color.white);

		LegendTitle sl = (LegendTitle) chart.getLegend();
		//sl.setDisplaySeriesShapes(true);
		sl.setItemFont(new Font("\u5b8b\u4f53", Font.TRUETYPE_FONT, 12));
		// get a reference to the plot for further customisation...
		CategoryPlot plot = chart.getCategoryPlot();
		plot.setBackgroundPaint(Color.lightGray);
		plot.setDomainGridlinePaint(Color.white);
		plot.setRangeGridlinePaint(Color.white);

		// set the range axis to display integers only...
		NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
		rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
		rangeAxis.setNumberFormatOverride(NumberFormat
				.getInstance(Locale.CHINA));

		// disable bar outlines...
		BarRenderer renderer = (BarRenderer) plot.getRenderer();
		//鼠标移过时的提示
		StandardCategoryToolTipGenerator g = new StandardCategoryToolTipGenerator(
				"({0}, {1}) = {2}", new DecimalFormat("0.00"));
		renderer.setToolTipGenerator(g);
		//柱形上显示数值
		//带小数，两位
		NumberFormat nf = NumberFormat.getInstance(Locale.CHINA);
		DecimalFormat df = (DecimalFormat) nf;
		df.applyPattern("0.00");
		//StandardCategoryLabelGenerator scg = new StandardCategoryLabelGenerator(StandardCategoryLabelGenerator.DEFAULT_LABEL_FORMAT_STRING, df);
		//renderer.setBaseLabelGenerator(scg);
		renderer.setItemLabelsVisible(true);
		renderer.setDrawBarOutline(true);

		//renderer.setItemURLGenerator(new StandardCategoryURLGenerator("xy_chart.jsp","series","section"));
		//renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());

		int size = series.length;
		int yu = size % colors.length;
		int loop = size / colors.length;

		for (int k = 0; k < loop; k++) {

			for (int i = 0; i < colors.length; i++) {
				GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, colors[i],
						0.0f, 0.0f, colors[i]);
				renderer.setSeriesPaint((k * colors.length + i), gp0);
			}
		}

		for (int i = 0; i < yu; i++) {
			GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, colors[i], 0.0f,
					0.0f, colors[i]);
			renderer.setSeriesPaint(loop * colors.length + i, gp1);
		}

		CategoryAxis domainAxis = plot.getDomainAxis();
		domainAxis.setCategoryLabelPositions(CategoryLabelPositions
				.createUpRotationLabelPositions(Math.PI / 6.0));
		// OPTIONAL CUSTOMISATION COMPLETED.

		return chart;

	}

	private JFreeChart createPieChart(PieDataset dataset) {

		JFreeChart chart = ChartFactory.createPieChart3D(title, // title
				dataset, // data
				true, // include legend
				true, false);
		chart.setBackgroundPaint(Color.white);

		LegendTitle sl = (LegendTitle) chart.getLegend();
		sl.setItemFont(new Font("\u5b8b\u4f53", Font.TRUETYPE_FONT, 12));

		NumberFormat nf = NumberFormat.getInstance(Locale.CHINA);
		DecimalFormat df = (DecimalFormat) nf;
		df.applyPattern("0.00");
		DecimalFormat df2 = (DecimalFormat) nf;
		df2.applyPattern("0.00%");

		PiePlot3D plot = (PiePlot3D) chart.getPlot();
		plot.setLabelGenerator(new StandardPieItemLabelGenerator("{0} = {2}",
				df, df));
		plot.setBackgroundPaint(Color.lightGray);
		plot.setStartAngle(290);
		plot.setDirection(Rotation.CLOCKWISE);
		plot.setForegroundAlpha(0.5f);
		plot.setNoDataMessage("没有数据");
		plot.setIgnoreNullValues(false);

		int size = series.length;
		int yu = size % colors.length;
		int loop = size / colors.length;

		for (int k = 0; k < loop; k++) {

			for (int i = 0; i < colors.length; i++) {
				GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, colors[i],
						0.0f, 0.0f, colors[i]);
				plot.setSectionPaint((k * colors.length + i), gp0);
			}
		}

		for (int i = 0; i < yu; i++) {
			GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, colors[i], 0.0f,
					0.0f, colors[i]);
			plot.setSectionPaint((loop * colors.length + i), gp1);
		}

		return chart;

	}

	private static Double format(double value) {
		DecimalFormat df = new DecimalFormat("0.00");

		return Double.valueOf(df.format(value));
	}
}