通过JfreeChart画柱状图、时序图、K线图

import java.awt.Color;

import java.awt.Paint;

import java.io.*;

import java.text.SimpleDateFormat;

import org.jfree.data.*;

import org.jfree.data.category.*;

import org.jfree.data.general.DefaultPieDataset;

import org.jfree.data.time.Day;

import org.jfree.data.time.Month;

import org.jfree.data.time.TimeSeries;

import org.jfree.data.time.TimeSeriesCollection;

import org.jfree.data.time.ohlc.OHLCSeries;

import org.jfree.data.time.ohlc.OHLCSeriesCollection;

import org.jfree.chart.*;

import org.jfree.chart.axis.DateAxis;

import org.jfree.chart.axis.DateTickMarkPosition;

import org.jfree.chart.axis.DateTickUnit;

import org.jfree.chart.axis.NumberAxis;

import org.jfree.chart.axis.NumberTickUnit;

import org.jfree.chart.axis.SegmentedTimeline;

import org.jfree.chart.plot.*;

import org.jfree.chart.renderer.xy.CandlestickRenderer;

import org.jfree.chart.renderer.xy.XYBarRenderer;

import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;

/**

* 该类用于演示最简单的柱状图生成

* @author Winter Lau

*/

public class TestJFreeChart {

public static void main(String[] args) throws IOException{

genCategory();

genLine();

genPie3D();

genTimeSeries();

KLineCombineChart();

}

/**

* 获取一个演示用的简单数据集对象

* @return

*/

private static CategoryDataset getDataSet() {

DefaultCategoryDataset dataset = new DefaultCategoryDataset();

dataset.addValue(100, null, "苹果");

dataset.addValue(200, null, "梨子");

dataset.addValue(300, null, "葡萄");

dataset.addValue(400, null, "香蕉");

dataset.addValue(500, null, "荔枝");

return dataset;

}

/**

* 获取一个演示用的组合数据集对象

* @return

*/

private static CategoryDataset getDataSet2() {

DefaultCategoryDataset dataset = new DefaultCategoryDataset();

dataset.addValue(100, "北京", "苹果");

dataset.addValue(100, "上海", "苹果");

dataset.addValue(100, "广州", "苹果");

dataset.addValue(200, "北京", "梨子");

dataset.addValue(200, "上海", "梨子");

dataset.addValue(200, "广州", "梨子");

dataset.addValue(300, "北京", "葡萄");

dataset.addValue(300, "上海", "葡萄");

dataset.addValue(300, "广州", "葡萄");

dataset.addValue(400, "北京", "香蕉");

dataset.addValue(400, "上海", "香蕉");

dataset.addValue(400, "广州", "香蕉");

dataset.addValue(500, "北京", "荔枝");

dataset.addValue(500, "上海", "荔枝");

dataset.addValue(500, "广州", "荔枝");

return dataset;

}

private static void genCategory(){

CategoryDataset dataset = getDataSet2();

JFreeChart chart = ChartFactory.createBarChart3D(

"柱状图Category", // 图表标题

"水果", // 目录轴的显示标签

"产量", // 数值轴的显示标签

dataset, // 数据集

PlotOrientation.VERTICAL, // 图表方向：水平、垂直

true, // 是否显示图例(对于简单的柱状图必须是false)

false, // 是否生成工具

false // 是否生成URL链接

);

FileOutputStream fos_jpg = null;

try {

fos_jpg = new FileOutputStream("D:\\fruit.jpg");

ChartUtilities.writeChartAsJPEG(fos_jpg,1,chart,400,300,null);

}catch(Exception e) {}

finally {

try {

fos_jpg.close();

} catch (Exception e) {}

}

}

// 折线图

private static void genLine(){

CategoryDataset dataset = getDatasetLine();

JFreeChart chart = ChartFactory.createLineChart(

"折线图Line", // chart title

"Type", // domain axis label

"Value", // range axis label

dataset, // data

PlotOrientation.VERTICAL, // orientation

true, // include legend

true, // tooltips

false // urls

);

FileOutputStream fos_jpg = null;

try {

fos_jpg = new FileOutputStream("D:\\fruitLine.jpg");

ChartUtilities.writeChartAsJPEG(fos_jpg,1,chart,400,300,null);

}catch(Exception e) {}

finally {

try {

fos_jpg.close();

} catch (Exception e) {}

}

}

private static CategoryDataset getDatasetLine() {

// row keys...

final String series1 = "First";

final String series2 = "Second";

final String series3 = "Third";

// column keys...

final String type1 = "Type 1";

final String type2 = "Type 2";

final String type3 = "Type 3";

final String type4 = "Type 4";

final String type5 = "Type 5";

final String type6 = "Type 6";

final String type7 = "Type 7";

final String type8 = "Type 8";

// create the dataset...

final DefaultCategoryDataset dataset = new DefaultCategoryDataset();

dataset.addValue(1.0, series1, type1);

dataset.addValue(4.0, series1, type2);

dataset.addValue(3.0, series1, type3);

dataset.addValue(5.0, series1, type4);

dataset.addValue(5.0, series1, type5);

dataset.addValue(7.0, series1, type6);

dataset.addValue(7.0, series1, type7);

dataset.addValue(8.0, series1, type8);

dataset.addValue(5.0, series2, type1);

dataset.addValue(7.0, series2, type2);

dataset.addValue(6.0, series2, type3);

dataset.addValue(8.0, series2, type4);

dataset.addValue(4.0, series2, type5);

dataset.addValue(4.0, series2, type6);

dataset.addValue(2.0, series2, type7);

dataset.addValue(1.0, series2, type8);

dataset.addValue(4.0, series3, type1);

dataset.addValue(3.0, series3, type2);

dataset.addValue(2.0, series3, type3);

dataset.addValue(3.0, series3, type4);

dataset.addValue(6.0, series3, type5);

dataset.addValue(3.0, series3, type6);

dataset.addValue(4.0, series3, type7);

dataset.addValue(3.0, series3, type8);

return dataset;

}

// 饼状图

private static void genPie3D() {

DefaultPieDataset data = getDataSetPie3D();

JFreeChart chart = ChartFactory.createPieChart3D("饼图Pie3D", // 图表标题

data,

true, // 是否显示图例

false,

false

);

FileOutputStream fos_jpg = null;

try{

fos_jpg = new FileOutputStream("D:\\fruit3D.jpg");

ChartUtilities.writeChartAsJPEG(fos_jpg,1,chart,400,300,null);

}catch (Exception e) {}

finally {

try {

fos_jpg.close();

}catch(Exception e) {}

}

}

private static DefaultPieDataset getDataSetPie3D() {

DefaultPieDataset dataset = new DefaultPieDataset();

dataset.setValue("苹果",100);

dataset.setValue("梨子",200);

dataset.setValue("葡萄",300);

dataset.setValue("香蕉",400);

dataset.setValue("荔枝",500);

return dataset;

}

// time 时序图

private static TimeSeriesCollection getDataSetTimeSeries() {

TimeSeries s1 = new TimeSeries("L&G European Index Trust", Month.class);

s1.add(new Month(2, 2001), 181.8);

s1.add(new Month(3, 2001), 167.3);

s1.add(new Month(4, 2001), 153.8);

s1.add(new Month(5, 2001), 167.6);

s1.add(new Month(6, 2001), 158.8);

s1.add(new Month(7, 2001), 148.3);

s1.add(new Month(8, 2001), 153.9);

s1.add(new Month(9, 2001), 142.7);

s1.add(new Month(10, 2001), 123.2);

s1.add(new Month(11, 2001), 131.8);

s1.add(new Month(12, 2001), 139.6);

s1.add(new Month(1, 2002), 142.9);

s1.add(new Month(2, 2002), 138.7);

s1.add(new Month(3, 2002), 137.3);

s1.add(new Month(4, 2002), 143.9);

s1.add(new Month(5, 2002), 139.8);

s1.add(new Month(6, 2002), 137.0);

s1.add(new Month(7, 2002), 132.8);

TimeSeries s2 = new TimeSeries("L&G UK Index Trust", Month.class);

s2.add(new Month(2, 2001), 129.6);

s2.add(new Month(3, 2001), 123.2);

s2.add(new Month(4, 2001), 117.2);

s2.add(new Month(5, 2001), 124.1);

s2.add(new Month(6, 2001), 122.6);

s2.add(new Month(7, 2001), 119.2);

s2.add(new Month(8, 2001), 116.5);

s2.add(new Month(9, 2001), 112.7);

s2.add(new Month(10, 2001), 101.5);

s2.add(new Month(11, 2001), 106.1);

s2.add(new Month(12, 2001), 110.3);

s2.add(new Month(1, 2002), 111.7);

s2.add(new Month(2, 2002), 111.0);

s2.add(new Month(3, 2002), 109.6);

s2.add(new Month(4, 2002), 113.2);

s2.add(new Month(5, 2002), 111.6);

s2.add(new Month(6, 2002), 108.8);

s2.add(new Month(7, 2002), 101.6);

TimeSeriesCollection dataset = new TimeSeriesCollection();

dataset.addSeries(s1);

dataset.addSeries(s2);

return dataset;

}

private static void genTimeSeries() {

TimeSeriesCollection dataset = getDataSetTimeSeries();

JFreeChart chart = ChartFactory.createTimeSeriesChart(

"时序图TimeSeries",

"Date",

"Price Per Unit",

dataset,

true,

true,

false

);

FileOutputStream fos_jpg = null;

try{

fos_jpg = new FileOutputStream("D:\\fruittime.jpg");

ChartUtilities.writeChartAsJPEG(fos_jpg,1,chart,400,300,null);

FileOutputStream output = new FileOutputStream("D:\\fruittime2.png");

//设置背景色

chart.setBackgroundPaint(Color.WHITE);

//设置时序图中线条的颜色

XYLineAndShapeRenderer xylinerenderer=(XYLineAndShapeRenderer)chart.getXYPlot().getRenderer();

//以下分别给同一个曲线图中3条曲线设置颜色,0为第一条1为第二条,......

xylinerenderer.setSeriesPaint(0,Color.YELLOW);

//chart.setBorderPaint(Color.BLUE);

ChartUtilities.writeChartAsPNG(output, chart, 800, 600);

}catch (Exception e) {}

finally {

try {

fos_jpg.close();

}catch(Exception e) {}

}

}

/*

private static TimeSeriesCollection genTimeSeries2() {

TimeSeriesCollection data = getDataSetTimeSeries();

XYBarRenderer xyBarRender = new XYBarRenderer();

// volume range

NumberAxis y2Axis = new NumberAxis("");

y2Axis.setAutoRangeIncludesZero(false);

// setVolumnAxis(y2Axis);

XYPlot plot2 = new XYPlot(data, null, y2Axis, xyBarRender);

// combine two plot

CombinedDomainXYPlot combineddomainxyplot = new CombinedDomainXYPlot(x1Axis);

combineddomainxyplot.add(plot1, 2);

combineddomainxyplot.add(plot2, 1);

combineddomainxyplot.setGap(4);

String title = String.format("%s - %s", stockInfo.getCode().getCode()

, stockInfo.getStockName());

JFreeChart chart = new JFreeChart(title,

JFreeChart.DEFAULT_TITLE_FONT, combineddomainxyplot, false);

try{

FileOutputStream output = new FileOutputStream("D:\\fruittime2.png");

ChartUtilities.writeChartAsPNG(output, chart, 800, 600);

}catch (Exception e) {}

finally { }

}

*/

public static void KLineCombineChart() {

SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");//设置日期格式

double highValue = Double.MIN_VALUE;//设置K线数据当中的最大值

double minValue = Double.MAX_VALUE;//设置K线数据当中的最小值

double high2Value = Double.MIN_VALUE;//设置成交量的最大值

double min2Value = Double.MAX_VALUE;//设置成交量的最低值

OHLCSeries series = new OHLCSeries("");//高开低收数据序列，股票K线图的四个数据，依次是开，高，低，收

series.add(new Day(28, 9, 2007), 9.2, 9.58, 9.16, 9.34);

series.add(new Day(27, 9, 2007), 8.9, 9.06, 8.83, 8.96);

series.add(new Day(26, 9, 2007), 9.0, 9.1, 8.82, 9.04);

series.add(new Day(25, 9, 2007), 9.25, 9.33, 8.88, 9.00);

series.add(new Day(24, 9, 2007), 9.05, 9.50, 8.91, 9.25);

series.add(new Day(21, 9, 2007), 8.68, 9.05, 8.40, 9.00);

series.add(new Day(20, 9, 2007), 8.68, 8.95, 8.50, 8.69);

series.add(new Day(19, 9, 2007), 8.80, 8.94, 8.50, 8.66);

series.add(new Day(18, 9, 2007), 8.88, 9.17, 8.69, 8.80);

series.add(new Day(17, 9, 2007), 8.26, 8.98, 8.15, 8.89);

series.add(new Day(14, 9, 2007), 8.44, 8.45, 8.13, 8.33);

series.add(new Day(13, 9, 2007), 8.13, 8.46, 7.97, 8.42);

series.add(new Day(12, 9, 2007), 8.2, 8.4, 7.81, 8.13);

series.add(new Day(11, 9, 2007), 9.0, 9.0, 8.1, 8.24);

series.add(new Day(10, 9, 2007), 8.6, 9.03, 8.40, 8.95);

series.add(new Day(7, 9, 2007), 8.89, 9.04, 8.70, 8.73);

series.add(new Day(6, 9, 2007), 8.4, 9.08, 8.33, 8.88);

series.add(new Day(5, 9, 2007), 8.2, 8.74, 8.17, 8.36);

series.add(new Day(4, 9, 2007), 7.7, 8.46, 7.67, 8.27);

series.add(new Day(3, 9, 2007), 7.5, 7.8, 7.48, 7.69);

series.add(new Day(31, 8, 2007), 7.4, 7.6, 7.28, 7.43);

series.add(new Day(30, 8, 2007), 7.42, 7.56, 7.31, 7.40);

series.add(new Day(29, 8, 2007), 7.42, 7.66, 7.22, 7.33);

series.add(new Day(28, 8, 2007), 7.31, 7.70, 7.15, 7.56);

series.add(new Day(27, 8, 2007), 7.05, 7.46, 7.02, 7.41);

series.add(new Day(24, 8, 2007), 7.05, 7.09, 6.90, 6.99);

series.add(new Day(23, 8, 2007), 7.12, 7.16, 7.00, 7.03);

series.add(new Day(22, 8, 2007), 6.96, 7.15, 6.93, 7.11);

series.add(new Day(21, 8, 2007), 7.10, 7.15, 7.02, 7.07);

series.add(new Day(20, 8, 2007), 7.02, 7.19, 6.94, 7.14);

final OHLCSeriesCollection seriesCollection = new OHLCSeriesCollection();//保留K线数据的数据集，必须申明为final，后面要在匿名内部类里面用到

seriesCollection.addSeries(series);

TimeSeries series2=new TimeSeries("");//对应时间成交量数据

series2.add(new Day(28, 9, 2007), 260659400/100);

series2.add(new Day(27, 9, 2007), 119701900/100);

series2.add(new Day(26, 9, 2007), 109719000/100);

series2.add(new Day(25, 9, 2007), 178492400/100);

series2.add(new Day(24, 9, 2007), 269978500/100);

series2.add(new Day(21, 9, 2007), 361042300/100);

series2.add(new Day(20, 9, 2007), 173912600/100);

series2.add(new Day(19, 9, 2007), 154622600/100);

series2.add(new Day(18, 9, 2007), 200661600/100);

series2.add(new Day(17, 9, 2007), 312799600/100);

series2.add(new Day(14, 9, 2007), 141652900/100);

series2.add(new Day(13, 9, 2007), 221260400/100);

series2.add(new Day(12, 9, 2007), 274795400/100);

series2.add(new Day(11, 9, 2007), 289287300/100);

series2.add(new Day(10, 9, 2007), 289063600/100);

series2.add(new Day(7, 9, 2007), 351575300/100);

series2.add(new Day(6, 9, 2007), 451357300/100);

series2.add(new Day(5, 9, 2007), 442421200/100);

series2.add(new Day(4, 9, 2007), 671942600/100);

series2.add(new Day(3, 9, 2007), 349647800/100);

series2.add(new Day(31, 8, 2007), 225339300/100);

series2.add(new Day(30, 8, 2007), 160048200/100);

series2.add(new Day(29, 8, 2007), 247341700/100);

series2.add(new Day(28, 8, 2007), 394975400/100);

series2.add(new Day(27, 8, 2007), 475797500/100);

series2.add(new Day(24, 8, 2007), 297679500/100);

series2.add(new Day(23, 8, 2007), 191760600/100);

series2.add(new Day(22, 8, 2007), 232570200/100);

series2.add(new Day(21, 8, 2007), 215693200/100);

series2.add(new Day(20, 8, 2007), 200287500/100);

TimeSeriesCollection timeSeriesCollection=new TimeSeriesCollection();//保留成交量数据的集合

timeSeriesCollection.addSeries(series2);

//获取K线数据的最高值和最低值

int seriesCount = seriesCollection.getSeriesCount();//一共有多少个序列，目前为一个

for (int i = 0; i < seriesCount; i++) {

int itemCount = seriesCollection.getItemCount(i);//每一个序列有多少个数据项

for (int j = 0; j < itemCount; j++) {

if (highValue < seriesCollection.getHighValue(i, j)) {//取第i个序列中的第j个数据项的最大值

highValue = seriesCollection.getHighValue(i, j);

}

if (minValue > seriesCollection.getLowValue(i, j)) {//取第i个序列中的第j个数据项的最小值

minValue = seriesCollection.getLowValue(i, j);

}

}

}

//获取最高值和最低值

int seriesCount2 = timeSeriesCollection.getSeriesCount();//一共有多少个序列，目前为一个

for (int i = 0; i < seriesCount2; i++) {

int itemCount = timeSeriesCollection.getItemCount(i);//每一个序列有多少个数据项

for (int j = 0; j < itemCount; j++) {

if (high2Value < timeSeriesCollection.getYValue(i,j)) {//取第i个序列中的第j个数据项的值

high2Value = timeSeriesCollection.getYValue(i,j);

}

if (min2Value > timeSeriesCollection.getYValue(i, j)) {//取第i个序列中的第j个数据项的值

min2Value = timeSeriesCollection.getYValue(i, j);

}

}

}

final CandlestickRenderer candlestickRender=new CandlestickRenderer();//设置K线图的画图器，必须申明为final，后面要在匿名内部类里面用到

candlestickRender.setUseOutlinePaint(true); //设置是否使用自定义的边框线，程序自带的边框线的颜色不符合中国股票市场的习惯

candlestickRender.setAutoWidthMethod(CandlestickRenderer.WIDTHMETHOD_AVERAGE);//设置如何对K线图的宽度进行设定

candlestickRender.setAutoWidthGap(0.001);//设置各个K线图之间的间隔

candlestickRender.setUpPaint(Color.RED);//设置股票上涨的K线图颜色

candlestickRender.setDownPaint(Color.GREEN);//设置股票下跌的K线图颜色

DateAxis x1Axis=new DateAxis();//设置x轴，也就是时间轴

x1Axis.setAutoRange(false);//设置不采用自动设置时间范围

try{

x1Axis.setRange(dateFormat.parse("2007-08-20"),dateFormat.parse("2007-09-29"));//设置时间范围，注意时间的最大值要比已有的时间最大值要多一天

}catch(Exception e){

e.printStackTrace();

}

x1Axis.setTimeline(SegmentedTimeline.newMondayThroughFridayTimeline());//设置时间线显示的规则，用这个方法就摒除掉了周六和周日这些没有交易的日期(很多人都不知道有此方法)，使图形看上去连续

x1Axis.setAutoTickUnitSelection(false);//设置不采用自动选择刻度值

x1Axis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);//设置标记的位置

x1Axis.setStandardTickUnits(DateAxis.createStandardDateTickUnits());//设置标准的时间刻度单位

x1Axis.setTickUnit(new DateTickUnit(DateTickUnit.DAY,7));//设置时间刻度的间隔，一般以周为单位

x1Axis.setDateFormatOverride(new SimpleDateFormat("yyyy-MM-dd"));//设置显示时间的格式

NumberAxis y1Axis=new NumberAxis();//设定y轴，就是数字轴

y1Axis.setAutoRange(false);//不不使用自动设定范围

y1Axis.setRange(minValue*0.9, highValue*1.1);//设定y轴值的范围，比最低值要低一些，比最大值要大一些，这样图形看起来会美观些

y1Axis.setTickUnit(new NumberTickUnit((highValue*1.1-minValue*0.9)/10));//设置刻度显示的密度

XYPlot plot1=new XYPlot(seriesCollection,x1Axis,y1Axis,candlestickRender);//设置画图区域对象

XYBarRenderer xyBarRender=new XYBarRenderer(){

private static final long serialVersionUID = 1L;//为了避免出现警告消息，特设定此值

public Paint getItemPaint(int i, int j){//匿名内部类用来处理当日的成交量柱形图的颜色与K线图的颜色保持一致

if(seriesCollection.getCloseValue(i,j)>seriesCollection.getOpenValue(i,j)){//收盘价高于开盘价，股票上涨，选用股票上涨的颜色

return candlestickRender.getUpPaint();

}else{

return candlestickRender.getDownPaint();

}

}};

xyBarRender.setMargin(0.1);//设置柱形图之间的间隔

NumberAxis y2Axis=new NumberAxis();//设置Y轴，为数值,后面的设置，参考上面的y轴设置

y2Axis.setAutoRange(false);

y2Axis.setRange(min2Value*0.9, high2Value*1.1);

y2Axis.setTickUnit(new NumberTickUnit((high2Value*1.1-min2Value*0.9)/4));

XYPlot plot2=new XYPlot(timeSeriesCollection,null,y2Axis,xyBarRender);//建立第二个画图区域对象，主要此时的x轴设为了null值，因为要与第一个画图区域对象共享x轴

CombinedDomainXYPlot combineddomainxyplot = new CombinedDomainXYPlot(x1Axis);//建立一个恰当的联合图形区域对象，以x轴为共享轴

combineddomainxyplot.add(plot1, 2);//添加图形区域对象，后面的数字是计算这个区域对象应该占据多大的区域2/3

combineddomainxyplot.add(plot2, 1);//添加图形区域对象，后面的数字是计算这个区域对象应该占据多大的区域1/3

combineddomainxyplot.setGap(10);//设置两个图形区域对象之间的间隔空间

JFreeChart chart = new JFreeChart("中国联通", JFreeChart.DEFAULT_TITLE_FONT, combineddomainxyplot, false);

ChartFrame frame = new ChartFrame("中国联通股票", chart);

frame.pack();

frame.setVisible(true);

}

}

如何设置jfreechart时间序列图曲线颜色

chart = ChartFactory.createTimeSeriesChart(......);

XYPlot xyplot=(XYPlot) chart.getPlot();

XYLineAndShapeRenderer xylinerenderer=(XYLineAndShapeRenderer)xyplot.getRenderer();

//以下分别给同一个曲线图中3条曲线设置颜色,0为第一条1为第二条,......

xylinerenderer.setSeriesPaint(0, new Color(0, 0 ,255 ));

xylinerenderer.setSeriesPaint(1, new Color(255 ,215, 0 ));

xylinerenderer.setSeriesPaint(2, new Color(0, 238, 118));