jfreechart绘图工具类

基于jfreechart1.x+++

package com.wdh.util;

 

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Font;

import java.awt.RenderingHints;

import java.io.File;

import java.io.FileOutputStream;

import java.text.DecimalFormat;

import java.text.NumberFormat;

import java.util.Date;

import java.util.Iterator;

import java.util.List;

import java.util.Locale;

 

import org.apache.commons.logging.Log;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.ChartUtilities;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.annotations.XYBoxAnnotation;

import org.jfree.chart.annotations.XYTextAnnotation;

import org.jfree.chart.axis.AxisLocation;

import org.jfree.chart.axis.CategoryAxis;

import org.jfree.chart.axis.NumberAxis;

import org.jfree.chart.axis.ValueAxis;

import org.jfree.chart.labels.ItemLabelAnchor;

import org.jfree.chart.labels.ItemLabelPosition;

import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;

import org.jfree.chart.labels.StandardPieSectionLabelGenerator;

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.BarRenderer3D;

import org.jfree.chart.renderer.category.LineAndShapeRenderer;

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

import org.jfree.chart.title.TextTitle;

import org.jfree.data.category.CategoryDataset;

import org.jfree.data.category.DefaultCategoryDataset;

import org.jfree.data.general.PieDataset;

import org.jfree.data.xy.DefaultXYDataset;

import org.jfree.data.xy.XYDataset;

import org.jfree.ui.TextAnchor;

 

public class ChartUtil {

 

public static String createPieChart3D(String title, PieDataset dataset,

String path) {

JFreeChart chart = ChartFactory.createPieChart3D(title, dataset, true,

true, Locale.CHINA);

 

// 使下面的说明标签字体清晰,类似于去锯齿的效果

chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,

RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);

chart.setTextAntiAlias(false);

// 图片背景色

chart.setBackgroundPaint(Color.white);

 

// 设置图标题的字体重新设置title(否组有些版本Title会出现乱码)

chart.getTitle().setFont((new Font("隶书", Font.CENTER_BASELINE, 20)));

 

// 设置图例(Legend)上的文字(//底部的字体)

chart.getLegend().setItemFont(new Font("隶书", Font.CENTER_BASELINE, 15));

 

PiePlot3D plot = (PiePlot3D) chart.getPlot();

// 图片中显示百分比:默认方式

 

// 指定饼图轮廓线的颜色

plot.setBaseSectionOutlinePaint(Color.BLACK);

plot.setBaseSectionPaint(Color.BLACK);

 

// 设置无数据时的信息

plot.setNoDataMessage("无对应的数据，请重新查询。");

 

// 设置无数据时的信息显示颜色

plot.setNoDataMessagePaint(Color.red);

 

// 图片中显示百分比:自定义方式，{0} 表示选项， {1} 表示数值， {2} 表示所占比例 ,小数点后两位

plot.setLabelGenerator(new StandardPieSectionLabelGenerator(

"{0}={1}({2})", NumberFormat.getNumberInstance(),

new DecimalFormat("0.00%")));

// 图例显示百分比:自定义方式， {0} 表示选项， {1} 表示数值， {2} 表示所占比例

plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator(

"{0}({2})"));

 

plot.setLabelFont(new Font("隶书", Font.TRUETYPE_FONT, 12));

 

// 指定图片的透明度(0.0-1.0)

plot.setForegroundAlpha(0.65f);

// 指定显示的饼图上圆形(false)还椭圆形(true)

plot.setCircular(false, true);

 

// 设置第一个 饼块section 的开始位置，默认是12点钟方向

plot.setStartAngle(90);

 

// 设置分饼颜色(不设置它会自己设置)

// plot.setSectionPaint(pieKeys[0], new Color(244, 194, 144));

// plot.setSectionPaint(pieKeys[1], new Color(144, 233, 144));

 

// 把饼图生成图片

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夹不存在则创建

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

chartName = path + File.separator + new Date().getTime() + ".png";

fos_jpg = new FileOutputStream(chartName);

// 高宽的设置影响椭圆饼图的形状

ChartUtilities.writeChartAsPNG(fos_jpg, chart, 700, 400);

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://[e-mail]

} catch (Exception e) {

e.printStackTrace();

}

return chartName;

}

}

 

public static String createLineChart(String title, String domainAxisName,

String rangeAxisName, DefaultCategoryDataset ds, String path) {

JFreeChart chart = ChartFactory.createLineChart3D(title, domainAxisName,

rangeAxisName, ds, PlotOrientation.VERTICAL, // 绘制方向

true, // 显示图例

true, // 采用标准生成器

false // 是否生成超链接

);

chart.getTitle().setFont((new Font("隶书", Font.CENTER_BASELINE, 20))); // 设置标题字体

chart.getLegend().setItemFont(new Font("隶书", Font.CENTER_BASELINE, 15));// 设置图例类别字体

// 获取绘图区对象

CategoryPlot plot = chart.getCategoryPlot();

plot.setBackgroundPaint(Color.LIGHT_GRAY); // 设置绘图区背景色

plot.setRangeGridlinePaint(Color.WHITE); // 设置水平方向背景线颜色

plot.setRangeGridlinesVisible(true);// 设置是否显示水平方向背景线,默认值为true

plot.setDomainGridlinePaint(Color.WHITE); // 设置垂直方向背景线颜色

plot.setDomainGridlinesVisible(true); // 设置是否显示垂直方向背景线,默认值为false

 

CategoryAxis domainAxis = plot.getDomainAxis();

domainAxis.setLabelFont(new Font("隶书", Font.CENTER_BASELINE, 15)); // 设置横轴字体

// domainAxis.setTickLabelFont(font);// 设置坐标轴标尺值字体

domainAxis.setLowerMargin(0.01);// 左边距 边框距离

domainAxis.setUpperMargin(0.06);// 右边距 边框距离,防止最后边的一个数据靠近了坐标轴。

domainAxis.setMaximumCategoryLabelLines(2);

 

ValueAxis rangeAxis = plot.getRangeAxis();

rangeAxis.setLabelFont(new Font("隶书", Font.CENTER_BASELINE, 15));

rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());// Y轴显示整数

rangeAxis.setAutoRangeMinimumSize(1); // 最小跨度

rangeAxis.setUpperMargin(0.18);// 上边距,防止最大的一个数据靠近了坐标轴。

rangeAxis.setLowerBound(0); // 最小值显示0

rangeAxis.setAutoRange(false); // 不自动分配Y轴数据

rangeAxis.setTickMarkStroke(new BasicStroke(1.6f)); // 设置坐标标记大小

rangeAxis.setTickMarkPaint(Color.BLACK); // 设置坐标标记颜色

 

// 获取折线对象

LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot

.getRenderer();

BasicStroke realLine = new BasicStroke(1.8f); // 设置实线

// 设置虚线

float dashes[] = { 5.0f };

BasicStroke brokenLine = new BasicStroke(2.2f, // 线条粗细

BasicStroke.CAP_ROUND, // 端点风格

BasicStroke.JOIN_ROUND, // 折点风格

8f, dashes, 0.6f);

 

plot.setNoDataMessage("无对应的数据，请重新查询。");

plot.setNoDataMessagePaint(Color.RED);// 字体颜色

// 把饼图生成图片

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夹不存在则创建

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

chartName = path + File.separator + new Date().getTime() + ".png";

fos_jpg = new FileOutputStream(chartName);

// 高宽的设置影响椭圆饼图的形状

ChartUtilities.writeChartAsPNG(fos_jpg, chart, 700, 400);

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://[e-mail]

} catch (Exception e) {

e.printStackTrace();

}

return chartName;

}

}

 

public static String createCategoryDataset(String title, String domainName,

String rangeName, DefaultCategoryDataset dataset, String path) {

JFreeChart chart = ChartFactory

.createBarChart(title, domainName, rangeName, dataset,

PlotOrientation.VERTICAL, true, true, false);

chart.getTitle().setFont((new Font("隶书", Font.CENTER_BASELINE, 20))); // 设置标题字体

CategoryPlot plot = chart.getCategoryPlot();// 获得图表区域对象

// 设置图表的纵轴和横轴org.jfree.chart.axis.CategoryAxis

CategoryAxis domainAxis = plot.getDomainAxis();

NumberAxis numberaxis = (NumberAxis) plot.getRangeAxis();

TextTitle textTitle = chart.getTitle();

textTitle.setFont(new Font("黑体", Font.PLAIN, 20));

domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));

domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));

numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));

numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));

chart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));

 

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夹不存在则创建

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

chartName = path + File.separator + new Date().getTime() + ".png";

fos_jpg = new FileOutputStream(chartName);

// 高宽的设置影响椭圆饼图的形状

ChartUtilities.writeChartAsPNG(fos_jpg, chart, 700, 400);

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://[e-mail]

} catch (Exception e) {

e.printStackTrace();

}

return chartName;

}

}

 

public static String createBarChart(String title, String domainName,

String rangeName, CategoryDataset dataset, String path) {

JFreeChart chart = ChartFactory.createBarChart3D(title,domainName ,

rangeName, dataset, PlotOrientation.VERTICAL, true, true, false);

CategoryPlot plot = chart.getCategoryPlot();

chart.getTitle().setFont((new Font("隶书", Font.CENTER_BASELINE, 20))); // 设置标题字体

// 设置网格背景颜色

plot.setBackgroundPaint(Color.white);

// 设置网络竖线颜色

plot.setDomainGridlinePaint(Color.pink);

// 显示每个柱的数值，并修改该数字的字体属性

BarRenderer3D renderer = new BarRenderer3D();

renderer

.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());

renderer.setBaseItemLabelsVisible(true);

// 默认的数字显示在柱子中，通过以下两句调整数字的显示

// 注意，此句很关键，若无此句，那数字的显示会覆盖，给人数字没有显示出来的问题

renderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(

ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));

renderer.setItemLabelAnchorOffset(10D);

// 设置每个地区所包含的平行柱的之间的距离

// renderer.setItemMargin(0.3);

plot.setRenderer(renderer);

 

// 设置位置

plot.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);

// 将默认的左边的放到右方

plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);

NumberAxis numberaxis = (NumberAxis) plot.getRangeAxis();

CategoryAxis domainAxis = plot.getDomainAxis();

// 图表标题

Font font = new Font("宋体", Font.BOLD, 16);

chart.setTitle(title); // 标题

 

// X轴乱码

// X轴坐标上的文字：

domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));

// X轴坐标标题

domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));

// Y轴坐标上的文字

numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));

// Y轴坐标标题

numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));

// 图表底部乱码

chart.getLegend().setItemFont(new Font("黑体", Font.PLAIN, 12));

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夹不存在则创建

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

chartName = path + File.separator + new Date().getTime() + ".png";

fos_jpg = new FileOutputStream(chartName);

// 高宽的设置影响椭圆饼图的形状

ChartUtilities.writeChartAsPNG(fos_jpg, chart, 700, 400);

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://[e-mail]

} catch (Exception e) {

e.printStackTrace();

}

return chartName;

}

}

public static String createPointChart(XYDataset xydataset,  String title, String domainName, String rangeName, String noDateMsg,  String path){

  

        JFreeChart jfreechart = ChartFactory.createScatterPlot(title,  

        domainName, rangeName, xydataset, PlotOrientation.VERTICAL, true, false,  

                false);  

        jfreechart.setBackgroundPaint(Color.white);  

        jfreechart.setBorderPaint(Color.GREEN);  

        jfreechart.setBorderStroke(new BasicStroke(1.5f));  

        jfreechart.getTitle().setFont((new Font("隶书", Font.CENTER_BASELINE, 20)));

        jfreechart.getLegend().setItemFont(new Font("隶书", Font.CENTER_BASELINE, 15));// 设置图例类别字体

        

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

        xyplot.setNoDataMessage(noDateMsg);  

        xyplot.setNoDataMessageFont(new Font("隶书", Font.BOLD, 14));  

        //xyplot.setNoDataMessagePaint(new Color(87, 149, 117));  

  

        xyplot.setBackgroundPaint(new Color(255, 253, 246));  

        ValueAxis vaaxis = xyplot.getDomainAxis();  

        vaaxis.setAxisLineStroke(new BasicStroke(1.5f));  

  

        ValueAxis va = xyplot.getDomainAxis(0);  

        va.setAxisLineStroke(new BasicStroke(1.5f));  

  

        va.setAxisLineStroke(new BasicStroke(1.5f)); // 坐标轴粗细  

        va.setAxisLinePaint(new Color(215, 215, 215)); // 坐标轴颜色  

        xyplot.setOutlineStroke(new BasicStroke(1.5f)); // 边框粗细  

        va.setLabelPaint(new Color(10, 10, 10)); // 坐标轴标题颜色  

        va.setTickLabelPaint(new Color(102, 102, 102)); // 坐标轴标尺值颜色  

        ValueAxis axis = xyplot.getRangeAxis();  

        vaaxis.setLabelFont(new Font("隶书", Font.CENTER_BASELINE, 15));

        axis.setAxisLineStroke(new BasicStroke(1.5f));  

  

        XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyplot  

                .getRenderer();  

        xylineandshaperenderer.setSeriesOutlinePaint(0, Color.WHITE);  

        xylineandshaperenderer.setUseOutlinePaint(true);  

        NumberAxis numberaxis = (NumberAxis) xyplot.getDomainAxis();  

        numberaxis.setAutoRangeIncludesZero(false);  

        numberaxis.setTickMarkInsideLength(2.0F);  

        numberaxis.setTickMarkOutsideLength(0.0F);  

        numberaxis.setAxisLineStroke(new BasicStroke(1.5f));  

       // numberaxis.setUpperBound(maxpress); 最大值设置 

       // numberaxis.setLowerBound();最小值设置

        NumberAxis numberaxis1 = (NumberAxis) xyplot.getRangeAxis();  

        numberaxis1.setTickMarkInsideLength(2.0F);  

        numberaxis1.setTickMarkOutsideLength(0.0F);  

        numberaxis1.setUpperBound(150d);  

        numberaxis1.setLowerBound(35);  

        numberaxis1.setAxisLineStroke(new BasicStroke(1.5f));  

        numberaxis1.setLabelFont(new Font("隶书", Font.CENTER_BASELINE, 15));

  

        XYBoxAnnotation box = new XYBoxAnnotation(0, 0, 89, 59); //正常血压所在区域内边界  

        XYBoxAnnotation box1 = new XYBoxAnnotation(0, 0, 119, 79);//高血压前期所在区域内边界  

        XYBoxAnnotation box2 = new XYBoxAnnotation(0, 0, 139, 89);//高血压一期所在区域内边界  

        XYBoxAnnotation box3 = new XYBoxAnnotation(0, 0, 159, 99);//高血压二期所在区域内边界  

        XYTextAnnotation text1 = new XYTextAnnotation("nomal", 70, 62.5);//标识“正常”  

        XYTextAnnotation text = new XYTextAnnotation("fore", 70, 82.5);//“高血压前期”  

        XYTextAnnotation text2 = new XYTextAnnotation("one", 70, 91.5);//“高血压一期”  

        XYTextAnnotation text3 = new XYTextAnnotation("two", 70, 101.5);//“高血压二期”  

  

          

        //将上面的边界线条，说明文字加入到xyplot中。  

        xyplot.addAnnotation(box);  

        xyplot.addAnnotation(box1);  

        xyplot.addAnnotation(box2);  

        xyplot.addAnnotation(box3);  

  

        xyplot.addAnnotation(text);  

        xyplot.addAnnotation(text1);  

        xyplot.addAnnotation(text2);  

        xyplot.addAnnotation(text3);  

        String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夹不存在则创建

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

chartName = path + File.separator + new Date().getTime() + ".png";

fos_jpg = new FileOutputStream(chartName);

ChartUtilities.writeChartAsPNG(fos_jpg, jfreechart, 700, 400);

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://[e-mail]

} catch (Exception e) {

e.printStackTrace();

}

return chartName;

}

}

}

各种数据集格式说明：

3D饼图：

String[] keys = { "王晓博", "李冰", "牛根生", "李开复", "马云", "其它" };

 double[] data = { 60, 60, 55, 77, 80, 50 };

 DefaultPieDataset dataset = new DefaultPieDataset();

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

  dataset.setValue(keys[i], data[i]);

 }

 

 

 

折线图：

      DefaultCategoryDataset ds = new DefaultCategoryDataset();  

ds.addValue(90, "温度", "2011-01-01");

ds.addValue(100, "温度", "2011-01-02");

ds.addValue(80, "温度", "2011-01-03");

ds.addValue(120, "温度", "2011-01-04");

ds.addValue(130, "湿度", "2011-01-01");

ds.addValue(100, "湿度", "2011-01-02");

ds.addValue(150, "湿度", "2011-01-03");

ds.addValue(140, "湿度", "2011-01-04");

柱状图：

    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

dataset.addValue(100, "struts1.2", "张三");

dataset.addValue(200, "struts2.x", "张三");

dataset.addValue(300, "webwork", "张三");

dataset.addValue(400, "spring", "张三");

dataset.addValue(100, "struts1.2", "李四");

dataset.addValue(200, "struts2.x", "李四");

dataset.addValue(300, "webwork", "李四");

dataset.addValue(400, "spring", "李四");  //dataset.addValue(-20,　"Ext　JS",　"Jan")负向坐标

散点图：

double[][] data1 = new double[2][5];

DefaultXYDataset xydataset = new DefaultXYDataset();  

data1[0][0] = 80;

data1[1][0] = 88;

data1[0][1] = 82;

data1[1][1] = 90;

data1[0][2] = 98;

data1[1][2] = 67;

data1[0][3] = 110;

data1[1][3] = 120;

data1[0][4] = 122;

data1[1][4] = 132;

xydataset.addSeries("温度", data1); 

 

 

 

条形图：

double[][] data = new double[][] { { 1310, 1220, 1110, 1000, 666 },

{ 720, 700, 680, 640, 777 }, { 1130, 1020, 980, 800, 888 },

{ 440, 400, 360, 300, 999 }, { 400, 400, 400, 400, 555 } };

String[] rowKeys = { "猪肉", "牛肉", "鸡肉", "鱼肉", "羊肉" };

String[] columnKeys = { "襄城", "樊城", "襄州", "东津", "鱼梁州" };

CategoryDataset dataset = DatasetUtilities.createCategoryDataset(

rowKeys, columnKeys, data);