jfreechart繪圖工具類

基於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);

 

// 使下面的說明標籤字體清晰,相似於去鋸齒的效果

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

RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);

chart.setTextAntiAlias(false);

// 圖片背景色

chart.setBackgroundPaint(Color.white);

 

// 設置圖標題的字體從新設置title(否組有些版本Title會出現亂碼)

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

 

// 設置圖例(Legend)上的文字(//底部的字體)

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

 

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

// 圖片中顯示百分比:默認方式

 

// 指定餅圖輪廓線的顏色

plot.setBaseSectionOutlinePaint(Color.BLACK);

plot.setBaseSectionPaint(Color.BLACK);

 

// 設置無數據時的信息

plot.setNoDataMessage("無對應的數據，請從新查詢。");

 

// 設置無數據時的信息顯示顏色

plot.setNoDataMessagePaint(Color.red);

 

// 圖片中顯示百分比:自定義方式，{0} 表示選項， {1} 表示數值， {2} 表示所佔比例 ,小數點後兩位

plot.setLabelGenerator(new StandardPieSectionLabelGenerator(

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

new DecimalFormat("0.00%")));

// 圖例顯示百分比:自定義方式， {0} 表示選項， {1} 表示數值， {2} 表示所佔比例

plot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator(

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

 

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

 

// 指定圖片的透明度(0.0-1.0)

plot.setForegroundAlpha(0.65f);

// 指定顯示的餅圖上圓形(false)還橢圓形(true)

plot.setCircular(false, true);

 

// 設置第一個 餅塊section 的開始位置，默認是12點鐘方向

plot.setStartAngle(90);

 

// 設置分餅顏色(不設置它會本身設置)

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

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

 

// 把餅圖生成圖片

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夾不存在則建立

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

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

fos_jpg = new FileOutputStream(chartName);

// 高寬的設置影響橢圓餅圖的形狀

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

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://1wangxiaobo@163.com

} 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, // 繪製方向

true, // 顯示圖例

true, // 採用標準生成器

false // 是否生成超連接

);

chart.getTitle().setFont((new Font("隸書", Font.CENTER_BASELINE, 20))); // 設置標題字體

chart.getLegend().setItemFont(new Font("隸書", Font.CENTER_BASELINE, 15));// 設置圖例類別字體

// 獲取繪圖區對象

CategoryPlot plot = chart.getCategoryPlot();

plot.setBackgroundPaint(Color.LIGHT_GRAY); // 設置繪圖區背景色

plot.setRangeGridlinePaint(Color.WHITE); // 設置水平方向背景線顏色

plot.setRangeGridlinesVisible(true);// 設置是否顯示水平方向背景線,默認值爲true

plot.setDomainGridlinePaint(Color.WHITE); // 設置垂直方向背景線顏色

plot.setDomainGridlinesVisible(true); // 設置是否顯示垂直方向背景線,默認值爲false

 

CategoryAxis domainAxis = plot.getDomainAxis();

domainAxis.setLabelFont(new Font("隸書", Font.CENTER_BASELINE, 15)); // 設置橫軸字體

// domainAxis.setTickLabelFont(font);// 設置座標軸標尺值字體

domainAxis.setLowerMargin(0.01);// 左邊距 邊框距離

domainAxis.setUpperMargin(0.06);// 右邊距 邊框距離,防止最後邊的一個數據靠近了座標軸。

domainAxis.setMaximumCategoryLabelLines(2);

 

ValueAxis rangeAxis = plot.getRangeAxis();

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

rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());// Y軸顯示整數

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

rangeAxis.setUpperMargin(0.18);// 上邊距,防止最大的一個數據靠近了座標軸。

rangeAxis.setLowerBound(0); // 最小值顯示0

rangeAxis.setAutoRange(false); // 不自動分配Y軸數據

rangeAxis.setTickMarkStroke(new BasicStroke(1.6f)); // 設置座標標記大小

rangeAxis.setTickMarkPaint(Color.BLACK); // 設置座標標記顏色

 

// 獲取折線對象

LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot

.getRenderer();

BasicStroke realLine = new BasicStroke(1.8f); // 設置實線

// 設置虛線

float dashes[] = { 5.0f };

BasicStroke brokenLine = new BasicStroke(2.2f, // 線條粗細

BasicStroke.CAP_ROUND, // 端點風格

BasicStroke.JOIN_ROUND, // 折點風格

8f, dashes, 0.6f);

 

plot.setNoDataMessage("無對應的數據，請從新查詢。");

plot.setNoDataMessagePaint(Color.RED);// 字體顏色

// 把餅圖生成圖片

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夾不存在則建立

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

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

fos_jpg = new FileOutputStream(chartName);

// 高寬的設置影響橢圓餅圖的形狀

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

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://1wangxiaobo@163.com

} 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("隸書", Font.CENTER_BASELINE, 20))); // 設置標題字體

CategoryPlot plot = chart.getCategoryPlot();// 得到圖表區域對象

// 設置圖表的縱軸和橫軸org.jfree.chart.axis.CategoryAxis

CategoryAxis domainAxis = plot.getDomainAxis();

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

TextTitle textTitle = chart.getTitle();

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

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

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

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

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

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

 

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夾不存在則建立

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

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

fos_jpg = new FileOutputStream(chartName);

// 高寬的設置影響橢圓餅圖的形狀

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

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://1wangxiaobo@163.com

} 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("隸書", Font.CENTER_BASELINE, 20))); // 設置標題字體

// 設置網格背景顏色

plot.setBackgroundPaint(Color.white);

// 設置網絡豎線顏色

plot.setDomainGridlinePaint(Color.pink);

// 顯示每一個柱的數值，並修改該數字的字體屬性

BarRenderer3D renderer = new BarRenderer3D();

renderer

.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());

renderer.setBaseItemLabelsVisible(true);

// 默認的數字顯示在柱子中，經過如下兩句調整數字的顯示

// 注意，此句很關鍵，若無此句，那數字的顯示會覆蓋，給人數字沒有顯示出來的問題

renderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(

ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));

renderer.setItemLabelAnchorOffset(10D);

// 設置每一個地區所包含的平行柱的之間的距離

// renderer.setItemMargin(0.3);

plot.setRenderer(renderer);

 

// 設置位置

plot.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);

// 將默認的左邊的放到右方

plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);

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

CategoryAxis domainAxis = plot.getDomainAxis();

// 圖表標題

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

chart.setTitle(title); // 標題

 

// X軸亂碼

// X軸座標上的文字：

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

// X軸座標標題

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

// Y軸座標上的文字

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

// Y軸座標標題

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

// 圖表底部亂碼

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

String chartName = "";

FileOutputStream fos_jpg = null;

try {

// 文件夾不存在則建立

File file = new File(path);

if (!file.exists()) {

file.mkdirs();

}

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

fos_jpg = new FileOutputStream(chartName);

// 高寬的設置影響橢圓餅圖的形狀

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

 

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

fos_jpg.close();// http://1wangxiaobo@163.com

} 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("隸書", Font.CENTER_BASELINE, 20)));

        jfreechart.getLegend().setItemFont(new Font("隸書", Font.CENTER_BASELINE, 15));// 設置圖例類別字體

        

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

        xyplot.setNoDataMessage(noDateMsg);  

        xyplot.setNoDataMessageFont(new Font("隸書", 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)); // 座標軸粗細  

        va.setAxisLinePaint(new Color(215, 215, 215)); // 座標軸顏色  

        xyplot.setOutlineStroke(new BasicStroke(1.5f)); // 邊框粗細  

        va.setLabelPaint(new Color(10, 10, 10)); // 座標軸標題顏色  

        va.setTickLabelPaint(new Color(102, 102, 102)); // 座標軸標尺值顏色  

        ValueAxis axis = xyplot.getRangeAxis();  

        vaaxis.setLabelFont(new Font("隸書", 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); 最大值設置 

       // numberaxis.setLowerBound();最小值設置

        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("隸書", Font.CENTER_BASELINE, 15));

  

        XYBoxAnnotation box = new XYBoxAnnotation(0, 0, 89, 59); //正常血壓所在區域內邊界  

        XYBoxAnnotation box1 = new XYBoxAnnotation(0, 0, 119, 79);//高血壓前期所在區域內邊界  

        XYBoxAnnotation box2 = new XYBoxAnnotation(0, 0, 139, 89);//高血壓一期所在區域內邊界  

        XYBoxAnnotation box3 = new XYBoxAnnotation(0, 0, 159, 99);//高血壓二期所在區域內邊界  

        XYTextAnnotation text1 = new XYTextAnnotation("nomal", 70, 62.5);//標識「正常」  

        XYTextAnnotation text = new XYTextAnnotation("fore", 70, 82.5);//「高血壓前期」  

        XYTextAnnotation text2 = new XYTextAnnotation("one", 70, 91.5);//「高血壓一期」  

        XYTextAnnotation text3 = new XYTextAnnotation("two", 70, 101.5);//「高血壓二期」  

  

          

        //將上面的邊界線條，說明文字加入到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 {

// 文件夾不存在則建立

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://1wangxiaobo@163.com

} catch (Exception e) {

e.printStackTrace();

}

return chartName;

}

}

}
各類數據集格式說明：

3D餅圖：

String[] keys = { "王曉博", "李冰", "牛根生", "李開復", "馬雲", "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]);

 }

 

 

 

折線圖：

      DefaultCategoryDataset ds = new DefaultCategoryDataset();  

ds.addValue(90, "溫度", "2011-01-01");

ds.addValue(100, "溫度", "2011-01-02");

ds.addValue(80, "溫度", "2011-01-03");

ds.addValue(120, "溫度", "2011-01-04");

ds.addValue(130, "溼度", "2011-01-01");

ds.addValue(100, "溼度", "2011-01-02");

ds.addValue(150, "溼度", "2011-01-03");

ds.addValue(140, "溼度", "2011-01-04");

柱狀圖：

    DefaultCategoryDataset dataset = new DefaultCategoryDataset();

dataset.addValue(100, "struts1.2", "張三");

dataset.addValue(200, "struts2.x", "張三");

dataset.addValue(300, "webwork", "張三");

dataset.addValue(400, "spring", "張三");

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")負向座標

散點圖：

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("溫度", data1); 

 

 

 

條形圖：

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 = { "豬肉", "牛肉", "雞肉", "魚肉", "羊肉" };

String[] columnKeys = { "襄城", "樊城", "襄州", "東津", "魚梁州" };

CategoryDataset dataset = DatasetUtilities.createCategoryDataset(

rowKeys, columnKeys, data);