Maven
<dependency>
<groupId>jfree</groupId>
<artifactId>jfreechart</artifactId>
<version>1.0.13</version>
</dependency>
Java
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.jfree.chart.ChartColor;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.*;
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.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
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.ui.RectangleEdge;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StringUtils;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class JfreeChartUtil {
// 图片起始位置/左
private static short LEFT_INDEX = 1;
// 图片起始位置/上
private static short TOP_INDEX = 1;
// 图片起始位置/右
private static short RIGHT_INDEX = 12;
// 图片起始位置/下
private static short BOTTOM_INDEX = 15;
public JfreeChartUtil() {
}
public JfreeChartUtil(short LEFT_INDEX, short TOP_INDEX, short RIGHT_INDEX, short BOTTOM_INDEX) {
this.LEFT_INDEX = LEFT_INDEX;
this.TOP_INDEX = TOP_INDEX;
this.RIGHT_INDEX = RIGHT_INDEX;
this.BOTTOM_INDEX = BOTTOM_INDEX;
}
/**
* 生成饼状图
*/
public void createPinChart(Map<String, Object> pinChartDataMap, SXSSFWorkbook workbook, Drawing drawing) {
String title = StringUtils.isEmpty(pinChartDataMap.get("title").toString()) ? "" : pinChartDataMap.get("title").toString();
executePinChart(title, workbook, pieData(pinChartDataMap), drawing, LEFT_INDEX, TOP_INDEX, RIGHT_INDEX, BOTTOM_INDEX);
}
/**
* 生成柱状图
*/
public void createBarChart(Map<String, Object> chartDataMap, SXSSFWorkbook workbook, Drawing drawing) {
String title = StringUtils.isEmpty(chartDataMap.get("title").toString()) ? "" : chartDataMap.get("title").toString();
executeBarChart(title, chartData(chartDataMap), workbook, drawing, LEFT_INDEX, TOP_INDEX, RIGHT_INDEX, BOTTOM_INDEX);
}
/**
* 生成折线图
*/
public void createLineChart(List<Map<String, Object>> lineChartDataList, SXSSFWorkbook workbook, Drawing drawing) {
for (Map<String, Object> resultMap : lineChartDataList) {
String title = StringUtils.isEmpty(resultMap.get("title").toString()) ? "" : resultMap.get("title").toString();
executeLineChart(title, chartData(resultMap), workbook, drawing, LEFT_INDEX, TOP_INDEX, RIGHT_INDEX, BOTTOM_INDEX);
// 图片整体向右位移12单元格
// 左边距位移12
LEFT_INDEX += 12;
// 右边距位移12
RIGHT_INDEX += 12;
}
}
// 饼状图数据组合
public PieDataset pieData(Map<String, Object> pinChartDataMap) {
List dataList = (List) pinChartDataMap.get("dataList");
List keyList = (List) pinChartDataMap.get("keyList");
if (!CollectionUtils.isEmpty(dataList)) {
if (dataList.size() == keyList.size()) {
DefaultPieDataset dataSet = new DefaultPieDataset();
for (int i = 0; i < dataList.size(); i++) {
dataSet.setValue(keyList.get(i).toString(), Integer.parseInt(dataList.get(i).toString()));
}
return dataSet;
}
}
return null;
}
// 柱状图/折线图数据组合
public DefaultCategoryDataset chartData(Map<String, Object> resultMap) {
List<Object> keyList = (List<Object>) resultMap.get("keyList");
List<Object> dataList = (List<Object>) resultMap.get("dataList");
DefaultCategoryDataset dataSet = new DefaultCategoryDataset();
for (int i = 0; i < dataList.size(); i++) {
dataSet.addValue(Integer.parseInt(dataList.get(i).toString()), resultMap.get("title").toString(), keyList.get(i).toString());
}
return dataSet;
}
/**
* 执行生成饼状图
*
* @param title
* @param workbook
* @param dataSet
* @param drawing
* @param LEFT_INDEX
* @param TOP_INDEX
* @param RIGHT_INDEX
* @param BOTTOM_INDEX
*/
public void executePinChart(String title, SXSSFWorkbook workbook, PieDataset dataSet, Drawing drawing, short LEFT_INDEX, short TOP_INDEX, short RIGHT_INDEX, short BOTTOM_INDEX) {
try {
JFreeChart chart = ChartFactory.createPieChart3D(
title, // 图表标题
dataSet, // 数据集
true, // 显示label
true, // 显示提示
true); // 显示urls
// 使下说明标签字体清晰
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
Font font = new Font("simsun", Font.BOLD, 25);
TextTitle textTitle = new TextTitle(title);
textTitle.setFont(font);
chart.setTitle(title);
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("NO DATAS");
// 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}={1}({2})"));
plot.setLabelFont(new Font("simsun", 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);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
try {
ChartUtilities.writeChartAsPNG(byteArrayOutputStream, chart, 400, 200);
String fileSavePath = "exTest.png";
BufferedImage bufferImg = ImageIO.read(new File(fileSavePath));
ImageIO.write(bufferImg, "png", byteArrayOutputStream);
} catch (IOException e) {
}
// 八个参数，前四个表示图片离起始单元格和结束单元格边缘的位置，
// 后四个表示起始和结束单元格的位置，需要注意excel起始位置是0
XSSFClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, LEFT_INDEX, TOP_INDEX, RIGHT_INDEX, BOTTOM_INDEX);
anchor.setAnchorType(3);
// 插入图片
drawing.createPicture(anchor, workbook.addPicture(byteArrayOutputStream.toByteArray(), SXSSFWorkbook.PICTURE_TYPE_PNG));
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 执行生成柱状图
*
* @param title
* @param dataSet
* @param workbook
* @param drawing
* @param LEFT_INDEX
* @param TOP_INDEX
* @param RIGHT_INDEX
* @param BOTTOM_INDEX
*/
public void executeBarChart(String title, CategoryDataset dataSet, SXSSFWorkbook workbook, Drawing drawing, short LEFT_INDEX, short TOP_INDEX, short RIGHT_INDEX, short BOTTOM_INDEX) {
JFreeChart chart = ChartFactory.createBarChart(
title, // 图表标题
"", // 目录轴的显示标签
"", // 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
);
Font labelFont = new Font("simsun", Font.TRUETYPE_FONT, 12);
/*
* VALUE_TEXT_ANTIALIAS_OFF表示将文字的抗锯齿关闭,
* 使用的关闭抗锯齿后，字体尽量选择12到14号的宋体字,这样文字最清晰好看
*/
// chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
chart.setTextAntiAlias(false);
chart.setBackgroundPaint(Color.white);
// create plot
CategoryPlot plot = chart.getCategoryPlot();
// 设置横虚线可见
plot.setRangeGridlinesVisible(true);
// 虚线色彩
plot.setRangeGridlinePaint(Color.gray);
// 数据轴精度
NumberAxis vn = (NumberAxis) plot.getRangeAxis();
// vn.setAutoRangeIncludesZero(true);
DecimalFormat df = new DecimalFormat("#0.00");
vn.setNumberFormatOverride(df); // 数据轴数据标签的显示格式
// x轴设置
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setLabelFont(labelFont);// 轴标题
domainAxis.setTickLabelFont(labelFont);// 轴数值
// Lable（Math.PI/3.0）度倾斜
// domainAxis.setCategoryLabelPositions(CategoryLabelPositions
// .createUpRotationLabelPositions(Math.PI / 3.0));
domainAxis.setMaximumCategoryLabelWidthRatio(0.6f);// 横轴上的 Lable 是否完整显示
// 设置距离图片左端距离
domainAxis.setLowerMargin(0.1);
// 设置距离图片右端距离
domainAxis.setUpperMargin(0.1);
// 设置 columnKey 是否间隔显示
// domainAxis.setSkipCategoryLabelsToFit(true);
plot.setDomainAxis(domainAxis);
// 设置柱图背景色（注意，系统取色的时候要使用16位的模式来查看颜色编码，这样比较准确）
plot.setBackgroundPaint(new Color(255, 255, 255));
// y轴设置
ValueAxis rangeAxis = plot.getRangeAxis();
rangeAxis.setLabelFont(labelFont);
rangeAxis.setTickLabelFont(labelFont);
// 设置最高的一个 Item 与图片顶端的距离
rangeAxis.setUpperMargin(0.15);
// 设置最低的一个 Item 与图片底端的距离
rangeAxis.setLowerMargin(0.15);
plot.setRangeAxis(rangeAxis);
BarRenderer renderer = new BarRenderer();
// 设置柱子宽度
renderer.setMaximumBarWidth(0.05);
// 设置柱子高度
renderer.setMinimumBarLength(0.2);
// 设置柱子边框颜色
renderer.setBaseOutlinePaint(Color.BLACK);
// 设置柱子边框可见
renderer.setDrawBarOutline(true);
// 设置每个地区所包含的平行柱的之间距离
renderer.setItemMargin(0.0);
// 显示每个柱的数值，并修改该数值的字体属性
renderer.setIncludeBaseInRange(true);
renderer
.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
renderer.setBaseItemLabelsVisible(true);
plot.setRenderer(renderer);
// 设置柱的透明度
plot.setForegroundAlpha(1.0f);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
try {
ChartUtilities.writeChartAsPNG(byteArrayOutputStream, chart, 400, 200);
String fileSavePath = "exTest.png";
BufferedImage bufferImg = ImageIO.read(new File(fileSavePath));
ImageIO.write(bufferImg, "png", byteArrayOutputStream);
} catch (IOException e) {
}
// 八个参数，前四个表示图片离起始单元格和结束单元格边缘的位置，
// 后四个表示起始和结束单元格的位置，需要注意excel起始位置是0
XSSFClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, LEFT_INDEX, TOP_INDEX, RIGHT_INDEX, BOTTOM_INDEX);
anchor.setAnchorType(3);
// 插入图片
drawing.createPicture(anchor, workbook.addPicture(byteArrayOutputStream.toByteArray(), SXSSFWorkbook.PICTURE_TYPE_PNG));
}
/**
* 执行生成折线图
*
* @param title
* @param dataSet
* @param workbook
* @param drawing
* @param LEFT_INDEX
* @param TOP_INDEX
* @param RIGHT_INDEX
* @param BOTTOM_INDEX
*/
public void executeLineChart(String title,
DefaultCategoryDataset dataSet,
SXSSFWorkbook workbook,
Drawing drawing,
short LEFT_INDEX, short TOP_INDEX, short RIGHT_INDEX, short BOTTOM_INDEX) {
try {
JFreeChart chart = ChartFactory.createLineChart(
title, // 图表标题
"",
"",
dataSet, // 数据集
PlotOrientation.VERTICAL, // 图表放置模式水平/垂直
true, // 显示label
true, // 显示提示
true); // 显示urls
// 设置图片中的字体和颜色以及字号
Font titleFont = new Font("simsun", Font.BOLD, 14);
Font xFont = new Font("simsun", Font.BOLD, 12);
Font labelFont = new Font("simsun", Font.BOLD, 12);
// 设置图例字体
chart.getLegend().setItemFont(new Font("simsun", Font.BOLD, 10));
// 设置标题字体
chart.setTitle(new TextTitle(chart.getTitle().getText(), titleFont));
// 图形的绘制结构对象
CategoryPlot plot = chart.getCategoryPlot();
// 获取显示线条的对象
LineAndShapeRenderer lineAndShapeRenderer = (LineAndShapeRenderer) plot.getRenderer();
// 设置拐点是否可见/是否显示拐点
lineAndShapeRenderer.setBaseShapesVisible(false);
// 设置拐点不同用不同的形状
lineAndShapeRenderer.setDrawOutlines(true);
// 设置线条是否被显示填充颜色
lineAndShapeRenderer.setUseFillPaint(true);
LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
// 设置折线大小以及折线的颜色
renderer.setSeriesStroke(0, new BasicStroke(1.0F));
renderer.setSeriesPaint(0, new Color(255, 0, 9));
// 设置折点的大小
lineAndShapeRenderer.setSeriesOutlineStroke(0, new BasicStroke(0.025F));
lineAndShapeRenderer.setSeriesOutlineStroke(1, new BasicStroke(0.05F));
// 设置网格线
plot.setDomainGridlinePaint(Color.gray);
plot.setDomainGridlinesVisible(true);
plot.setRangeGridlinePaint(Color.gray);
plot.setRangeGridlinesVisible(true);
// x轴
CategoryAxis domainAxis = plot.getDomainAxis();
// 设置x轴不显示，即让x轴和数据区重合
domainAxis.setAxisLineVisible(false);
// x轴标题
domainAxis.setLabelFont(xFont);
// x轴数据倾斜
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(0.95D));
// X轴坐标上数值字体
domainAxis.setTickLabelFont(labelFont);
// 设置Y轴间隔
NumberAxis numAxis = (NumberAxis) plot.getRangeAxis();
numAxis.setTickUnit(new NumberTickUnit(50));
// y轴
ValueAxis rangeAxis = plot.getRangeAxis();
rangeAxis.setLabelFont(xFont);
// 设置y轴不显示，即和数据区重合
rangeAxis.setAxisLineVisible(false);
// y轴坐标上数值字体
rangeAxis.setTickLabelFont(labelFont);
rangeAxis.setFixedDimension(0);
CategoryPlot categoryPlot = chart.getCategoryPlot();
// 背景色设置
categoryPlot.setBackgroundPaint(ChartColor.WHITE);
categoryPlot.setRangeGridlinePaint(ChartColor.GRAY);
// 创建图例，设置图例的位置，这里的设置实际不起作用，怎么设都在下边
LegendTitle legendTitle = new LegendTitle(chart.getPlot());
legendTitle.setPosition(RectangleEdge.BOTTOM);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
try {
ChartUtilities.writeChartAsPNG(byteArrayOutputStream, chart, 400, 200);
String fileSavePath = "exTest.png";
BufferedImage bufferImg = ImageIO.read(new File(fileSavePath));
ImageIO.write(bufferImg, "png", byteArrayOutputStream);
} catch (IOException e) {
}
// 八个参数，前四个表示图片离起始单元格和结束单元格边缘的位置，
// 后四个表示起始和结束单元格的位置,顺序为左/上/右/下,需要注意EXCEL单元格起始位置是0
XSSFClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, LEFT_INDEX, TOP_INDEX, RIGHT_INDEX, BOTTOM_INDEX);
anchor.setAnchorType(3);
// 插入图片
drawing.createPicture(anchor, workbook.addPicture(byteArrayOutputStream.toByteArray(), SXSSFWorkbook.PICTURE_TYPE_PNG));
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 生成文件
*
* @param fileOutputStream
* @param workbook
* @throws IOException
*/
public static void outputExcel(FileOutputStream fileOutputStream, SXSSFWorkbook workbook) throws IOException {
try {
fileOutputStream = new FileOutputStream("C:\\Users\\XXX\\Desktop\\" + System.currentTimeMillis() + ".xlsx");
workbook.write(fileOutputStream);
} catch (Exception e) {
e.printStackTrace();
} finally {
fileOutputStream.close();
}
}
public static void main(String[] args) {
JfreeChartUtil jfreeChartUtil = new JfreeChartUtil();
SXSSFWorkbook workbook = new SXSSFWorkbook();
Sheet sheet = workbook.createSheet();
// 画图的顶级管理器，一个sheet只能获取一个（一定要注意这点）
Drawing drawing = sheet.createDrawingPatriarch();
FileOutputStream fileOutputStream = null;
try {
// 饼状图
jfreeChartUtil.createPinChart(pinChartDataMap(), workbook, drawing);
// 图片右移12单元格
LEFT_INDEX += 12;
RIGHT_INDEX += 12;
// 柱状图
jfreeChartUtil.createBarChart(barChartDataMap(), workbook, drawing);
// 图片右移12单元格
LEFT_INDEX += 12;
RIGHT_INDEX += 12;
// 折线图
jfreeChartUtil.createLineChart(lineChartDataList(), workbook, drawing);
// 输出文件
outputExcel(fileOutputStream, workbook);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 饼状图数据集模拟
*
* @return
*/
public static Map<String, Object> pinChartDataMap() {
Map<String, Object> resultMap = new HashMap<>();
resultMap.put("title", "饼状图");
List<Object> keyList = new ArrayList<>();
keyList.add("失败率");
keyList.add("成功率");
List<Object> dataList = new ArrayList<>();
dataList.add(9);
dataList.add(90);
resultMap.put("keyList", keyList);
resultMap.put("dataList", dataList);
return resultMap;
}
/**
* 柱状图数据集模拟
*
* @return
*/
public static Map<String, Object> barChartDataMap() {
Map<String, Object> resultMap = new HashMap<>();
resultMap.put("title", "苹果柱状图");
List<Object> keyList = new ArrayList<>();
keyList.add("北京");
keyList.add("上海");
keyList.add("广州");
keyList.add("成都");
keyList.add("深圳");
List<Object> dataList = new ArrayList<>();
dataList.add(672);
dataList.add(766);
dataList.add(223);
dataList.add(540);
dataList.add(126);
resultMap.put("keyList", keyList);
resultMap.put("dataList", dataList);
return resultMap;
}
/**
* 折线图数据集模拟
*
* @return
*/
public static List<Map<String, Object>> lineChartDataList() {
List<Map<String, Object>> resultList = new ArrayList<>();
// 设置具体数据
List<Object> keyList = new ArrayList<>();
keyList.add("2018-12-09");
keyList.add("2018-12-10");
keyList.add("2018-12-11");
keyList.add("2018-12-12");
keyList.add("2018-12-13");
keyList.add("2018-12-14");
keyList.add("2018-12-15");
keyList.add("2018-12-16");
keyList.add("2018-12-17");
List<Object> dataList = new ArrayList<>();
dataList.add(100);
dataList.add(100);
dataList.add(230);
dataList.add(200);
dataList.add(200);
dataList.add(200);
dataList.add(150);
dataList.add(150);
dataList.add(150);
Map<String, Object> innerMap = new HashMap<>();
innerMap.put("title", "水果销量折线图");
innerMap.put("keyList", keyList);
innerMap.put("dataList", dataList);
// 设置具体数据
List<Object> keyList2 = new ArrayList<>();
keyList2.add("09:00");
keyList2.add("10:00");
keyList2.add("11:00");
keyList2.add("12:00");
keyList2.add("13:00");
keyList2.add("14:00");
keyList2.add("15:00");
keyList2.add("16:00");
keyList2.add("17:00");
List<Object> dataList2 = new ArrayList<>();
dataList2.add(100);
dataList2.add(230);
dataList2.add(100);
dataList2.add(200);
dataList2.add(200);
dataList2.add(200);
dataList2.add(150);
dataList2.add(150);
dataList2.add(150);
Map<String, Object> innerMap2 = new HashMap<>();
innerMap2.put("title", "TT销量折线图");
innerMap2.put("keyList", keyList2);
innerMap2.put("dataList", dataList2);
resultList.add(innerMap);
resultList.add(innerMap2);
return resultList;
}
}
原文地址：https://www.cnblogs.com/huahuavip/p/10109812.html
时间： 2024-10-10 09:38:03