「java生成chart」Java生成uuid

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本文目录一览：

• 1、java导出excel图表
• 2、java怎么生成折线图,传入月份（1,2,3）生产数量（100,200,300），然后生成一个折线图，最好是曲线图，谢
• 3、如何用java整合echarts生成饼图
• 4、eclipse中用JAVA代码怎么画柱形图表

java导出excel图表

通过Java程序导出带图表的excel吗？参考下面用spire.xls.jar来创建Excel图表的方法，这里以创建饼图为例，当然你也可以指定创建其他图表类型，如柱状图、折线图、雷达图、散点图等等：

import com.spire.xls.*;

import com.spire.xls.charts.ChartSerie;

import java.awt.*;

public class CreatePieChart {

public static void main(String[] args) {

//创建Workbook对象

Workbook workbook = new Workbook();

//获取第一个工作表

Worksheet sheet = workbook.getWorksheets().get(0);

//将图表数据写入工作表

sheet.getCellRange("A1").setValue("年份");

sheet.getCellRange("A2").setValue("2002");

sheet.getCellRange("A3").setValue("2003");

sheet.getCellRange("A4").setValue("2004");

sheet.getCellRange("A5").setValue("2005");

sheet.getCellRange("B1").setValue("销售额");

sheet.getCellRange("B2").setNumberValue(4000);

sheet.getCellRange("B3").setNumberValue(6000);

sheet.getCellRange("B4").setNumberValue(7000);

sheet.getCellRange("B5").setNumberValue(8500);

//设置单元格样式

sheet.getCellRange("A1:B1").setRowHeight(15);

sheet.getCellRange("A1:B1").getCellStyle().setColor(Color.darkGray);

sheet.getCellRange("A1:B1").getCellStyle().getExcelFont().setColor(Color.white);

sheet.getCellRange("A1:B1").getCellStyle().setVerticalAlignment(VerticalAlignType.Center);

sheet.getCellRange("A1:B1").getCellStyle().setHorizontalAlignment(HorizontalAlignType.Center);

sheet.getCellRange("B2:C5").getCellStyle().setNumberFormat("\"￥\"#,##0");

//添加饼图

Chart chart = sheet.getCharts().add(ExcelChartType.Pie);

//设置图表数据区域

chart.setDataRange(sheet.getCellRange("B2:B5"));

chart.setSeriesDataFromRange(false);

//设置图表位置

chart.setLeftColumn(3);

chart.setTopRow(1);

chart.setRightColumn(11);

     chart.setBottomRow(20);

//设置图表标题

chart.setChartTitle("年销售额");

chart.getChartTitleArea().isBold(true);

chart.getChartTitleArea().setSize(12);

//设置系列标签

ChartSerie cs = chart.getSeries().get(0);

cs.setCategoryLabels(sheet.getCellRange("A2:A5"));

cs.setValues(sheet.getCellRange("B2:B5"));

cs.getDataPoints().getDefaultDataPoint().getDataLabels().hasValue(true);

chart.getPlotArea().getFill().setVisible(false);

 //保存文档

workbook.saveToFile("output/PieChart.xlsx", ExcelVersion.Version2016);

}

}

饼图创建效果：

excel饼状图效果

java怎么生成折线图,传入月份（1,2,3）生产数量（100,200,300），然后生成一个折线图，最好是曲线图，谢

按照你的要求编写的折线图程序如下：生成的图片放在D盘根目录下，文件名是testline.png

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.ChartPanel;

import org.jfree.chart.ChartUtilities;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.axis.NumberAxis;

import org.jfree.chart.plot.CategoryPlot;

import org.jfree.chart.plot.PlotOrientation;

import org.jfree.data.category.DefaultCategoryDataset;

import org.jfree.ui.ApplicationFrame;

import org.jfree.ui.RefineryUtilities;

public class LineCharts extends ApplicationFrame {

public LineCharts(String s) {

super(s);

setContentPane(createDemoLine());

}

public static void main(String[] args) {

LineCharts fjc = new LineCharts("折线图");

fjc.pack();

RefineryUtilities.centerFrameOnScreen(fjc);

fjc.setVisible(true);

}

// 生成显示图表的面板 public static JPanel createDemoLine() {

JFreeChart jfreechart = createChart(createDataset());

saveAsFile(jfreechart, "D://testline.png", 500, 300);

return new ChartPanel(jfreechart);

}

// 生成图表主对象JFreeChart public static JFreeChart createChart(DefaultCategoryDataset linedataset) {

//定义图表对象

JFreeChart chart = ChartFactory.createLineChart("LineChart", // chart title

"Time", // domain axis label

"Quantity", // range axis label

linedataset, // data

PlotOrientation.VERTICAL, // orientation

true, // include legend

true, // tooltips

false // urls

);

CategoryPlot plot = chart.getCategoryPlot();

// customise the range axis...

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

rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

rangeAxis.setAutoRangeIncludesZero(true);

rangeAxis.setUpperMargin(1);

rangeAxis.setLabelAngle(Math.PI / 2.0);

return chart; }

//生成数据 public static DefaultCategoryDataset createDataset() {

DefaultCategoryDataset linedataset = new DefaultCategoryDataset();

// 各曲线名称

String series1 = "car";

// 横轴名称(列名称)

String type1 = "Jan";

String type2 = "Feb";

String type3 = "Mar";

linedataset.addValue(100, series1, type1); linedataset.addValue(200, series1, type2);

linedataset.addValue(300, series1, type3);

return linedataset; }

public static void saveAsFile(JFreeChart chart, String outputPath,

int weight, int height) {

FileOutputStream out = null;

try {

File outFile = new File(outputPath);

if (!outFile.getParentFile().exists()) {

outFile.getParentFile().mkdirs();

}

out = new FileOutputStream(outputPath);

// 保存为PNG文件

ChartUtilities.writeChartAsPNG(out, chart, 600, 350);

out.flush();

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

} finally {

if (out != null) {

try {

out.close();

} catch (IOException e) {

// do nothing

}

}

}

}

}

如何用java整合echarts生成饼图

首先要把echarts所需的js和swf文件导入进去

  //后台拼图标所需xml

  StringBuffer outXml = new StringBuffer();//任务列表xml字符串

  @Action("/task/loadMyTaskPercentXml")

    public String loadMyTaskPercentXml()

    {

        HttpServletResponse res = ServletActionContext.getResponse();

        res.setHeader("Cache-Control", "no-store");

        res.setHeader("Pragma", "no-cache");

        res.setDateHeader("Expires", 0);

        res.setContentType("text/xml;charset=GBK");

        PrintWriter out = res.getWriter();

        StringBuffer outXml = new StringBuffer(

            "?xml version=\"1.0\" encoding=\"GBK\"?\n");

        outXml

            .append("chart baseFontSize=\'12\' caption=\'任务统计\' subcaption=\'\'  yAxisMinValue=\'51650.1\' yAxisMaxValue=\'71118.3\' xaxisname=\'日期\' yaxisname=\'数量\' hovercapbg=\'FFECAA\' hovercapborder=\'F47E00\' formatNumberScale=\'0\'  decimalPrecision=\'0\' showvalues=\'1\' numdivlines=\'10\' numVdivlines=\'0\' shownames=\'1\' rotateNames=\'1\'");

        outXml.append("\n");

        outXml.append("set name=\'已完成任务(%)");

        outXml.append("\' value=\'" + s1.replace("%", "") + "");

        outXml.append("\' /");

        outXml.append("\n");

        outXml.append("set name=\'未完成任务(%)");

        outXml.append("\' value=\'" + s2.replace("%", "") + "");

        outXml.append("\' /");

        outXml.append("\n");

        outXml.append("/chart\n");

        out.print(outXml.toString());

        out.flush();

        out.close();

        return null;

    }

    在后台进行拼装xml，并且返回到页面

    div style="display:none" id="taskListGraph"${outXml}/div

    script  type="text/javascript"

        var text= document.getElementById("taskListGraph").innerHTML

var chart2 = new FusionCharts("${base}/swf/Bar2D.swf?ChartNoDataText=暂无数据XMLLoadingText=正在载入数据，请稍候", "chart02", "610", "276");

chart2.setDataXML(text);

chart2.render('jdbox');

chart2.addParam("wmode", "Opaque");

    /script

    这样图就生成好了！

eclipse中用JAVA代码怎么画柱形图表

用jfreechart

jfreechart绘制柱状图

import java.io.File;

import java.io.IOException;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.ChartUtilities;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.plot.PlotOrientation;

import org.jfree.data.category.DefaultCategoryDataset;

/*

* 绘制柱状图

*你亮哥

* */

public class BarChart3DDemo

{

public static void main(String[] args)

{

try

{

//设置主题

ChartFactory.setChartTheme(Theme.getTheme());

//构造数据

DefaultCategoryDataset dataset = new DefaultCategoryDataset();

dataset.addValue(100, "JAVA","1");

dataset.addValue(200, "js","1");

dataset.addValue(200, "C++", "2");

dataset.addValue(300, "C", "3");

dataset.addValue(400, "HTML", "4");

dataset.addValue(400, "CSS", "5");

/*

* public static JFreeChart createBarChart3D(

* java.lang.String title, 设置图表的标题

* java.lang.String categoryAxisLabel, 设置分类轴的标示

* java.lang.String valueAxisLabel, 设置值轴的标示

* CategoryDataset dataset, 设置数据

* PlotOrientation orientation, 设置图表的方向

* boolean legend, 设置是否显示图例

* boolean tooltips,设置是否生成热点工具

* boolean urls) 设置是否显示url

*/

JFreeChart chart = ChartFactory.createBarChart3D("编程语言统计", "语言",

"学习人数", dataset, PlotOrientation.VERTICAL, true, false,

false);

//保存图表

ChartUtilities.saveChartAsPNG(new File("E:/chart/BarChart3D.png"), chart, 800, 500);

System.out.println("绘图完成");

}

catch (IOException e)

{

e.printStackTrace();

}

}

}

===================================================================================

//一条线 有点 有数

package Test;

import java.awt.Color;

import java.awt.Font;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.ChartFrame;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.axis.AxisSpace;

import org.jfree.chart.labels.ItemLabelAnchor;

import org.jfree.chart.labels.ItemLabelPosition;

import org.jfree.chart.labels.StandardXYItemLabelGenerator;

import org.jfree.chart.plot.XYPlot;

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

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

import org.jfree.chart.title.TextTitle;

import org.jfree.data.time.Month;

import org.jfree.data.time.TimeSeries;

import org.jfree.data.time.TimeSeriesCollection;

import org.jfree.ui.RectangleInsets;

import org.jfree.ui.TextAnchor;

public class try123 {

public static void main(String[] args){

//首先构造数据

TimeSeries timeSeries = new TimeSeries("BMI", Month.class);

// 时间曲线数据集合

TimeSeriesCollection lineDataset = new TimeSeriesCollection();

// 构造数据集合

timeSeries.add(new Month(1, 2009), 45);

timeSeries.add(new Month(2, 2009), 46);

timeSeries.add(new Month(3, 2009), 1);

timeSeries.add(new Month(4, 2009), 500);

timeSeries.add(new Month(5, 2009), 43);

timeSeries.add(new Month(6, 2009), 324);

timeSeries.add(new Month(7, 2009), 632);

timeSeries.add(new Month(8, 2009), 34);

timeSeries.add(new Month(9, 2009), 12);

timeSeries.add(new Month(10, 2009), 543);

timeSeries.add(new Month(11, 2009), 32);

timeSeries.add(new Month(12, 2009), 225);

lineDataset.addSeries(timeSeries);

JFreeChart chart = ChartFactory.createTimeSeriesChart("", "date", "bmi", lineDataset, true, true, true);

//增加标题

chart.setTitle(new TextTitle("XXXBMI指数", new Font("隶书", Font.ITALIC, 15)));

chart.setAntiAlias(true);

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

plot.setAxisOffset(new RectangleInsets(10,10,10,10));//图片区与坐标轴的距离

plot.setOutlinePaint(Color.PINK);

plot.setInsets(new RectangleInsets(15,15,15,15));//坐标轴与最外延的距离

// plot.setOrientation(PlotOrientation.HORIZONTAL);//图形的方向，包括坐标轴。

AxisSpace as = new AxisSpace();

as.setLeft(25);

as.setRight(25);

plot.setFixedRangeAxisSpace(as);

chart.setPadding(new RectangleInsets(5,5,5,5));

chart.setNotify(true);

// 设置曲线是否显示数据点

XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer();

xylineandshaperenderer.setBaseShapesVisible(true);

// 设置曲线显示各数据点的值

XYItemRenderer xyitem = plot.getRenderer();

xyitem.setBaseItemLabelsVisible(true);

xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.INSIDE10, TextAnchor.BASELINE_LEFT));

xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());

xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14));

plot.setRenderer(xyitem);

//显示

ChartFrame frame = new ChartFrame("try1", chart);

frame.pack();

frame.setVisible(true);

}

}

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