Java 学习笔记之jfreechart 生成折线图,饼图,

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package com.yyh.jfreechart;import java.awt.Color;import java.awt.Font;import java.io.File;import java.io.FileOutputStream;import java.text.DecimalFormat;import java.text.NumberFormat;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartUtilities;import org.jfree.chart.JFreeChart;import org.jfree.chart.axis.CategoryAxis;import org.jfree.chart.axis.CategoryLabelPositions;import org.jfree.chart.axis.NumberAxis;import org.jfree.chart.axis.ValueAxis;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.renderer.category.StackedBarRenderer;import org.jfree.chart.title.TextTitle;import org.jfree.data.category.CategoryDataset;import org.jfree.data.general.DatasetUtilities;import org.jfree.data.general.DefaultPieDataset;import org.jfree.data.general.PieDataset;/** * 实际取色的时候一定要16位的,这样比较准确 *  * @author new */public class CreateChartServiceImpl {    private static final String CHART_PATH = "E:/test/";    public static void main(String[] args) {        // TODO Auto-generated method stub        CreateChartServiceImpl pm = new CreateChartServiceImpl();        // 生成饼状图        pm.makePieChart();        // 生成单组柱状图        pm.makeBarChart();        // 生成多组柱状图        pm.makeBarGroupChart();        // 生成堆积柱状图        pm.makeStackedBarChart();        // 生成折线图        pm.makeLineAndShapeChart();    }    /**     * 生成折线图     */    public void makeLineAndShapeChart() {        double[][] data = new double[][]{            {672, 766, 223, 540, 126},            {325, 521, 210, 340, 106},            {332, 256, 523, 240, 526}        };        String[] rowKeys = {"苹果", "梨子", "葡萄"};        String[] columnKeys = {"北京", "上海", "广州", "成都", "深圳"};        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);        createTimeXYChar("折线图", "x轴", "y轴", dataset, "lineAndShap.png");    }    /**     * 生成分组的柱状图     */    public void makeBarGroupChart() {        double[][] data = new double[][]{            {672, 766, 223, 540, 126},            {325, 521, 210, 340, 106},            {332, 256, 523, 240, 526}        };        String[] rowKeys = {"苹果", "梨子", "葡萄"};        String[] columnKeys = {"北京", "上海", "广州", "成都", "深圳"};        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);        createBarChart(dataset, "x坐标", "y坐标", "柱状图", "barGroup.png");    }    /**     * 生成柱状图     */    public void makeBarChart() {        double[][] data = new double[][]{            {672, 766, 223, 540, 126}        };        String[] rowKeys = {"苹果"};        String[] columnKeys = {"北京", "上海", "广州", "成都", "深圳"};        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);        createBarChart(dataset, "x坐标", "y坐标", "柱状图", "bar.png");    }    /**     * 生成堆栈柱状图     */    public void makeStackedBarChart() {        double[][] data = new double[][]{            {0.21, 0.66, 0.23, 0.40, 0.26},            {0.25, 0.21, 0.10, 0.40, 0.16}        };        String[] rowKeys = {"苹果", "梨子"};        String[] columnKeys = {"北京", "上海", "广州", "成都", "深圳"};        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);        createStackedBarChart(dataset, "x坐标", "y坐标", "柱状图", "stsckedBar.png");    }    /**     * 生成饼状图     */    public void makePieChart() {        double[] data = {9, 91};        String[] keys = {"失败率", "成功率"};        createValidityComparePimChar(getDataPieSetByUtil(data, keys), "饼状图",                "pie2.png", keys);    }    // 柱状图,折线图 数据集    public CategoryDataset getBarData(double[][] data, String[] rowKeys,            String[] columnKeys) {        return DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);    }    // 饼状图 数据集    public PieDataset getDataPieSetByUtil(double[] data,            String[] datadescription) {        if (data != null && datadescription != null) {            if (data.length == datadescription.length) {                DefaultPieDataset dataset = new DefaultPieDataset();                for (int i = 0; i < data.length; i++) {                    dataset.setValue(datadescription[i], data[i]);                }                return dataset;            }        }        return null;    }    /**     * 柱状图     *      *@param dataset 数据集     * @param xName x轴的说明(如种类,时间等)     * @param yName y轴的说明(如速度,时间等)     * @param chartTitle 图标题     * @param charName 生成图片的名字     * @return     */    public String createBarChart(CategoryDataset dataset, String xName,            String yName, String chartTitle, String charName) {        JFreeChart chart = ChartFactory.createBarChart(chartTitle, // 图表标题                xName, // 目录轴的显示标签                yName, // 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("SansSerif", 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, 204));        // 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);        // // 设置柱的颜色        renderer.setSeriesPaint(0, new Color(204, 255, 255));        renderer.setSeriesPaint(1, new Color(153, 204, 255));        renderer.setSeriesPaint(2, new Color(51, 204, 204));        // 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);        FileOutputStream fos_jpg = null;        try {            isChartPathExist(CHART_PATH);            String chartName = CHART_PATH + charName;            fos_jpg = new FileOutputStream(chartName);            ChartUtilities.writeChartAsPNG(fos_jpg, chart, 500, 500, true, 10);            return chartName;        } catch (Exception e) {            e.printStackTrace();            return null;        } finally {            try {                fos_jpg.close();            } catch (Exception e) {                e.printStackTrace();            }        }    }    /**     * 横向图     *      * @param dataset 数据集     * @param xName x轴的说明(如种类,时间等)     * @param yName y轴的说明(如速度,时间等)     * @param chartTitle 图标题     * @param charName 生成图片的名字     * @return     */    public String createHorizontalBarChart(CategoryDataset dataset,            String xName, String yName, String chartTitle, String charName) {        JFreeChart chart = ChartFactory.createBarChart(chartTitle, // 图表标题                xName, // 目录轴的显示标签                yName, // 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                );        CategoryPlot plot = chart.getCategoryPlot();        // 数据轴精度        NumberAxis vn = (NumberAxis) plot.getRangeAxis();        //设置刻度必须从0开始        // vn.setAutoRangeIncludesZero(true);        DecimalFormat df = new DecimalFormat("#0.00");        vn.setNumberFormatOverride(df); // 数据轴数据标签的显示格式        CategoryAxis domainAxis = plot.getDomainAxis();        domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 横轴上的        // Lable        Font labelFont = new Font("SansSerif", Font.TRUETYPE_FONT, 12);        domainAxis.setLabelFont(labelFont);// 轴标题        domainAxis.setTickLabelFont(labelFont);// 轴数值        domainAxis.setMaximumCategoryLabelWidthRatio(0.8f);// 横轴上的 Lable 是否完整显示        // domainAxis.setVerticalCategoryLabels(false);        plot.setDomainAxis(domainAxis);        ValueAxis rangeAxis = plot.getRangeAxis();        // 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(0.03);        // 设置柱子高度        renderer.setMinimumBarLength(30);        renderer.setBaseOutlinePaint(Color.BLACK);        // 设置柱的颜色        renderer.setSeriesPaint(0, Color.GREEN);        renderer.setSeriesPaint(1, new Color(0, 0, 255));        // 设置每个地区所包含的平行柱的之间距离        renderer.setItemMargin(0.5);        // 显示每个柱的数值,并修改该数值的字体属性        renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());        // 设置柱的数值可见        renderer.setBaseItemLabelsVisible(true);        plot.setRenderer(renderer);        // 设置柱的透明度        plot.setForegroundAlpha(0.6f);        FileOutputStream fos_jpg = null;        try {            isChartPathExist(CHART_PATH);            String chartName = CHART_PATH + charName;            fos_jpg = new FileOutputStream(chartName);            ChartUtilities.writeChartAsPNG(fos_jpg, chart, 500, 500, true, 10);            return chartName;        } catch (Exception e) {            e.printStackTrace();            return null;        } finally {            try {                fos_jpg.close();            } catch (Exception e) {                e.printStackTrace();            }        }    }    /**     * 饼状图     *      * @param dataset 数据集     * @param chartTitle 图标题     * @param charName 生成图的名字     * @param pieKeys 分饼的名字集     * @return     */    public String createValidityComparePimChar(PieDataset dataset,            String chartTitle, String charName, String[] pieKeys) {        JFreeChart chart = ChartFactory.createPieChart3D(chartTitle, // chart                // title                dataset,// data                true,// include legend                true, false);        // 使下说明标签字体清晰,去锯齿类似于        // chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);的效果        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("隶书", Font.BOLD, 25);        TextTitle title = new TextTitle(chartTitle);        title.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("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}={1}({2})"));        plot.setLabelFont(new Font("SansSerif", 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        plot.setSectionPaint(pieKeys[0], new Color(244, 194, 144));        plot.setSectionPaint(pieKeys[1], new Color(144, 233, 144));        FileOutputStream fos_jpg = null;        try {            // 文件夹不存在则创建            isChartPathExist(CHART_PATH);            String chartName = CHART_PATH + charName;            fos_jpg = new FileOutputStream(chartName);            // 高宽的设置影响椭圆饼图的形状            ChartUtilities.writeChartAsPNG(fos_jpg, chart, 500, 230);            return chartName;        } catch (Exception e) {            e.printStackTrace();            return null;        } finally {            try {                fos_jpg.close();                System.out.println("create pie-chart.");            } catch (Exception e) {                e.printStackTrace();            }        }    }    /**     * 判断文件夹是否存在,如果不存在则新建     * @param chartPath     */    private void isChartPathExist(String chartPath) {        File file = new File(chartPath);        if (!file.exists()) {            file.mkdirs();        // log.info("CHART_PATH="+CHART_PATH+"create.");        }    }    /**     * 折线图     *      * @param chartTitle     * @param x     * @param y     * @param xyDataset     * @param charName     * @return     */    public String createTimeXYChar(String chartTitle, String x, String y,            CategoryDataset xyDataset, String charName) {        JFreeChart chart = ChartFactory.createLineChart(chartTitle, x, y,                xyDataset, PlotOrientation.VERTICAL, true, true, false);        chart.setTextAntiAlias(false);        chart.setBackgroundPaint(Color.WHITE);        // 设置图标题的字体重新设置title        Font font = new Font("隶书", Font.BOLD, 25);        TextTitle title = new TextTitle(chartTitle);        title.setFont(font);        chart.setTitle(title);        // 设置面板字体        Font labelFont = new Font("SansSerif", Font.TRUETYPE_FONT, 12);        chart.setBackgroundPaint(Color.WHITE);        CategoryPlot categoryplot = (CategoryPlot) chart.getPlot();        // x轴 // 分类轴网格是否可见        categoryplot.setDomainGridlinesVisible(true);        // y轴 //数据轴网格是否可见        categoryplot.setRangeGridlinesVisible(true);        categoryplot.setRangeGridlinePaint(Color.WHITE);// 虚线色彩        categoryplot.setDomainGridlinePaint(Color.WHITE);// 虚线色彩        categoryplot.setBackgroundPaint(Color.lightGray);        // 设置轴和面板之间的距离        // categoryplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D));        CategoryAxis domainAxis = categoryplot.getDomainAxis();        domainAxis.setLabelFont(labelFont);// 轴标题        domainAxis.setTickLabelFont(labelFont);// 轴数值        domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 横轴上的        // Lable        // 45度倾斜        // 设置距离图片左端距离        domainAxis.setLowerMargin(0.0);        // 设置距离图片右端距离        domainAxis.setUpperMargin(0.0);        NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());        numberaxis.setAutoRangeIncludesZero(true);        // 获得renderer 注意这里是下嗍造型到lineandshaperenderer!!        LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer) categoryplot.getRenderer();        lineandshaperenderer.setBaseShapesVisible(true); // series 点(即数据点)可见        lineandshaperenderer.setBaseLinesVisible(true); // series 点(即数据点)间有连线可见        // 显示折点数据        // lineandshaperenderer.setBaseItemLabelGenerator(new        // StandardCategoryItemLabelGenerator());        // lineandshaperenderer.setBaseItemLabelsVisible(true);        FileOutputStream fos_jpg = null;        try {            isChartPathExist(CHART_PATH);            String chartName = CHART_PATH + charName;            fos_jpg = new FileOutputStream(chartName);            // 将报表保存为png文件            ChartUtilities.writeChartAsPNG(fos_jpg, chart, 500, 510);            return chartName;        } catch (Exception e) {            e.printStackTrace();            return null;        } finally {            try {                fos_jpg.close();                System.out.println("create time-createTimeXYChar.");            } catch (Exception e) {                e.printStackTrace();            }        }    }    /**     * 堆栈柱状图     *      * @param dataset     * @param xName     * @param yName     * @param chartTitle     * @param charName     * @return     */    public String createStackedBarChart(CategoryDataset dataset, String xName,            String yName, String chartTitle, String charName) {        // 1:得到 CategoryDataset        // 2:JFreeChart对象        JFreeChart chart = ChartFactory.createStackedBarChart(chartTitle, // 图表标题                xName, // 目录轴的显示标签                yName, // 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                );        // 图例字体清晰        chart.setTextAntiAlias(false);        chart.setBackgroundPaint(Color.WHITE);        // 2 .2 主标题对象 主标题对象是 TextTitle 类型        chart.setTitle(new TextTitle(chartTitle, new Font("隶书", Font.BOLD,                25)));        // 2 .2.1:设置中文        // x,y轴坐标字体        Font labelFont = new Font("SansSerif", Font.TRUETYPE_FONT, 12);        // 2 .3 Plot 对象 Plot 对象是图形的绘制结构对象        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();        // 设置最大值是1        vn.setUpperBound(1);        // 设置数据轴坐标从0开始        // vn.setAutoRangeIncludesZero(true);        // 数据显示格式是百分比        DecimalFormat df = new DecimalFormat("0.00%");        vn.setNumberFormatOverride(df); // 数据轴数据标签的显示格式        // DomainAxis (区域轴,相当于 x 轴), RangeAxis (范围轴,相当于 y 轴)        CategoryAxis domainAxis = plot.getDomainAxis();        domainAxis.setLabelFont(labelFont);// 轴标题        domainAxis.setTickLabelFont(labelFont);// 轴数值        // x轴坐标太长,建议设置倾斜,如下两种方式选其一,两种效果相同        // 倾斜(1)横轴上的 Lable 45度倾斜        // domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);        // 倾斜(2)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        plot.setDomainAxis(domainAxis);        // 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);        // Renderer 对象是图形的绘制单元        StackedBarRenderer renderer = new StackedBarRenderer();        // 设置柱子宽度        renderer.setMaximumBarWidth(0.05);        // 设置柱子高度        renderer.setMinimumBarLength(0.1);        //设置柱的边框颜色        renderer.setBaseOutlinePaint(Color.BLACK);        //设置柱的边框可见        renderer.setDrawBarOutline(true);        // // 设置柱的颜色(可设定也可默认)        renderer.setSeriesPaint(0, new Color(204, 255, 204));        renderer.setSeriesPaint(1, new Color(255, 204, 153));        // 设置每个地区所包含的平行柱的之间距离        renderer.setItemMargin(0.4);        plot.setRenderer(renderer);        // 设置柱的透明度(如果是3D的必须设置才能达到立体效果,如果是2D的设置则使颜色变淡)        // plot.setForegroundAlpha(0.65f);        FileOutputStream fos_jpg = null;        try {            isChartPathExist(CHART_PATH);            String chartName = CHART_PATH + charName;            fos_jpg = new FileOutputStream(chartName);            ChartUtilities.writeChartAsPNG(fos_jpg, chart, 500, 500, true, 10);            return chartName;        } catch (Exception e) {            e.printStackTrace();            return null;        } finally {            try {                fos_jpg.close();            } catch (Exception e) {                e.printStackTrace();            }        }    }}

           

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