Jfreechart

来源：互联网发布：淘宝特卖品牌女装编辑：程序博客网时间：2024/06/05 23:04

转载： http://www.oschina.net/code/snippet_855019_36505

摘要包括JfreeChart 中文API, JfreeChart开发中需要注意的问题, JfreeChart美化,使用JfreeChart创建柱状图,折线图,饼图,堆积柱状图,时间序列图,二维Y轴坐标图

Jfreechart chart 图表

目录[-]

美化后,Jfreechart图形效果展示:

要想绘制出漂亮的图表，就必须了解图表的构成部分，将图表进行分解成N个部分。
然后再对每一个部分进行渲染，设置样式：包括背景色、轮廓线条样式和颜色、填充颜色、字体大小、样式、颜色。
同时，需要确保在整个项目中，图表的样式风格整体统一。

统一,和谐才能打造漂亮、干净、专业的外观.

使用JfreeChart创建柱状图,折线图,饼图,堆积柱状图,时间序列图,二维Y轴坐标图.自己把自己整理的所有笔记和代码全都分享出来,希望大家在做图表的时候,不至于因为JfreeChart丑就不采用,学习Swing需要想象力....

代码太多了,项目代码地址:http://www.oschina.net/code/snippet_855019_36505

Jfreechart API详解和开发中大家所经常遇到的问题博客地址：http://my.oschina.net/abian/blog/278465

其他问题随时@我因为马上就不做Swing了，所以自己还是为Swing留一点东西把

来一张最原始的Jfreechart图形吧!这界面,就和Swing一样,把大家都下跑啦!太丑陋不堪了,哈哈 !

但是呢,只要你肯下功夫,不要被第一感觉所欺骗!你看到的,不一定是真实的,只是因为我们都太懒!

最原始的图表属性拆解图:

美化后,Jfreechart图形效果展示:

柱状图界面:

代码:这是我封装的工具类,然后绘制图表就非常简单了,而且美观专业!

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packageutil;
 
importjava.awt.BasicStroke;
importjava.awt.Color;
importjava.awt.Font;
importjava.awt.Paint;
importjava.awt.Rectangle;
importjava.text.DecimalFormat;
importjava.text.NumberFormat;
importjava.text.ParseException;
importjava.text.SimpleDateFormat;
importjava.util.Date;
importjava.util.Vector;
 
importorg.jfree.chart.ChartFactory;
importorg.jfree.chart.JFreeChart;
importorg.jfree.chart.StandardChartTheme;
importorg.jfree.chart.axis.DateAxis;
importorg.jfree.chart.axis.DateTickUnit;
importorg.jfree.chart.axis.DateTickUnitType;
importorg.jfree.chart.axis.ValueAxis;
importorg.jfree.chart.block.BlockBorder;
importorg.jfree.chart.labels.ItemLabelAnchor;
importorg.jfree.chart.labels.ItemLabelPosition;
importorg.jfree.chart.labels.StandardCategoryItemLabelGenerator;
importorg.jfree.chart.labels.StandardPieSectionLabelGenerator;
importorg.jfree.chart.labels.StandardXYItemLabelGenerator;
importorg.jfree.chart.labels.StandardXYToolTipGenerator;
importorg.jfree.chart.plot.CategoryPlot;
importorg.jfree.chart.plot.DefaultDrawingSupplier;
importorg.jfree.chart.plot.PieLabelLinkStyle;
importorg.jfree.chart.plot.PiePlot;
importorg.jfree.chart.plot.Plot;
importorg.jfree.chart.plot.XYPlot;
importorg.jfree.chart.renderer.category.BarRenderer;
importorg.jfree.chart.renderer.category.LineAndShapeRenderer;
importorg.jfree.chart.renderer.category.StackedBarRenderer;
importorg.jfree.chart.renderer.category.StandardBarPainter;
importorg.jfree.chart.renderer.xy.StandardXYBarPainter;
importorg.jfree.chart.renderer.xy.XYBarRenderer;
importorg.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
importorg.jfree.data.category.DefaultCategoryDataset;
importorg.jfree.data.general.DefaultPieDataset;
importorg.jfree.data.time.Day;
importorg.jfree.data.time.TimeSeries;
importorg.jfree.ui.RectangleInsets;
importorg.jfree.ui.TextAnchor;
 
/**
 * Jfreechart工具类
 * <p>
 * 解决中午乱码问题<br>
 * 用来创建类别图表数据集、创建饼图数据集、时间序列图数据集<br>
 * 用来对柱状图、折线图、饼图、堆积柱状图、时间序列图的样式进行渲染<br>
 * 设置X-Y坐标轴样式
 * <p>
 *
 *
 * @author chenchangwen
 * @since:2014-2-18
 *
 */
publicclass ChartUtils {
    privatestatic String NO_DATA_MSG = "数据加载失败";
    privatestatic Font FONT = newFont("宋体", Font.PLAIN, 12);
    publicstatic Color[] CHART_COLORS = {
            newColor(31,129,188),newColor(92,92,97),newColor(144,237,125),newColor(255,188,117),
            newColor(153,158,255),newColor(255,117,153),newColor(253,236,109),newColor(128,133,232),
            newColor(158,90,102),newColor(255,204,102) };// 颜色
 
    static{
        setChartTheme();
    }
 
    publicChartUtils() {
    }
 
    /**
     * 中文主题样式 解决乱码
     */
    publicstatic void setChartTheme() {
        // 设置中文主题样式 解决乱码
        StandardChartTheme chartTheme = newStandardChartTheme("CN");
        // 设置标题字体
        chartTheme.setExtraLargeFont(FONT);
        // 设置图例的字体
        chartTheme.setRegularFont(FONT);
        // 设置轴向的字体
        chartTheme.setLargeFont(FONT);
        chartTheme.setSmallFont(FONT);
        chartTheme.setTitlePaint(newColor(51,51,51));
        chartTheme.setSubtitlePaint(newColor(85,85,85));
 
        chartTheme.setLegendBackgroundPaint(Color.WHITE);// 设置标注
        chartTheme.setLegendItemPaint(Color.BLACK);//
        chartTheme.setChartBackgroundPaint(Color.WHITE);
        // 绘制颜色绘制颜色.轮廓供应商
        // paintSequence,outlinePaintSequence,strokeSequence,outlineStrokeSequence,shapeSequence
 
        Paint[] OUTLINE_PAINT_SEQUENCE = newPaint[] { Color.WHITE };
        // 绘制器颜色源
        DefaultDrawingSupplier drawingSupplier = newDefaultDrawingSupplier(CHART_COLORS, CHART_COLORS, OUTLINE_PAINT_SEQUENCE,
                DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE,
                DefaultDrawingSupplier.DEFAULT_SHAPE_SEQUENCE);
        chartTheme.setDrawingSupplier(drawingSupplier);
 
        chartTheme.setPlotBackgroundPaint(Color.WHITE);// 绘制区域
        chartTheme.setPlotOutlinePaint(Color.WHITE);// 绘制区域外边框
        chartTheme.setLabelLinkPaint(newColor(8,55,114));// 链接标签颜色
        chartTheme.setLabelLinkStyle(PieLabelLinkStyle.CUBIC_CURVE);
 
        chartTheme.setAxisOffset(newRectangleInsets(5,12,5,12));
        chartTheme.setDomainGridlinePaint(newColor(192,208,224));// X坐标轴垂直网格颜色
        chartTheme.setRangeGridlinePaint(newColor(192,192,192));// Y坐标轴水平网格颜色
 
        chartTheme.setBaselinePaint(Color.WHITE);
        chartTheme.setCrosshairPaint(Color.BLUE);// 不确定含义
        chartTheme.setAxisLabelPaint(newColor(51,51,51));// 坐标轴标题文字颜色
        chartTheme.setTickLabelPaint(newColor(67,67,72));// 刻度数字
        chartTheme.setBarPainter(newStandardBarPainter());// 设置柱状图渲染
        chartTheme.setXYBarPainter(newStandardXYBarPainter());// XYBar 渲染
 
        chartTheme.setItemLabelPaint(Color.black);
        chartTheme.setThermometerPaint(Color.white);// 温度计
 
        ChartFactory.setChartTheme(chartTheme);
    }
 
    /**
     * 必须设置文本抗锯齿
     */
    publicstatic void setAntiAlias(JFreeChart chart) {
        chart.setTextAntiAlias(false);
 
    }
 
    /**
     * 设置图例无边框，默认黑色边框
     */
    publicstatic void setLegendEmptyBorder(JFreeChart chart) {
        chart.getLegend().setFrame(newBlockBorder(Color.WHITE));
 
    }
 
    /**
     * 创建类别数据集合
     */
    publicstatic DefaultCategoryDataset createDefaultCategoryDataset(Vector<Serie> series, String[] categories) {
        DefaultCategoryDataset dataset = newDefaultCategoryDataset();
 
        for(Serie serie : series) {
            String name = serie.getName();
            Vector<Object> data = serie.getData();
            if(data != null&& categories != null&& data.size() == categories.length) {
                for(intindex = 0; index < data.size(); index++) {
                    String value = data.get(index) == null? "": data.get(index).toString();
                    if(isPercent(value)) {
                        value = value.substring(0, value.length() - 1);
                    }
                    if(isNumber(value)) {
                        dataset.setValue(Double.parseDouble(value), name, categories[index]);
                    }
                }
            }
 
        }
        returndataset;
 
    }
 
    /**
     * 创建饼图数据集合
     */
    publicstatic DefaultPieDataset createDefaultPieDataset(String[] categories, Object[] datas) {
        DefaultPieDataset dataset = newDefaultPieDataset();
        for(inti = 0; i < categories.length && categories != null; i++) {
            String value = datas[i].toString();
            if(isPercent(value)) {
                value = value.substring(0, value.length() - 1);
            }
            if(isNumber(value)) {
                dataset.setValue(categories[i], Double.valueOf(value));
            }
        }
        returndataset;
 
    }
 
    /**
     * 创建时间序列数据
     *
     * @param category
     *            类别
     * @param dateValues
     *            日期-值 数组
     * @param xAxisTitle
     *            X坐标轴标题
     * @return
     */
    publicstatic TimeSeries createTimeseries(String category, Vector<Object[]> dateValues) {
        TimeSeries timeseries = newTimeSeries(category);
 
        if(dateValues != null) {
            SimpleDateFormat dateFormat = newSimpleDateFormat("yyyy-MM-dd");
            for(Object[] objects : dateValues) {
                Date date = null;
                try{
                    date = dateFormat.parse(objects[0].toString());
                }catch(ParseException e) {
                }
                String sValue = objects[1].toString();
                doubledValue = 0;
                if(date != null&& isNumber(sValue)) {
                    dValue = Double.parseDouble(sValue);
                    timeseries.add(newDay(date), dValue);
                }
            }
        }
 
        returntimeseries;
    }
 
    /**
     * 设置 折线图样式
     *
     * @param plot
     * @param isShowDataLabels
     *            是否显示数据标签 默认不显示节点形状
     */
    publicstatic void setLineRender(CategoryPlot plot, booleanisShowDataLabels) {
        setLineRender(plot, isShowDataLabels, false);
    }
 
    /**
     * 设置折线图样式
     *
     * @param plot
     * @param isShowDataLabels
     *            是否显示数据标签
     */
    publicstatic void setLineRender(CategoryPlot plot, booleanisShowDataLabels, booleanisShapesVisible) {
        plot.setNoDataMessage(NO_DATA_MSG);
        plot.setInsets(newRectangleInsets(10,10,0,10),false);
        LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
 
        renderer.setStroke(newBasicStroke(1.5F));
        if(isShowDataLabels) {
            renderer.setBaseItemLabelsVisible(true);
            renderer.setBaseItemLabelGenerator(newStandardCategoryItemLabelGenerator(StandardCategoryItemLabelGenerator.DEFAULT_LABEL_FORMAT_STRING,
                    NumberFormat.getInstance()));
            renderer.setBasePositiveItemLabelPosition(newItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BOTTOM_CENTER));// weizhi
        }
        renderer.setBaseShapesVisible(isShapesVisible);// 数据点绘制形状
        setXAixs(plot);
        setYAixs(plot);
 
    }
 
    /**
     * 设置时间序列图样式
     *
     * @param plot
     * @param isShowData
     *            是否显示数据
     * @param isShapesVisible
     *            是否显示数据节点形状
     */
    publicstatic void setTimeSeriesRender(Plot plot, booleanisShowData, booleanisShapesVisible) {
 
        XYPlot xyplot = (XYPlot) plot;
        xyplot.setNoDataMessage(NO_DATA_MSG);
        xyplot.setInsets(newRectangleInsets(10,10,5,10));
 
        XYLineAndShapeRenderer xyRenderer = (XYLineAndShapeRenderer) xyplot.getRenderer();
 
        xyRenderer.setBaseItemLabelGenerator(newStandardXYItemLabelGenerator());
        xyRenderer.setBaseShapesVisible(false);
        if(isShowData) {
            xyRenderer.setBaseItemLabelsVisible(true);
            xyRenderer.setBaseItemLabelGenerator(newStandardXYItemLabelGenerator());
            xyRenderer.setBasePositiveItemLabelPosition(newItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BOTTOM_CENTER));// weizhi
        }
        xyRenderer.setBaseShapesVisible(isShapesVisible);// 数据点绘制形状
 
        DateAxis domainAxis = (DateAxis) xyplot.getDomainAxis();
        domainAxis.setAutoTickUnitSelection(false);
        DateTickUnit dateTickUnit = newDateTickUnit(DateTickUnitType.YEAR, 1,newSimpleDateFormat("yyyy-MM"));// 第二个参数是时间轴间距
        domainAxis.setTickUnit(dateTickUnit);
 
        StandardXYToolTipGenerator xyTooltipGenerator = newStandardXYToolTipGenerator("{1}:{2}",newSimpleDateFormat("yyyy-MM-dd"),newDecimalFormat("0"));
        xyRenderer.setBaseToolTipGenerator(xyTooltipGenerator);
 
        setXY_XAixs(xyplot);
        setXY_YAixs(xyplot);
 
    }
 
    /**
     * 设置时间序列图样式 -默认不显示数据节点形状
     *
     * @param plot
     * @param isShowData
     *            是否显示数据
     */
 
    publicstatic void setTimeSeriesRender(Plot plot, booleanisShowData) {
        setTimeSeriesRender(plot, isShowData, false);
    }
 
    /**
     * 设置时间序列图渲染：但是存在一个问题：如果timeseries里面的日期是按照天组织， 那么柱子的宽度会非常小，和直线一样粗细
     *
     * @param plot
     * @param isShowDataLabels
     */
 
    publicstatic void setTimeSeriesBarRender(Plot plot, booleanisShowDataLabels) {
 
        XYPlot xyplot = (XYPlot) plot;
        xyplot.setNoDataMessage(NO_DATA_MSG);
 
        XYBarRenderer xyRenderer = newXYBarRenderer(0.1D);
        xyRenderer.setBaseItemLabelGenerator(newStandardXYItemLabelGenerator());
 
        if(isShowDataLabels) {
            xyRenderer.setBaseItemLabelsVisible(true);
            xyRenderer.setBaseItemLabelGenerator(newStandardXYItemLabelGenerator());
        }
 
        StandardXYToolTipGenerator xyTooltipGenerator = newStandardXYToolTipGenerator("{1}:{2}",newSimpleDateFormat("yyyy-MM-dd"),newDecimalFormat("0"));
        xyRenderer.setBaseToolTipGenerator(xyTooltipGenerator);
        setXY_XAixs(xyplot);
        setXY_YAixs(xyplot);
 
    }
 
    /**
     * 设置柱状图渲染
     *
     * @param plot
     * @param isShowDataLabels
     */
    publicstatic void setBarRenderer(CategoryPlot plot, booleanisShowDataLabels) {
 
        plot.setNoDataMessage(NO_DATA_MSG);
        plot.setInsets(newRectangleInsets(10,10,5,10));
        BarRenderer renderer = (BarRenderer) plot.getRenderer();
        renderer.setBaseItemLabelGenerator(newStandardCategoryItemLabelGenerator());
        renderer.setMaximumBarWidth(0.075);// 设置柱子最大宽度
 
        if(isShowDataLabels) {
            renderer.setBaseItemLabelsVisible(true);
        }
 
        setXAixs(plot);
        setYAixs(plot);
    }
 
    /**
     * 设置堆积柱状图渲染
     *
     * @param plot
     */
 
    publicstatic void setStackBarRender(CategoryPlot plot) {
        plot.setNoDataMessage(NO_DATA_MSG);
        plot.setInsets(newRectangleInsets(10,10,5,10));
        StackedBarRenderer renderer = (StackedBarRenderer) plot.getRenderer();
        renderer.setBaseItemLabelGenerator(newStandardCategoryItemLabelGenerator());
        plot.setRenderer(renderer);
        setXAixs(plot);
        setYAixs(plot);
    }
 
    /**
     * 设置类别图表(CategoryPlot) X坐标轴线条颜色和样式
     *
     * @param axis
     */
    publicstatic void setXAixs(CategoryPlot plot) {
        Color lineColor = newColor(31,121,170);
        plot.getDomainAxis().setAxisLinePaint(lineColor);// X坐标轴颜色
        plot.getDomainAxis().setTickMarkPaint(lineColor);// X坐标轴标记|竖线颜色
 
    }
 
    /**
     * 设置类别图表(CategoryPlot) Y坐标轴线条颜色和样式 同时防止数据无法显示
     *
     * @param axis
     */
    publicstatic void setYAixs(CategoryPlot plot) {
        Color lineColor = newColor(192,208,224);
        ValueAxis axis = plot.getRangeAxis();
        axis.setAxisLinePaint(lineColor);// Y坐标轴颜色
        axis.setTickMarkPaint(lineColor);// Y坐标轴标记|竖线颜色
        // 隐藏Y刻度
        axis.setAxisLineVisible(false);
        axis.setTickMarksVisible(false);
        // Y轴网格线条
        plot.setRangeGridlinePaint(newColor(192,192,192));
        plot.setRangeGridlineStroke(newBasicStroke(1));
 
        plot.getRangeAxis().setUpperMargin(0.1);// 设置顶部Y坐标轴间距,防止数据无法显示
        plot.getRangeAxis().setLowerMargin(0.1);// 设置底部Y坐标轴间距
 
    }
 
    /**
     * 设置XY图表(XYPlot) X坐标轴线条颜色和样式
     *
     * @param axis
     */
    publicstatic void setXY_XAixs(XYPlot plot) {
        Color lineColor = newColor(31,121,170);
        plot.getDomainAxis().setAxisLinePaint(lineColor);// X坐标轴颜色
        plot.getDomainAxis().setTickMarkPaint(lineColor);// X坐标轴标记|竖线颜色
 
    }
 
    /**
     * 设置XY图表(XYPlot) Y坐标轴线条颜色和样式 同时防止数据无法显示
     *
     * @param axis
     */
    publicstatic void setXY_YAixs(XYPlot plot) {
        Color lineColor = newColor(192,208,224);
        ValueAxis axis = plot.getRangeAxis();
        axis.setAxisLinePaint(lineColor);// X坐标轴颜色
        axis.setTickMarkPaint(lineColor);// X坐标轴标记|竖线颜色
        // 隐藏Y刻度
        axis.setAxisLineVisible(false);
        axis.setTickMarksVisible(false);
        // Y轴网格线条
        plot.setRangeGridlinePaint(newColor(192,192,192));
        plot.setRangeGridlineStroke(newBasicStroke(1));
        plot.setDomainGridlinesVisible(false);
 
        plot.getRangeAxis().setUpperMargin(0.12);// 设置顶部Y坐标轴间距,防止数据无法显示
        plot.getRangeAxis().setLowerMargin(0.12);// 设置底部Y坐标轴间距
 
    }
 
    /**
     * 设置饼状图渲染
     */
    publicstatic void setPieRender(Plot plot) {
 
        plot.setNoDataMessage(NO_DATA_MSG);
        plot.setInsets(newRectangleInsets(10,10,5,10));
        PiePlot piePlot = (PiePlot) plot;
        piePlot.setInsets(newRectangleInsets(0,0,0,0));
        piePlot.setCircular(true);// 圆形
 
        // piePlot.setSimpleLabels(true);// 简单标签
        piePlot.setLabelGap(0.01);
        piePlot.setInteriorGap(0.05D);
        piePlot.setLegendItemShape(newRectangle(10,10));// 图例形状
        piePlot.setIgnoreNullValues(true);
        piePlot.setLabelBackgroundPaint(null);// 去掉背景色
        piePlot.setLabelShadowPaint(null);// 去掉阴影
        piePlot.setLabelOutlinePaint(null);// 去掉边框
        piePlot.setShadowPaint(null);
        // 0:category 1:value:2 :percentage
        piePlot.setLabelGenerator(newStandardPieSectionLabelGenerator("{0}:{2}"));// 显示标签数据
    }
 
    /**
     * 是不是一个%形式的百分比
     *
     * @param str
     * @return
     */
    publicstatic boolean isPercent(String str) {
        returnstr != null? str.endsWith("%") && isNumber(str.substring(0, str.length() - 1)) : false;
    }
 
    /**
     * 是不是一个数字
     *
     * @param str
     * @return
     */
    publicstatic boolean isNumber(String str) {
        returnstr != null? str.matches("^[-+]?(([0-9]+)((([.]{0})([0-9]*))|(([.]{1})([0-9]+))))$") : false;
    }
 
}

Serie

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packageutil;
 
importjava.io.Serializable;
importjava.util.Vector;
 
/**
 * 系列:名字和数据集合 构成一条曲线</br> 可以将serie看作一根线或者一根柱子：
 *
 * <p>
 * 参照JS图表来描述数据：</br> series: [{ name: 'Tokyo', data: [7.0, 6.9, 9.5, 14.5]
 * },</br> { name: 'New York', data: [-0.2, 0.8, 5.7, 11.3} ]</br>
 * </p>
 *
 * @author ccw
 * @date 2014-6-4
 */
publicclass Serie implementsSerializable {
 
    privatestatic final long serialVersionUID = 1L;
    privateString name;// 名字
    privateVector<Object> data;// 数据值
 
    publicSerie() {
 
    }
 
    /**
     *
     * @param name
     *            名称（线条名称）
     * @param data
     *            数据（线条上的所有数据值）
     */
    publicSerie(String name, Vector<Object> data) {
 
        this.name = name;
        this.data = data;
    }
 
    /**
     *
     * @param name
     *            名称（线条名称）
     * @param array
     *            数据（线条上的所有数据值）
     */
    publicSerie(String name, Object[] array) {
        this.name = name;
        if(array != null) {
            data = newVector<Object>(array.length);
            for(inti = 0; i < array.length; i++) {
                data.add(array[i]);
            }
        }
    }
 
    publicString getName() {
        returnname;
    }
 
    publicvoid setName(String name) {
        this.name = name;
    }
 
    publicVector<Object> getData() {
        returndata;
    }
 
    publicvoid setData(Vector<Object> data) {
        this.data = data;
    }
 
}

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在来看看Highchart图表,对比一下,有木有觉得很像啊!

有木有觉得swing和Java2D很强大啊,学好swing,需要想象力!

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