小男孩‘自慰网亚洲一区二区,亚洲一级在线播放毛片,亚洲中文字幕av每天更新,黄aⅴ永久免费无码,91成人午夜在线精品,色网站免费在线观看,亚洲欧洲wwwww在线观看

分享

jfreechart形成各種圖

package com.dc.bd.system.util;
 
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;
 
//jar
//jfreechart-1.0.10.jar  (能解決新版本的亂碼問(wèn)題)
//jcommon-1.0.13.jar
 
/** */
/**
 * 實(shí)際取色的時(shí)候一定要16位的,這樣比較準(zhǔn)確
 *
 * @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();
        // 生成餅狀圖
        //pm.makePieChart();
        // 生成單組柱狀圖
        //pm.makeBarChart();
        // 生成多組柱狀圖
        //pm.makeBarGroupChart();
        // 生成堆積柱狀圖
        //pm.makeStackedBarChart();
        // 生成折線圖
        pm.makeLineAndShapeChart();
    }
 
    /** */
    /**
     * 生成折線圖
     */
    public void makeLineAndShapeChart() {
        double[][] data = new double[][] {
                { 672, 766, 223, 540, 126 },
                { 325, 521, 210, 340, 106 },
                { 332, 256, 523, 240, 526 } };
        String[] rowKeys = { "蘋果", "梨子", "葡萄" };
        String[] columnKeys = { "北京", "上海", "廣州", "成都", "深圳" };
        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);
        createTimeXYChar("折線圖", "x軸", "y軸", dataset, "lineAndShap.png");
    }
 
    /** */
    /**
     * 生成分組的柱狀圖
     */
    public void makeBarGroupChart() {
        double[][] data = new double[][] { { 672, 766, 223, 540, 126 },
                { 325, 521, 210, 340, 106 }, { 332, 256, 523, 240, 526 } };
        String[] rowKeys = { "蘋果", "梨子", "葡萄" };
        String[] columnKeys = { "北京", "上海", "廣州", "成都", "深圳" };
        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);
        createBarChart(dataset, "x坐標(biāo)", "y坐標(biāo)", "柱狀圖", "barGroup.png");
    }
 
    /** */
    /**
     * 生成柱狀圖
     */
    public void makeBarChart() {
        double[][] data = new double[][] { { 672, 766, 223, 540, 126 } };
        String[] rowKeys = { "蘋果" };
        String[] columnKeys = { "北京", "上海", "廣州", "成都", "深圳" };
        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);
        createBarChart(dataset, "x坐標(biāo)", "y坐標(biāo)", "柱狀圖", "bar.png");
    }
 
    /** */
    /**
     * 生成堆棧柱狀圖
     */
    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 = { "蘋果", "梨子" };
        String[] columnKeys = { "北京", "上海", "廣州", "成都", "深圳" };
        CategoryDataset dataset = getBarData(data, rowKeys, columnKeys);
        createStackedBarChart(dataset, "x坐標(biāo)", "y坐標(biāo)", "柱狀圖", "stsckedBar.png");
    }
 
    /** */
    /**
     * 生成餅狀圖
     */
    public void makePieChart() {
        double[] data = { 9, 91 };
        String[] keys = { "失敗率", "成功率" };
 
        createValidityComparePimChar(getDataPieSetByUtil(data, keys), "餅狀圖",
                "pie2.png", keys);
    }
 
    // 柱狀圖,折線圖 數(shù)據(jù)集
    public CategoryDataset getBarData(double[][] data, String[] rowKeys,
            String[] columnKeys) {
        return DatasetUtilities
                .createCategoryDataset(rowKeys, columnKeys, data);
 
    }
 
    // 餅狀圖 數(shù)據(jù)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;
    }
 
    /** */
    /**
     * 柱狀圖
     *
     *@param dataset
     *            數(shù)據(jù)集
     * @param xName
     *            x軸的說(shuō)明(如種類,時(shí)間等)
     * @param yName
     *            y軸的說(shuō)明(如速度,時(shí)間等)
     * @param chartTitle
     *            圖標(biāo)題
     * @param charName
     *            生成圖片的名字
     * @return
     */
    public String createBarChart(CategoryDataset dataset, String xName,
            String yName, String chartTitle, String charName) {
        JFreeChart chart = ChartFactory.createBarChart(chartTitle, // 圖表標(biāo)題
                xName, // 目錄軸的顯示標(biāo)簽
                yName, // 數(shù)值軸的顯示標(biāo)簽
                dataset, // 數(shù)據(jù)集
                PlotOrientation.VERTICAL, // 圖表方向:水平、垂直
                true, // 是否顯示圖例(對(duì)于簡(jiǎn)單的柱狀圖必須是false)
                false, // 是否生成工具
                false // 是否生成URL鏈接
                );
        Font labelFont = new Font("SansSerif", Font.TRUETYPE_FONT, 12);
        /**//*
             * VALUE_TEXT_ANTIALIAS_OFF表示將文字的抗鋸齒關(guān)閉,
             * 使用的關(guān)閉抗鋸齒后,字體盡量選擇12到14號(hào)的宋體字,這樣文字最清晰好看
             */
        // 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();
        // 設(shè)置橫虛線可見(jiàn)
        plot.setRangeGridlinesVisible(true);
        // 虛線色彩
        plot.setRangeGridlinePaint(Color.gray);
 
        // 數(shù)據(jù)軸精度
        NumberAxis vn = (NumberAxis) plot.getRangeAxis();
        // vn.setAutoRangeIncludesZero(true);
        DecimalFormat df = new DecimalFormat("#0.00");
        vn.setNumberFormatOverride(df); // 數(shù)據(jù)軸數(shù)據(jù)標(biāo)簽的顯示格式
        // x軸設(shè)置
        CategoryAxis domainAxis = plot.getDomainAxis();
        domainAxis.setLabelFont(labelFont);// 軸標(biāo)題
        domainAxis.setTickLabelFont(labelFont);// 軸數(shù)值
 
        // Lable(Math.PI/3.0)度傾斜
        // domainAxis.setCategoryLabelPositions(CategoryLabelPositions
        // .createUpRotationLabelPositions(Math.PI / 3.0));
 
        domainAxis.setMaximumCategoryLabelWidthRatio(0.6f);// 橫軸上的 Lable 是否完整顯示
 
        // 設(shè)置距離圖片左端距離
        domainAxis.setLowerMargin(0.1);
        // 設(shè)置距離圖片右端距離
        domainAxis.setUpperMargin(0.1);
        // 設(shè)置 columnKey 是否間隔顯示
        // domainAxis.setSkipCategoryLabelsToFit(true);
 
        plot.setDomainAxis(domainAxis);
        // 設(shè)置柱圖背景色(注意,系統(tǒng)取色的時(shí)候要使用16位的模式來(lái)查看顏色編碼,這樣比較準(zhǔn)確)
        plot.setBackgroundPaint(new Color(255, 255, 204));
 
        // y軸設(shè)置
        ValueAxis rangeAxis = plot.getRangeAxis();
        rangeAxis.setLabelFont(labelFont);
        rangeAxis.setTickLabelFont(labelFont);
        // 設(shè)置最高的一個(gè) Item 與圖片頂端的距離
        rangeAxis.setUpperMargin(0.15);
        // 設(shè)置最低的一個(gè) Item 與圖片底端的距離
        rangeAxis.setLowerMargin(0.15);
        plot.setRangeAxis(rangeAxis);
 
        BarRenderer renderer = new BarRenderer();
        // 設(shè)置柱子寬度
        renderer.setMaximumBarWidth(0.05);
        // 設(shè)置柱子高度
        renderer.setMinimumBarLength(0.2);
        // 設(shè)置柱子邊框顏色
        renderer.setBaseOutlinePaint(Color.BLACK);
        // 設(shè)置柱子邊框可見(jiàn)
        renderer.setDrawBarOutline(true);
 
        // // 設(shè)置柱的顏色
        renderer.setSeriesPaint(0, new Color(204, 255, 255));
        renderer.setSeriesPaint(1, new Color(153, 204, 255));
        renderer.setSeriesPaint(2, new Color(51, 204, 204));
 
        // 設(shè)置每個(gè)地區(qū)所包含的平行柱的之間距離
        renderer.setItemMargin(0.0);
 
        // 顯示每個(gè)柱的數(shù)值,并修改該數(shù)值的字體屬性
        renderer.setIncludeBaseInRange(true);
        renderer
                .setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        renderer.setBaseItemLabelsVisible(true);
 
        plot.setRenderer(renderer);
        // 設(shè)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();
            }
        }
    }
 
    /** */
    /**
     * 橫向圖
     *
     * @param dataset
     *            數(shù)據(jù)集
     * @param xName
     *            x軸的說(shuō)明(如種類,時(shí)間等)
     * @param yName
     *            y軸的說(shuō)明(如速度,時(shí)間等)
     * @param chartTitle
     *            圖標(biāo)題
     * @param charName
     *            生成圖片的名字
     * @return
     */
    public String createHorizontalBarChart(CategoryDataset dataset,
            String xName, String yName, String chartTitle, String charName) {
        JFreeChart chart = ChartFactory.createBarChart(chartTitle, // 圖表標(biāo)題
                xName, // 目錄軸的顯示標(biāo)簽
                yName, // 數(shù)值軸的顯示標(biāo)簽
                dataset, // 數(shù)據(jù)集
                PlotOrientation.VERTICAL, // 圖表方向:水平、垂直
                true, // 是否顯示圖例(對(duì)于簡(jiǎn)單的柱狀圖必須是false)
                false, // 是否生成工具
                false // 是否生成URL鏈接
                );
 
        CategoryPlot plot = chart.getCategoryPlot();
        // 數(shù)據(jù)軸精度
        NumberAxis vn = (NumberAxis) plot.getRangeAxis();
        // 設(shè)置刻度必須從0開始
        // vn.setAutoRangeIncludesZero(true);
        DecimalFormat df = new DecimalFormat("#0.00");
        vn.setNumberFormatOverride(df); // 數(shù)據(jù)軸數(shù)據(jù)標(biāo)簽的顯示格式
 
        CategoryAxis domainAxis = plot.getDomainAxis();
 
        domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 橫軸上的
        // Lable
        Font labelFont = new Font("SansSerif", Font.TRUETYPE_FONT, 12);
 
        domainAxis.setLabelFont(labelFont);// 軸標(biāo)題
        domainAxis.setTickLabelFont(labelFont);// 軸數(shù)值
 
        domainAxis.setMaximumCategoryLabelWidthRatio(0.8f);// 橫軸上的 Lable 是否完整顯示
        // domainAxis.setVerticalCategoryLabels(false);
        plot.setDomainAxis(domainAxis);
 
        ValueAxis rangeAxis = plot.getRangeAxis();
        // 設(shè)置最高的一個(gè) Item 與圖片頂端的距離
        rangeAxis.setUpperMargin(0.15);
        // 設(shè)置最低的一個(gè) Item 與圖片底端的距離
        rangeAxis.setLowerMargin(0.15);
        plot.setRangeAxis(rangeAxis);
        BarRenderer renderer = new BarRenderer();
        // 設(shè)置柱子寬度
        renderer.setMaximumBarWidth(0.03);
        // 設(shè)置柱子高度
        renderer.setMinimumBarLength(30);
 
        renderer.setBaseOutlinePaint(Color.BLACK);
 
        // 設(shè)置柱的顏色
        renderer.setSeriesPaint(0, Color.GREEN);
        renderer.setSeriesPaint(1, new Color(0, 0, 255));
        // 設(shè)置每個(gè)地區(qū)所包含的平行柱的之間距離
        renderer.setItemMargin(0.5);
        // 顯示每個(gè)柱的數(shù)值,并修改該數(shù)值的字體屬性
        renderer
                .setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        // 設(shè)置柱的數(shù)值可見(jiàn)
        renderer.setBaseItemLabelsVisible(true);
 
        plot.setRenderer(renderer);
        // 設(shè)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();
            }
        }
    }
 
    /** */
    /**
     * 餅狀圖
     *
     * @param dataset
     *            數(shù)據(jù)集
     * @param chartTitle
     *            圖標(biāo)題
     * @param charName
     *            生成圖的名字
     * @param pieKeys
     *            分餅的名字集
     * @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);
 
        // 使下說(shuō)明標(biāo)簽字體清晰,去鋸齒類似于
        // chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);的效果
        chart.setTextAntiAlias(false);
        // 圖片背景色
        chart.setBackgroundPaint(Color.white);
        // 設(shè)置圖標(biāo)題的字體重新設(shè)置title
        Font font = new Font("隸書", Font.BOLD, 25);
        TextTitle title = new TextTitle(chartTitle);
        title.setFont(font);
        chart.setTitle(title);
 
        PiePlot3D plot = (PiePlot3D) chart.getPlot();
        // 圖片中顯示百分比:默認(rèn)方式
 
        // 指定餅圖輪廓線的顏色
        // plot.setBaseSectionOutlinePaint(Color.BLACK);
        // plot.setBaseSectionPaint(Color.BLACK);
 
        // 設(shè)置無(wú)數(shù)據(jù)時(shí)的信息
        plot.setNoDataMessage("無(wú)對(duì)應(yīng)的數(shù)據(jù),請(qǐng)重新查詢。");
 
        // 設(shè)置無(wú)數(shù)據(jù)時(shí)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(xiàng), {1} 表示數(shù)值, {2} 表示所占比例 ,小數(shù)點(diǎn)后兩位
        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(xiàng), {1} 表示數(shù)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(shè)置第一個(gè) 餅塊section 的開始位置,默認(rèn)是12點(diǎn)鐘方向
        plot.setStartAngle(90);
 
        // // 設(shè)置分餅顏色
        plot.setSectionPaint(pieKeys[0], new Color(244, 194, 144));
        plot.setSectionPaint(pieKeys[1], new Color(144, 233, 144));
 
        FileOutputStream fos_jpg = null;
        try {
            // 文件夾不存在則創(chuàng)建
            isChartPathExist(CHART_PATH);
            String chartName = CHART_PATH + charName;
            fos_jpg = new FileOutputStream(chartName);
            // 高寬的設(shè)置影響橢圓餅圖的形狀
            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();
            }
        }
 
    }
 
    /** */
    /**
     * 判斷文件夾是否存在,如果不存在則新建
     *
     * @param chartPath
     */
    private void isChartPathExist(String chartPath) {
        File file = new File(chartPath);
        if (!file.exists()) {
            file.mkdirs();
            // log.info("CHART_PATH="+CHART_PATH+"create.");
        }
    }
 
    /** */
    /**
     * 折線圖
     *
     * @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);
        // 設(shè)置圖標(biāo)題的字體重新設(shè)置title
        Font font = new Font("隸書", Font.BOLD, 25);
        TextTitle title = new TextTitle(chartTitle);
        title.setFont(font);
        chart.setTitle(title);
        // 設(shè)置面板字體
        Font labelFont = new Font("SansSerif", Font.TRUETYPE_FONT, 12);
 
        chart.setBackgroundPaint(Color.WHITE);
 
        CategoryPlot categoryplot = (CategoryPlot) chart.getPlot();
        // x軸 // 分類軸網(wǎng)格是否可見(jiàn)
        categoryplot.setDomainGridlinesVisible(true);
        // y軸 //數(shù)據(jù)軸網(wǎng)格是否可見(jiàn)
        categoryplot.setRangeGridlinesVisible(true);
 
        categoryplot.setRangeGridlinePaint(Color.WHITE);// 虛線色彩
 
        categoryplot.setDomainGridlinePaint(Color.WHITE);// 虛線色彩
 
        categoryplot.setBackgroundPaint(Color.lightGray);
 
        // 設(shè)置軸和面板之間的距離
        // categoryplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D));
 
        CategoryAxis domainAxis = categoryplot.getDomainAxis();
 
        domainAxis.setLabelFont(labelFont);// 軸標(biāo)題
        domainAxis.setTickLabelFont(labelFont);// 軸數(shù)值
 
        domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 橫軸上的
        // Lable
        // 45度傾斜
        // 設(shè)置距離圖片左端距離
        domainAxis.setLowerMargin(0.0);
        // 設(shè)置距離圖片右端距離
        domainAxis.setUpperMargin(0.0);
 
        NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        numberaxis.setAutoRangeIncludesZero(true);
 
        // 獲得renderer 注意這里是下嗍造型到lineandshaperenderer?。?/code>
        LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer) categoryplot
                .getRenderer();
 
        lineandshaperenderer.setBaseShapesVisible(true); // series 點(diǎn)(即數(shù)據(jù)點(diǎn))可見(jiàn)
        lineandshaperenderer.setBaseLinesVisible(true); // series 點(diǎn)(即數(shù)據(jù)點(diǎn))間有連線可見(jiàn)
 
        // 顯示折點(diǎn)數(shù)據(jù)
        // 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);
 
            // 將報(bào)表保存為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();
            }
        }
    }
 
    /** */
    /**
     * 堆棧柱狀圖
     *
     * @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對(duì)象
        JFreeChart chart = ChartFactory.createStackedBarChart(chartTitle, // 圖表標(biāo)題
                xName, // 目錄軸的顯示標(biāo)簽
                yName, // 數(shù)值軸的顯示標(biāo)簽
                dataset, // 數(shù)據(jù)集
                PlotOrientation.VERTICAL, // 圖表方向:水平、垂直
                true, // 是否顯示圖例(對(duì)于簡(jiǎn)單的柱狀圖必須是false)
                false, // 是否生成工具
                false // 是否生成URL鏈接
                );
        // 圖例字體清晰
        chart.setTextAntiAlias(false);
 
        chart.setBackgroundPaint(Color.WHITE);
 
        // 2 .2 主標(biāo)題對(duì)象 主標(biāo)題對(duì)象是 TextTitle 類型
        chart
                .setTitle(new TextTitle(chartTitle, new Font("隸書", Font.BOLD,
                        25)));
        // 2 .2.1:設(shè)置中文
        // x,y軸坐標(biāo)字體
        Font labelFont = new Font("SansSerif", Font.TRUETYPE_FONT, 12);
 
        // 2 .3 Plot 對(duì)象 Plot 對(duì)象是圖形的繪制結(jié)構(gòu)對(duì)象
        CategoryPlot plot = chart.getCategoryPlot();
 
        // 設(shè)置橫虛線可見(jiàn)
        plot.setRangeGridlinesVisible(true);
        // 虛線色彩
        plot.setRangeGridlinePaint(Color.gray);
 
        // 數(shù)據(jù)軸精度
        NumberAxis vn = (NumberAxis) plot.getRangeAxis();
        // 設(shè)置最大值是1
        vn.setUpperBound(1);
        // 設(shè)置數(shù)據(jù)軸坐標(biāo)從0開始
        // vn.setAutoRangeIncludesZero(true);
        // 數(shù)據(jù)顯示格式是百分比
        DecimalFormat df = new DecimalFormat("0.00%");
        vn.setNumberFormatOverride(df); // 數(shù)據(jù)軸數(shù)據(jù)標(biāo)簽的顯示格式
        // DomainAxis (區(qū)域軸,相當(dāng)于 x 軸), RangeAxis (范圍軸,相當(dāng)于 y 軸)
        CategoryAxis domainAxis = plot.getDomainAxis();
 
        domainAxis.setLabelFont(labelFont);// 軸標(biāo)題
        domainAxis.setTickLabelFont(labelFont);// 軸數(shù)值
 
        // x軸坐標(biāo)太長(zhǎng),建議設(shè)置傾斜,如下兩種方式選其一,兩種效果相同
        // 傾斜(1)橫軸上的 Lable 45度傾斜
        // domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
        // 傾斜(2)Lable(Math.PI 3.0)度傾斜
        // domainAxis.setCategoryLabelPositions(CategoryLabelPositions
        // .createUpRotationLabelPositions(Math.PI / 3.0));
 
        domainAxis.setMaximumCategoryLabelWidthRatio(0.6f);// 橫軸上的 Lable 是否完整顯示
 
        plot.setDomainAxis(domainAxis);
 
        // y軸設(shè)置
        ValueAxis rangeAxis = plot.getRangeAxis();
        rangeAxis.setLabelFont(labelFont);
        rangeAxis.setTickLabelFont(labelFont);
        // 設(shè)置最高的一個(gè) Item 與圖片頂端的距離
        rangeAxis.setUpperMargin(0.15);
        // 設(shè)置最低的一個(gè) Item 與圖片底端的距離
        rangeAxis.setLowerMargin(0.15);
        plot.setRangeAxis(rangeAxis);
 
        // Renderer 對(duì)象是圖形的繪制單元
        StackedBarRenderer renderer = new StackedBarRenderer();
        // 設(shè)置柱子寬度
        renderer.setMaximumBarWidth(0.05);
        // 設(shè)置柱子高度
        renderer.setMinimumBarLength(0.1);
        // 設(shè)置柱的邊框顏色
        renderer.setBaseOutlinePaint(Color.BLACK);
        // 設(shè)置柱的邊框可見(jiàn)
        renderer.setDrawBarOutline(true);
 
        // // 設(shè)置柱的顏色(可設(shè)定也可默認(rèn))
        renderer.setSeriesPaint(0, new Color(204, 255, 204));
        renderer.setSeriesPaint(1, new Color(255, 204, 153));
 
        // 設(shè)置每個(gè)地區(qū)所包含的平行柱的之間距離
        renderer.setItemMargin(0.4);
 
        plot.setRenderer(renderer);
        // 設(shè)置柱的透明度(如果是3D的必須設(shè)置才能達(dá)到立體效果,如果是2D的設(shè)置則使顏色變淡)
        // 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();
            }
        }
    }
}

    本站是提供個(gè)人知識(shí)管理的網(wǎng)絡(luò)存儲(chǔ)空間,所有內(nèi)容均由用戶發(fā)布,不代表本站觀點(diǎn)。請(qǐng)注意甄別內(nèi)容中的聯(lián)系方式、誘導(dǎo)購(gòu)買等信息,謹(jǐn)防詐騙。如發(fā)現(xiàn)有害或侵權(quán)內(nèi)容,請(qǐng)點(diǎn)擊一鍵舉報(bào)。
    轉(zhuǎn)藏 分享 獻(xiàn)花(0

    0條評(píng)論

    發(fā)表

    請(qǐng)遵守用戶 評(píng)論公約

    類似文章 更多