jfreechart 绘图

package com.wonders.medic.common.tools; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Font; import java.io.IOException; import java.io.PrintWriter; import java.text.DecimalFormat; import java.text.NumberFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.List; import java.util.Map; import javax.servlet.http.HttpSession; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartRenderingInfo; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.CategoryLabelPositions; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.entity.StandardEntityCollection; import org.jfree.chart.labels.ItemLabelAnchor; import org.jfree.chart.labels.ItemLabelPosition; import org.jfree.chart.labels.StandardCategoryItemLabelGenerator; import org.jfree.chart.labels.StandardCategoryToolTipGenerator; import org.jfree.chart.labels.StandardPieSectionLabelGenerator; import org.jfree.chart.labels.StandardPieToolTipGenerator; import org.jfree.chart.labels.StandardXYItemLabelGenerator; import org.jfree.chart.labels.StandardXYToolTipGenerator; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.CombinedDomainCategoryPlot; import org.jfree.chart.plot.DatasetRenderingOrder; import org.jfree.chart.plot.PiePlot3D; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.BarRenderer3D; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.chart.servlet.ServletUtilities; import org.jfree.chart.title.TextTitle; import org.jfree.chart.urls.StandardCategoryURLGenerator; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.data.general.DefaultPieDataset; 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; import org.jfree.util.Rotation; import org.apache.commons.lang.StringUtils; import com.wonders.medic.base.bo.PatientBaseInfo; import com.wonders.medic.common.GlobalConstants; public class CreateChartManager extends CategoryAxis{ /** * 折线图和柱状图 * @param session * @param pw * @param chartMessage * @return */ public String getBarLineChart(HttpSession session, PrintWriter pw, ChartMessage chartMessage) { String fileName = null; List list=chartMessage.getDataSourceList(); if(list==null||list.size()==0) { return ""; } JFreeChart chart = ChartFactory.createLineChart(chartMessage.getTitleName(), chartMessage.getXTitle(), chartMessage.getYTitle(), (DefaultCategoryDataset)list.get(0), PlotOrientation.VERTICAL, true, true,false); chart.setBackgroundPaint(Color.lightGray);//设置图表背景颜色 CategoryPlot plot = chart.getCategoryPlot(); /*********设置第一条曲线展现形式*****/ LineAndShapeRenderer lineandshape = new LineAndShapeRenderer(); lineandshape.setBaseLinesVisible(true); // 点（即数据点）间有连线可见 lineandshape.setBaseShapesVisible(true); lineandshape.setShape(new java.awt.geom.Ellipse2D.Double(-2, -2, 5,5)); lineandshape.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());// 设置鼠标移上热点显示数据 lineandshape.setStroke(new BasicStroke(1.7f));//设置曲线粗细 // 设置某坐标轴索引上数据集的显示样式 plot.setRenderer(0, lineandshape); /*********设置第二个以柱状图展现形式*****/ DefaultCategoryDataset dataSource = (DefaultCategoryDataset) list.get(1);// 遍历数据源 BarRenderer renderer = new BarRenderer(); plot.setDataset(1, dataSource); renderer.setBaseItemLabelsVisible(true);//设置柱子数据显示出来 renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());//设置柱子数据显示出来 renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());//设置柱子鼠标移上显示数据 renderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.CENTER_LEFT));//设置柱子数据显示位置 renderer.setItemLabelAnchorOffset(9);// 设置数据点位置 renderer.setMaximumBarWidth(0.05);//设置柱子宽度 plot.setRenderer(1, renderer); // 设置两个图的前后顺序 ，DatasetRenderingOrder.FORWARD表示后面的图在前者上面 // ，DatasetRenderingOrder.REVERSE表示 表示后面的图在前者后面 plot.setDatasetRenderingOrder(DatasetRenderingOrder.REVERSE); TextTitle otherTitle = new TextTitle(chartMessage.getOtherTitle());// 设置副标题 chart.addSubtitle(otherTitle);// 设置副标题 plot.setBackgroundPaint(Color.white); // 设置墙体背景颜色 plot.setDomainGridlinesVisible(true); plot.setDomainGridlinePaint(Color.black);// 虚线色彩 y轴 plot.setRangeGridlinesVisible(true); plot.setRangeGridlinePaint(Color.black);// 虚线色彩 x轴 // 对X轴做操作 CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setTickLabelFont(new Font("黑体", Font.PLAIN, 13));// 设置X轴坐标上的文字 domainAxis.setLabelFont(new Font("黑体", Font.PLAIN, 15)); // 设置X轴的标题文字 domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 3.0)); // 设置X轴旋转多少度 domainAxis.setMaximumCategoryLabelWidthRatio(0.2f);// domainAxis.setLowerMargin(0.01);// 设置距离图片左端距离 domainAxis.setUpperMargin(0.01); // 设置距离图片右端距离 // 对Y轴做操作 ValueAxis rAxis = plot.getRangeAxis(); rAxis.setTickLabelFont(new Font("黑体", Font.PLAIN, 13)); // 设置Y轴坐标上的文字 rAxis.setLabelFont(new Font("黑体", Font.PLAIN, 15)); // 设置Y轴的标题文字 rAxis.setUpperMargin(0.25);// 设置最高的一个 Item 与图片顶端的距离 // rAxis.setLowerBound(-5000.00); // 设置y轴最小值 // 设置乱码字体 TextTitle textTitle = chart.getTitle(); // 设置标题字体 textTitle.setFont(new Font("黑体", Font.PLAIN, 25)); chart.getLegend().setItemFont(new Font("黑体", Font.BOLD, 15)); // 图文字体 // 数据轴精度 NumberAxis na = (NumberAxis) plot.getRangeAxis(); na.setAutoRangeIncludesZero(true); plot.setForegroundAlpha(1.0f); // //设置柱的透明度 try { ChartRenderingInfo info = new ChartRenderingInfo( new StandardEntityCollection()); fileName = ServletUtilities.saveChartAsPNG(chart, Integer.parseInt(chartMessage.getWidth()), Integer.parseInt(chartMessage.getHeight()), info, session); ChartUtilities.writeImageMap(pw, fileName, info, false); } catch (IOException e) { e.printStackTrace(); } return fileName; } /*** * 创建平面柱状图 * @param session * @param pw * @param chartMessage * @return */ public String getBarChart(HttpSession session, PrintWriter pw, ChartMessage chartMessage) { String fileName = null; JFreeChart chart = ChartFactory.createBarChart(chartMessage .getTitleName(), chartMessage.getXTitle(), chartMessage .getYTitle(), chartMessage.getDefaultCategoryDataset(), PlotOrientation.VERTICAL, true, true, false); CategoryPlot plot = chart.getCategoryPlot(); // 设置副标题 TextTitle otherTitle = new TextTitle(chartMessage.getOtherTitle()); chart.addSubtitle(otherTitle); chart.setBackgroundPaint(Color.lightGray);//设置图表背景颜色 plot.setBackgroundPaint(Color.white); // 设置墙体背景颜色 plot.setDomainGridlinesVisible(true); plot.setDomainGridlinePaint(Color.black);// 虚线色彩 y轴 plot.setRangeGridlinesVisible(true); plot.setRangeGridlinePaint(Color.black);// 虚线色彩 x轴 plot.setForegroundAlpha(1);//设置柱状图的透明度 // 设置柱子属性 BarRenderer renderer =