JFreeChart开发web报表--
?
?前期准备工作，以及页面调用可以参考JFreeChart开发--饼状 图(1)
这里只有参考图和后台代码
对应代码
一般的柱状图
package chart;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import java.io.PrintWriter;
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.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
public class Barchart2D {
??? private static CategoryDataset createDataset() {
??? ??? String s = "生源省份";//这个就是用于说明图形颜色表的的是什么意思
??? ??? String s1 = "北京";
??? ??? String s2 = "天津";
??? ??? String s3 = "河北";
??? ??? String s4 = "安徽";
??? ??? String s5 = "辽宁";
??? ??? String s6 = "河南";
??? ??? String s7 = "山东";
??? ??? DefaultCategoryDataset defaultCategoryDataset = new DefaultCategoryDataset();
??? ??? defaultCategoryDataset.addValue(2000, s, s1);
??? ??? defaultCategoryDataset.addValue(600, s, s2);
??? ??? defaultCategoryDataset.addValue(1200, s, s3);
??? ??? defaultCategoryDataset.addValue(579, s, s4);
??? ??? defaultCategoryDataset.addValue(347, s, s5);
??? ??? defaultCategoryDataset.addValue(468, s, s6);
??? ??? defaultCategoryDataset.addValue(2000, s, s7);
??? ??? return defaultCategoryDataset;
??? }
??? private static JFreeChart createChart(CategoryDataset categorydataset) {
??? ??? String name = "学校生源统计柱状图";
??? ??? String x_name = "省份";
??? ??? String y_name = "数量";
??? ??? System.out.println("name=" + name);
??? ??? System.out.println("x_name=" + x_name);
??? ??? JFreeChart jfreechart = ChartFactory.createBarChart(name, x_name,
??? ??? ??? ??? y_name, categorydataset, PlotOrientation.VERTICAL, true, true,
??? ??? ??? ??? false);
??? ??? jfreechart.setBackgroundPaint(Color.white);//Color 是paint类型的对象
??? ??? CategoryPlot categoryplot = jfreechart.getCategoryPlot();
??? ???
??? ??? NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
??? ??? CategoryAxis domainAxis = categoryplot.getDomainAxis();
??? ??? //定义字体格式?
??? ??? Font font = new Font("微软雅黑", Font.CENTER_BASELINE, 12);
??? ??? TextTitle title = new TextTitle("Liguokun 李国坤2D图");
??? ??? //设置标题的格式?
??? ??? title.setFont(font);
??? ??? //把标题设置到图片里面?
??? ??? jfreechart.setTitle(title);
??? ???
??? ??? domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));
??? ???
??? ??? domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));
??? ???
??? ??? jfreechart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? categoryplot.setDomainGridlinePaint(Color.white);
??? ??? categoryplot.setDomainGridlinesVisible(true);
??? ??? categoryplot.setDomainGridlinePaint(Color.blue);
??? ??? //下面用来让柱图更加好看
??? ??? BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
??? ??? barrenderer.setDrawBarOutline(true);
??? ??? barrenderer.setOutlinePaint(Color.black);//加了个黑边，
??? ??? barrenderer.setMaximumBarWidth(0.05);
??? ??? barrenderer.setSeriesFillPaint(0, Color.blue);
??? ??? return jfreechart;
??? }
??? public static String generateBarChart(HttpSession session, PrintWriter pw) {
??? ??? String filename = "";
??? ??? CategoryDataset categorydataset = createDataset();//在类里可以调用私有的成员啊
??? ??? JFreeChart jfreechart = createChart(categorydataset);
??? ??? ChartRenderingInfo info = new ChartRenderingInfo(
??? ??? ??? ??? new StandardEntityCollection());
??? ??? try {
??? ??? ??? filename = ServletUtilities.saveChartAsPNG(jfreechart, 500, 300,
??? ??? ??? ??? ??? info, session);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? try {
??? ??? ??? ChartUtilities.writeImageMap(pw, filename, info, false);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? pw.flush();
??? ??? return filename;
??? }
}
三维的柱状图
package chart;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import java.io.PrintWriter;
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.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
public class Barchart3D {
??? private static CategoryDataset createDataset() {
??? ??? String s = "生源省份";//这个就是用于说明图形颜色表的的是什么意思
??? ??? String s1 = "北京";
??? ??? String s2 = "天津";
??? ??? String s3 = "河北";
??? ??? String s4 = "安徽";
??? ??? String s5 = "辽宁";
??? ??? String s6 = "河南";
??? ??? String s7 = "山东";
??? ??? DefaultCategoryDataset defaultCategoryDataset = new DefaultCategoryDataset();
??? ??? defaultCategoryDataset.addValue(2000, s, s1);
??? ??? defaultCategoryDataset.addValue(600, s, s2);
??? ??? defaultCategoryDataset.addValue(1200, s, s3);
??? ??? defaultCategoryDataset.addValue(579, s, s4);
??? ??? defaultCategoryDataset.addValue(347, s, s5);
??? ??? defaultCategoryDataset.addValue(468, s, s6);
??? ??? defaultCategoryDataset.addValue(2000, s, s7);
??? ??? return defaultCategoryDataset;
??? }
??? private static JFreeChart createChart(CategoryDataset categorydataset) {
??? ??? String name = "学校生源统计柱状图";
??? ??? String x_name = "省份";
??? ??? String y_name = "数量";
??? ??? System.out.println("name=" + name);
??? ??? System.out.println("x_name=" + x_name);
??? ??? //createBarChart3D()只要把这个函数改为3D就可以实现三维效果了，这是与2D惟一的不同之处
??? ??? JFreeChart jfreechart = ChartFactory.createBarChart3D(name, x_name,
??? ??? ??? ??? y_name, categorydataset, PlotOrientation.VERTICAL, true, true,
??? ??? ??? ??? false);
??? ??? jfreechart.setBackgroundPaint(Color.white);//Color 是paint类型的对象
??? ??? CategoryPlot categoryplot = jfreechart.getCategoryPlot();
??? ???
??? ??? NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
??? ??? CategoryAxis domainAxis = categoryplot.getDomainAxis();
??? ??? //定义字体格式?
??? ??? Font font = new Font("微软雅黑", Font.CENTER_BASELINE, 12);
??? ??? TextTitle title = new TextTitle("Liguokun 李国坤3D图");
??? ??? //设置标题的格式?
??? ??? title.setFont(font);
??? ??? //把标题设置到图片里面?
??? ??? jfreechart.setTitle(title);
??? ???
??? ??? domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));
??? ???
??? ??? domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));
??? ???
??? ??? jfreechart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? categoryplot.setDomainGridlinePaint(Color.white);
??? ??? categoryplot.setDomainGridlinesVisible(true);
??? ??? categoryplot.setDomainGridlinePaint(Color.BLUE);
??? ??? //??? ??? 下面用来让柱图更加好看
??? ??? BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
??? ??? barrenderer.setDrawBarOutline(true);
??? ??? barrenderer.setOutlinePaint(Color.black);//加了个黑边，
??? ??? barrenderer.setMaximumBarWidth(0.05);
??? ??? barrenderer.setSeriesFillPaint(0, Color.blue);
??? ??? return jfreechart;
??? }
??? public static String generateBarChart(HttpSession session, PrintWriter pw) {
??? ??? String filename = "";
??? ??? CategoryDataset categorydataset = createDataset();//在类里可以调用私有的成员啊
??? ??? JFreeChart jfreechart = createChart(categorydataset);
??? ??? ChartRenderingInfo info = new ChartRenderingInfo(
??? ??? ??? ??? new StandardEntityCollection());
??? ??? try {
??? ??? ??? filename = ServletUtilities.saveChartAsPNG(jfreechart, 500, 300,
??? ??? ??? ??? ??? info, session);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? try {
??? ??? ??? ChartUtilities.writeImageMap(pw, filename, info, false);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? pw.flush();
??? ??? return filename;
??? }
}
竖的柱状图
package chart;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import java.io.PrintWriter;
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.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
public class Barchart2DHorizontal {
??? private static CategoryDataset createDataset() {
??? ??? String s = "生源省份";//这个就是用于说明图形颜色表的的是什么意思
??? ??? String s1 = "北京";
??? ??? String s2 = "天津";
??? ??? String s3 = "河北";
??? ??? String s4 = "安徽";
??? ??? String s5 = "辽宁";
??? ??? String s6 = "河南";
??? ??? String s7 = "山东";
??? ??? DefaultCategoryDataset defaultCategoryDataset = new DefaultCategoryDataset();
??? ??? defaultCategoryDataset.addValue(2000, s, s1);
??? ??? defaultCategoryDataset.addValue(600, s, s2);
??? ??? defaultCategoryDataset.addValue(1200, s, s3);
??? ??? defaultCategoryDataset.addValue(579, s, s4);
??? ??? defaultCategoryDataset.addValue(347, s, s5);
??? ??? defaultCategoryDataset.addValue(468, s, s6);
??? ??? defaultCategoryDataset.addValue(2000, s, s7);
??? ??? return defaultCategoryDataset;
??? }
??? private static JFreeChart createChart(CategoryDataset categorydataset) {
??? ??? String name = "学校生源统计柱状图";
??? ??? String x_name = "省份";
??? ??? String y_name = "数量";
??? ??? System.out.println("name=" + name);
??? ??? System.out.println("x_name=" + x_name);
??? ??? //竖的变横七竖八的，只要改一个地方PlotOrientation.HORIZONTAL，PlotOrientation.VERTICAL
??? ??? JFreeChart jfreechart = ChartFactory.createBarChart(name, x_name,
??? ??? ??? ??? y_name, categorydataset, PlotOrientation.HORIZONTAL, true,
??? ??? ??? ??? true, false);
??? ??? jfreechart.setBackgroundPaint(Color.white);//Color 是paint类型的对象
??? ??? CategoryPlot categoryplot = jfreechart.getCategoryPlot();
??? ???
??? ??? NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
??? ??? CategoryAxis domainAxis = categoryplot.getDomainAxis();
??? ??? //定义字体格式?
??? ??? Font font = new Font("微软雅黑", Font.CENTER_BASELINE, 12);
??? ??? TextTitle title = new TextTitle("Liguokun 李国坤2D横向图");
??? ??? //设置标题的格式?
??? ??? title.setFont(font);
??? ??? //把标题设置到图片里面?
??? ??? jfreechart.setTitle(title);
??? ???
??? ??? domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));
??? ???
??? ??? domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));
??? ???
??? ??? jfreechart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? categoryplot.setDomainGridlinePaint(Color.white);
??? ??? categoryplot.setDomainGridlinesVisible(true);
??? ??? categoryplot.setDomainGridlinePaint(Color.BLUE);
??? ??? return jfreechart;
??? }
??? public static String generateBarChart(HttpSession session, PrintWriter pw) {
??? ??? String filename = "";
??? ??? CategoryDataset categorydataset = createDataset();//在类里可以调用私有的成员啊
??? ??? JFreeChart jfreechart = createChart(categorydataset);
??? ??? ChartRenderingInfo info = new ChartRenderingInfo(
??? ??? ??? ??? new StandardEntityCollection());
??? ??? try {
??? ??? ??? filename = ServletUtilities.saveChartAsPNG(jfreechart, 500, 300,
??? ??? ??? ??? ??? info, session);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? try {
??? ??? ??? ChartUtilities.writeImageMap(pw, filename, info, false);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? pw.flush();
??? ??? return filename;
??? }
}
多行的柱状图
package chart;
import java.awt.Color;
import java.awt.Font;
import java.io.IOException;
import java.io.PrintWriter;
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.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.servlet.ServletUtilities;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
public class MutiBarchart2D {
??? private static CategoryDataset createDataset() {
??? ??? String boy = "男生人数";//这个就是用于说明图形颜色表的的是什么意思
??? ??? String girl = "女生人数";
??? ??? String s1 = "北京";
??? ??? String s2 = "天津";
??? ??? String s3 = "河北";
??? ??? String s4 = "安徽";
??? ??? String s5 = "辽宁";
??? ??? String s6 = "河南";
??? ??? String s7 = "山东";
??? ??? DefaultCategoryDataset defaultCategoryDataset = new DefaultCategoryDataset();
??? ??? defaultCategoryDataset.addValue(2000, boy, s1);
??? ??? defaultCategoryDataset.addValue(600, boy, s2);
??? ??? defaultCategoryDataset.addValue(1200, boy, s3);
??? ??? defaultCategoryDataset.addValue(579, boy, s4);
??? ??? defaultCategoryDataset.addValue(347, boy, s5);
??? ??? defaultCategoryDataset.addValue(468, boy, s6);
??? ??? defaultCategoryDataset.addValue(2000, boy, s7);
??? ??? defaultCategoryDataset.addValue(1300, girl, s1);
??? ??? defaultCategoryDataset.addValue(607, girl, s2);
??? ??? defaultCategoryDataset.addValue(1660, girl, s3);
??? ??? defaultCategoryDataset.addValue(589, girl, s4);
??? ??? defaultCategoryDataset.addValue(247, girl, s5);
??? ??? defaultCategoryDataset.addValue(668, girl, s6);
??? ??? defaultCategoryDataset.addValue(290, girl, s7);
??? ??? return defaultCategoryDataset;
??? }
??? private static JFreeChart createChart(CategoryDataset categorydataset) {
??? ??? String name = "学校生源统计柱状图";
??? ??? String x_name = "省份";
??? ??? String y_name = "数量";
??? ??? System.out.println("name=" + name);
??? ??? System.out.println("x_name=" + x_name);
??? ??? JFreeChart jfreechart = ChartFactory.createBarChart(name, x_name,
??? ??? ??? ??? y_name, categorydataset, PlotOrientation.VERTICAL, true, true,
??? ??? ??? ??? false);
??? ??? jfreechart.setBackgroundPaint(Color.white);//Color 是paint类型的对象
??? ??? CategoryPlot categoryplot = jfreechart.getCategoryPlot();
??? ???
??? ??? NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
??? ??? CategoryAxis domainAxis = categoryplot.getDomainAxis();
??? ??? //定义字体格式?
??? ??? Font font = new Font("微软雅黑", Font.CENTER_BASELINE, 12);
??? ??? TextTitle title = new TextTitle("Liguokun 李国坤多维2D图");
??? ??? //设置标题的格式?
??? ??? title.setFont(font);
??? ??? //把标题设置到图片里面?
??? ??? jfreechart.setTitle(title);
??? ???
??? ??? domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));
??? ???
??? ??? domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));
??? ???
??? ??? numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));
??? ???
??? ??? jfreechart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
??? ???
??? ??? categoryplot.setDomainGridlinePaint(Color.white);
??? ??? categoryplot.setDomainGridlinesVisible(true);
??? ??? categoryplot.setDomainGridlinePaint(Color.blue);
??? ??? //下面用来让柱图更加好看
??? ??? BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
??? ??? barrenderer.setDrawBarOutline(true);
??? ??? barrenderer.setOutlinePaint(Color.black);//加了个黑边，
??? ??? barrenderer.setMaximumBarWidth(0.05);
??? ??? barrenderer.setSeriesFillPaint(0, Color.blue);
??? ??? return jfreechart;
??? }
??? public static String generateBarChart(HttpSession session, PrintWriter pw) {
??? ??? String filename = "";
??? ??? CategoryDataset categorydataset = createDataset();//在类里可以调用私有的成员啊
??? ??? JFreeChart jfreechart = createChart(categorydataset);
??? ??? ChartRenderingInfo info = new ChartRenderingInfo(
??? ??? ??? ??? new StandardEntityCollection());
??? ??? try {
??? ??? ??? filename = ServletUtilities.saveChartAsPNG(jfreechart, 500, 300,
??? ??? ??? ??? ??? info, session);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? try {
??? ??? ??? ChartUtilities.writeImageMap(pw, filename, info, false);
??? ??? } catch (IOException e) {
??? ??? ??? e.printStackTrace();
??? ??? }
??? ??? pw.flush();
??? ??? return filename;
??? }
}
