Jfreechart中文乱码解决方法

在制图前，创建主题样式并制定样式中的字体，通过ChartFactory的setChartTheme（）方法设置主题样式。

package com.zzs.jfreechart.demo;   import java.awt.Font;  import org.jfree.chart.ChartFactory;  import org.jfree.chart.ChartFrame;  import org.jfree.chart.JFreeChart;  import org.jfree.chart.StandardChartTheme;  import org.jfree.chart.plot.PlotOrientation;  import org.jfree.chart.title.LegendTitle;  import org.jfree.chart.title.TextTitle;  import org.jfree.data.category.DefaultCategoryDataset;   public class JfreeChartTest {          public static void main(String[] args) {   //     创建类别图（Category）数据对象            DefaultCategoryDataset dataset = new DefaultCategoryDataset();         dataset.addValue(100, "北京", "苹果");         dataset.addValue(100, "上海", "苹果");         dataset.addValue(100, "广州", "苹果");         dataset.addValue(200, "北京", "梨子");         dataset.addValue(200, "上海", "梨子");         dataset.addValue(200, "广州", "梨子");         dataset.addValue(300, "北京", "葡萄");         dataset.addValue(300, "上海", "葡萄");         dataset.addValue(300, "广州", "葡萄");         dataset.addValue(400, "北京", "香蕉");         dataset.addValue(400, "上海", "香蕉");         dataset.addValue(400, "广州", "香蕉");         dataset.addValue(500, "北京", "荔枝");         dataset.addValue(500, "上海", "荔枝");         dataset.addValue(500, "广州", "荔枝");         //创建主题样式         StandardChartTheme standardChartTheme=new StandardChartTheme("CN");         //设置标题字体         standardChartTheme.setExtraLargeFont(new Font("隶书",Font.BOLD,20));         //设置图例的字体         standardChartTheme.setRegularFont(new Font("宋书",Font.PLAIN,15));         //设置轴向的字体         standardChartTheme.setLargeFont(new Font("宋书",Font.PLAIN,15));         //应用主题样式         ChartFactory.setChartTheme(standardChartTheme);          JFreeChart chart=ChartFactory.createBarChart3D("水果产量图", "水果", "水果", dataset, PlotOrientation.VERTICAL, true, true, true);  //        TextTitle textTitle = chart.getTitle();  //      textTitle.setFont(new Font("宋体", Font.BOLD, 20));  //      LegendTitle legend = chart.getLegend();  //      if (legend != null) {  //          legend.setItemFont(new Font("宋体", Font.BOLD, 20));  //      }         ChartFrame  frame=new ChartFrame ("水果产量图 ",chart,true);         frame.pack();         frame.setVisible(true);      }  }