解决ＪＦＲＥＥＣＨＡＲＴ乱码有关问题

解决ＪＦＲＥＥＣＨＡＲＴ乱码问题

源代码：

?

package com.sun.test;import java.io.FileOutputStream;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartUtilities;import org.jfree.chart.JFreeChart;import org.jfree.chart.plot.PlotOrientation;import org.jfree.data.category.CategoryDataset;import org.jfree.data.category.DefaultCategoryDataset;public class BarChartDemo { public static void main(String[] args) {  CategoryDataset dateset = getDateSet2();  JFreeChart chart = ChartFactory.createBarChart3D("水果产量图", "水果", "产量",    dateset, PlotOrientation.VERTICAL, true, false, false);  FileOutputStream fos_jpg = null;  try {   fos_jpg = new FileOutputStream("D:\\fruit.jpg");   ChartUtilities.writeChartAsJPEG(fos_jpg,0.5f, chart, 400, 300);  } catch (Exception e) {   e.printStackTrace();  } finally {   try {    fos_jpg.close();   } catch (Exception e) {    e.printStackTrace();   }  } } private static CategoryDataset getDateSet2() {  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");  return dataset; }}

?

症状：

导出图片后一堆方框，乱码，分析后认为没有设置字符集

解决办法：

并不需要设置字符集，只要设置字体也可以，用ＦＯＮＴ类

?