JFreeChart中文乱码解决方案（步骤汇总）

JFreeChart中文乱码解决方案（方法汇总）

由于JFreeChart组件的版本、操作平台、JDK的设置等因素，在使用JFreeChart组件时可能会出现中文乱码的现象。遇到此问题时，可通过设置文字的字体来解决问题。在此提供以下两种解决此问题的方法。
一、设置主题的样式（强烈推荐）
? 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。

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package?com.zzs.jfreechart.demo; ????import?java.awt.Color; ?? import?java.awt.Font; ?? ??import?org.jfree.chart.ChartFactory; ?? import?org.jfree.chart.ChartFrame; ?? import?org.jfree.chart.JFreeChart; ?? import?org.jfree.chart.axis.CategoryAxis; ?? import?org.jfree.chart.axis.ValueAxis; ?? import?org.jfree.chart.plot.XYPlot; ?? import?org.jfree.chart.title.LegendTitle; ?? import?org.jfree.chart.title.TextTitle; ?? import?org.jfree.data.time.Month; ?? import?org.jfree.data.time.TimeSeries; ?? import?org.jfree.data.time.TimeSeriesCollection; ?? import?org.jfree.ui.RectangleInsets; ?? ??public?class?ShiJianXuLieTu01?{ ?? ??????/** ??????*?@param?args ??????*/??????public?static?void?main(String[]?args)?{ ?? ????????//?TODO?Auto-generated?method?stub ?? ????????//时间序列图 ?? ????????? ?????????????TimeSeries?timeseries?=?new?TimeSeries("L&G?European?Index?Trust",Month.class); ?? ????? ?????????????timeseries.add(new?Month(2,?2001),?181.8D);//这里用的是Month.class，同样还有Day.class?Year.class?等等 ?? ????? ?????????????timeseries.add(new?Month(3,?2001),?167.3D); ?? ????? ?????????????timeseries.add(new?Month(4,?2001),?153.8D); ?? ????? ?????????????timeseries.add(new?Month(5,?2001),?167.6D); ?? ????? ?????????????timeseries.add(new?Month(6,?2001),?158.8D); ?? ????? ?????????????timeseries.add(new?Month(7,?2001),?148.3D); ?? ????? ?????????????timeseries.add(new?Month(8,?2001),?153.9D); ?? ????? ?????????????timeseries.add(new?Month(9,?2001),?142.7D); ?? ????? ?????????????timeseries.add(new?Month(10,?2001),?123.2D); ?? ????? ?????????????timeseries.add(new?Month(11,?2001),?131.8D); ?? ????? ?????????????timeseries.add(new?Month(12,?2001),?139.6D); ?? ????? ?????????????timeseries.add(new?Month(1,?2002),?142.9D); ?? ????? ?????????????timeseries.add(new?Month(2,?2002),?138.7D); ?? ????? ?????????????timeseries.add(new?Month(3,?2002),?137.3D); ?? ????? ?????????????timeseries.add(new?Month(4,?2002),?143.9D); ?? ????? ?????????????timeseries.add(new?Month(5,?2002),?139.8D); ?? ????? ?????????????timeseries.add(new?Month(6,?2002),?137D); ?? ????? ?????????????timeseries.add(new?Month(7,?2002),?132.8D); ?? ????? ??????? ??????? ?????????????TimeSeries?timeseries1?=?new?TimeSeries("L&G?UK?Index?Trust曾召帅",Month.class); ?? ????? ?????????????timeseries1.add(new?Month(2,?2001),?129.6D); ?? ????? ?????????????timeseries1.add(new?Month(3,?2001),?123.2D); ?? ????? ?????????????timeseries1.add(new?Month(4,?2001),?117.2D); ?? ????? ?????????????timeseries1.add(new?Month(5,?2001),?124.1D); ?? ????? ?????????????timeseries1.add(new?Month(6,?2001),?122.6D); ?? ????? ?????????????timeseries1.add(new?Month(7,?2001),?119.2D); ?? ????? ?????????????timeseries1.add(new?Month(8,?2001),?116.5D); ?? ????? ?????????????timeseries1.add(new?Month(9,?2001),?112.7D); ?? ????? ?????????????timeseries1.add(new?Month(10,?2001),?101.5D); ?? ????? ?????????????timeseries1.add(new?Month(11,?2001),?106.1D); ?? ????? ?????????????timeseries1.add(new?Month(12,?2001),?110.3D); ?? ????? ?????????????timeseries1.add(new?Month(1,?2002),?111.7D); ?? ????? ?????????????timeseries1.add(new?Month(2,?2002),?111D); ?? ????? ?????????????timeseries1.add(new?Month(3,?2002),?109.6D); ?? ????? ?????????????timeseries1.add(new?Month(4,?2002),?113.2D); ?? ????? ?????????????timeseries1.add(new?Month(5,?2002),?111.6D); ?? ????? ?????????????timeseries1.add(new?Month(6,?2002),?108.8D); ?? ????? ?????????????timeseries1.add(new?Month(7,?2002),?101.6D); ?? ????? ?????????????TimeSeriesCollection?timeseriescollection?=?new?TimeSeriesCollection(); ?? ????? ?????????????timeseriescollection.addSeries(timeseries); ??????? ??????????????timeseriescollection.addSeries(timeseries1); ??????? ?????????????timeseriescollection.setDomainIsPointsInTime(true);?//domain轴上的刻度点代表的是时间点而不是时间段 ?? ????? ?????????????JFreeChart?jfreechart?=?ChartFactory.createTimeSeriesChart("合法?&?General?Unit?Trust?Prices", ?? ????? ????????????????????"日期", ?? ????? ????????????????????"暗示的话发神经提防", ?? ????? ????????????????????timeseriescollection, ??????? ????????????????????true, ?? ????? ????????????????????true, ?? ????? ????????????????????false); ?? ????? ????????????????????jfreechart.setBackgroundPaint(Color.white); ????????????????????TextTitle?textTitle?=?jfreechart.getTitle(); ??????????????????textTitle.setFont(new?Font("宋体",?Font.BOLD,?20)); ?? ????????????????LegendTitle?legend?=?jfreechart.getLegend(); ??????????????????if?(legend?!=?null)?{ ?? ????????????????????legend.setItemFont(new?Font("宋体",?Font.BOLD,?20)); ?? ????????????????} ??????? ????????????????????XYPlot?xyplot?=?(XYPlot)jfreechart.getPlot();?//获得?plot?:?XYPlot!! ?? ??????????????????ValueAxis?domainAxis=xyplot.getDomainAxis(); ????????????????????domainAxis.setTickLabelFont(new?Font("宋体",Font.BOLD,20));//设置x轴坐标上的字体 ?? ??????????????????domainAxis.setLabelFont(new?Font("宋体",Font.BOLD,20));//设置x轴坐标上的标题的字体 ?? ?????????????????? ????????????????????ValueAxis?rangeAxis=xyplot.getRangeAxis(); ????????????????????rangeAxis.setTickLabelFont(new?Font("宋体",Font.BOLD,20));//设置y轴坐标上的字体 ?? ??????????????????rangeAxis.setLabelFont(new?Font("宋体",Font.BOLD,20));//设置y轴坐标上的标题的字体 ?? ????? ????????????????????xyplot.setBackgroundPaint(Color.lightGray); ??????? ????????????????????xyplot.setDomainGridlinePaint(Color.white); ??????? ????????????????????xyplot.setRangeGridlinePaint(Color.white); ??????? ????????????????????xyplot.setAxisOffset(new?RectangleInsets(5D,?5D,?5D,?5D)); ?? ????? ????????????????????xyplot.setDomainCrosshairVisible(true); ?? ????? ????????????????????xyplot.setRangeCrosshairVisible(true); ?? ????? ????????????????????ChartFrame??frame=new?ChartFrame?("折线图?",jfreechart,true); ?? ????? ????????????????????frame.pack(); ??????? ????????????????????frame.setVisible(true); ?? ??????????} ????}??