看看API,设置字体吧
/* 下面是设置曲线图图片乱码的部分代码,参考一下吧 */
chart = ChartFactory.createTimeSeriesChart(str, "time", "count", dataset, true, true, false);
XYPlot localXYPlot = (XYPlot)chart.getPlot();
DateAxis localDateAxis = (DateAxis)localXYPlot.getDomainAxis();
ValueAxis numberaxis = localXYPlot.getRangeAxis();
chart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
TextTitle textTitle = chart.getTitle();
textTitle.setFont(new Font("黑体", Font.PLAIN, 20));
/*------设置X轴的标题文字------------*/
localDateAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
/*------设置Y轴的标题文字------------*/
numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));