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我试图以百分比显示我的时间图上的值。我的代码是目前在TimeSeriesChart中将坐标轴更改为百分比
TimeSeries ts = new TimeSeries("Test");
ts.add(new Month(2,2001), 50);
ts.add(new Month(2,2002), 70);
TimeSeriesCollection ts1 = new TimeSeriesCollection();
ts1.addSeries(ts);
JFreeChart chart = ChartFactory.createTimeSeriesChart("test", "x", "y", ts1, true, true,false);
XYPlot plot = (XYPlot) chart.getXYPlot();
NumberAxis axis = (NumberAxis) plot.getRangeAxis();
axis.setTickUnit(new NumberTickUnit(10));
DecimalFormat format = new DecimalFormat("#%");
axis.setNumberFormatOverride(format);
axis.setRange(0, 100);
ChartPanel chartPanel = new ChartPanel(chart);
这确实显示比例,但它们显示为1000%,2000%等。我想他们是10%,20%等,有谁知道我在哪里呢?