【问题标题】:xAxis.setLowerBound(1) is causing to disappear bar in bar chart in javaFXxAxis.setLowerBound(1) 导致 javaFX 条形图中的条形消失
【发布时间】:2023-04-03 13:31:02
【问题描述】:

我希望 xAxis 值从 1 到 10。当我将 xAxis lowerBound 设置为“1”而不是“0”时,图表中的条形消失了。

NumberAxis xAxis = new NumberAxis();
xAxis.setAutoRanging(false);
xAxis.setLowerBound(1);
xAxis.setUpperBound(10);
xAxis.setTickUnit(1);

final CategoryAxis yAxis = new CategoryAxis();
final BarChart<Number,String> bc =new BarChart<Number,String>(xAxis,yAxis);

XYChart.Series series1 = new XYChart.Series();
series1.getData().add(new XYChart.Data(5, "XYZ"));

如何解决这个问题?

【问题讨论】:

    标签: java javafx javafx-2


    【解决方案1】:

    我刚试过这个,它对我有用。我正在使用 java 8。

    public class HorizBarChart extends Application {
    @Override public void start(Stage stage) {
        final NumberAxis xAxis = new NumberAxis();
        xAxis.setAutoRanging(false);
        xAxis.setLowerBound(1);
        xAxis.setUpperBound(10);
        xAxis.setTickUnit(1);
        final CategoryAxis yAxis = new CategoryAxis();
        final BarChart<Number,String> bc = new BarChart<>(xAxis,yAxis);
    
        XYChart.Series series1 = new XYChart.Series();
        series1.setName("1");       
        series1.getData().add(new XYChart.Data(5, "XYZ"));
        series1.getData().add(new XYChart.Data(1, "ABC"));
        series1.getData().add(new XYChart.Data(10, "def"));
        Scene scene  = new Scene(bc,800,600);
        bc.getData().addAll(series1);
        stage.setScene(scene);
        stage.show();
    }
    }
    

    【讨论】:

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