Highcharts中条形图的dataLabels在3.0.8中不显示空值 [英] dataLabels for bar chart in Highcharts not displaying for null values in 3.0.8

问题描述

I've been using the following code to set dataLabels for bar charts in Highcharts...

plotOptions: {
    bar: {
        dataLabels: {
            enabled: true,
            formatter: function() {
                if (this.y==null) {
                    return '<i>(Suppressed)</i>';
                } else {
                    return '';
                }
            }
        }
    }
}

基本上，我希望能够向用户展示某个值因隐私原因而被隐藏。

Basically, I want to be able to show the user when a value has been hidden for privacy reasons.

在之前的Highcharts版本中，标签会显示按照我的意愿设置空值。在3.0.8版本中，我没有获得空值的任何dataLabels。

In previous versions of Highcharts, the label would show up for the null values as I desired. In version 3.0.8, I do not get any dataLabels for the null vales.

是否有解决方法或解决方案？

Is there a workaround or fix for this?

推荐答案

可能存在bug，这里报道 https://github.com/highslide-software/highcharts.com/issues/2899

Possibly bug, reported here https://github.com/highslide-software/highcharts.com/issues/2899

解决方法：使用renderer http://api.highcharts.com/highcharts#Renderer.text

Workaround: use renderer http://api.highcharts.com/highcharts#Renderer.text

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