如何格式化Highcharts dataLabels小数点 [英] How to Format Highcharts dataLabels Decimal Points

问题描述

你可以看看这个例子，让我知道如何格式化要显示的dataLabels只有两位十进制数？

Can you please take a look at this example and let me know how I can format the dataLabels to be display only with two decimal numbers?

这里是我在系列中使用的numver格式

Here is the numver formats which I have in the series

 series: [{
                name: 'Tokyo',
                data: [7.554555, 6.34345559, 9.5555, 14.5555, 18.4333433, 21.5555, 25.2, 26.5333333, 23.33333, 18.23243543, 13.776565669, 9.65454656]
            }, {
                name: 'London',
                data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
            }]

我想将它们呈现为7.55,6.34,9.55。谢谢

and I would like to present them like 7.55 , 6.34, 9.55 . Thanks

推荐答案

您需要结合 dataLabels formatter and Highcharts.numberFormat ：

You need to combine the dataLabels formatter and Highcharts.numberFormat:

...
dataLabels: {
    enabled: true,
    formatter: function () {
        return Highcharts.numberFormat(this.y,2);
    }
}
...

请参阅 jsFiddle

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