Highchart Barchart xAxis

问题

I have High Chart Bar chart... I had set value xAxis in to Usa,Canada,Japan,USA,Canada,Japan,Usa,Canada,Japan I need to Set the name Under each Usa,Canada,Japan 1st level and 2nd level and 3d Level

                x Axis: {
                type: 'category',
                categories: ['USA', 'Canada', 'Japan', 'UsA', 'Canada', 'Japan', 'USA', 
                'Canada', 'JAPAN'],


 under each Categories I need to 1st level and 2nd level and 3d Level

enter image description here

回答1:

Take a look at this plugin: https://www.highcharts.com/plugin-registry/single/11/Grouped-Categories

I think that using it fits your requirement.

来源：https://stackoverflow.com/questions/61706144/highchart-barchart-xaxis