// 实例化图表并保存图表对象
var chart = new Highcharts.Chart();
var axis = chart.xAxis[0];
axis.addPlotBand({
id: 'myXAxisPlotBand', // id 用于后续删除用
from: 20,
to: 40,
// ...
});
2、动态删除标示带
var chart = new Highcharts.Chart();
var axis = chart.xAxis[0];
axis.removePlotBand('myXAxisPlotBand');