yAxis
属性定义为对象数组。例如:series: [{
...
}, {
yAxis: 1,
...
}],
yAxis: [{
height: '80%',
...
}, {
offset: 0,
top: '80%',
height: '20%',
...
}]
实时演示: http://jsfiddle.net/BlackLabel/p2bf7tLn/
API参考:
https://api.highcharts.com/highcharts/yAxis