我想创建一个向下钻取图表,但是当单击某个条形或标签时,要显示的下一个图表将是首先从数据库中加载/获取数据。这意味着尚未预加载2级钻取。我不知道该怎么做或不知道要搜索的功能。
谢谢。
答案 0 :(得分:0)
在drilldown
事件中,您可以获取数据并使用addSeriesAsDrilldown
方法:
Highcharts.chart('container', {
chart: {
type: 'column',
events: {
drilldown: function(e) {
if (!e.seriesOptions) {
var chart = this,
source = {
Animals: 'https://api.myjson.com/bins/100f5h',
Fruits: 'https://api.myjson.com/bins/csik5',
Cars: 'https://api.myjson.com/bins/sxd1x'
};
chart.showLoading('Waiting for data...');
$.get(source[e.point.name], function(data) {
chart.hideLoading();
chart.addSeriesAsDrilldown(e.point, data[e.point.name]);
});
}
}
}
},
...
series: [{
...,
data: [{
name: 'Animals',
y: 5,
drilldown: true
}, {
name: 'Fruits',
y: 2,
drilldown: true
}, {
name: 'Cars',
y: 4,
drilldown: true
}]
}],
drilldown: {
series: []
}
});
实时演示: http://jsfiddle.net/BlackLabel/7r2z3t85/
API参考: https://api.highcharts.com/class-reference/Highcharts.Chart#addSeriesAsDrilldown
文档: https://www.highcharts.com/docs/chart-concepts/drilldown