Question

我正在尝试在点击时显示向下钻取系列饼图数据。我能够显示用户点击的饼图系列名称，但不能显示向下钻取数据。

以下是一个例子：

$(function () {
// Create the chart
$('#container').highcharts({
    chart: {
        type: 'pie'
    },
    title: {
        text: 'Browser market shares. January, 2015 to May, 2015'
    },
    subtitle: {
        text: 'Click the slices to view versions. Source: netmarketshare.com.'
    },
    plotOptions: {
        series: {
            events:{
                  click: function (event) {
                       alert(event.point.name)
                  }
            },
            dataLabels: {
                enabled: true,
                format: '{point.name}: {point.y:.1f}%'
            }
        }
    },

    tooltip: {
        headerFormat: '<span style="font-size:11px">{series.name}</span><br>',
        pointFormat: '<span style="color:{point.color}">{point.name}</span>: <b>{point.y:.2f}%</b> of total<br/>'
    },
    series: [{
        name: 'Brands',
        colorByPoint: true,
        data: [{
            name: 'Microsoft Internet Explorer',
            y: 56.33,
            drilldown: 'Microsoft Internet Explorer'
        }, {
            name: 'Chrome',
            y: 24.03,
            drilldown: 'Chrome'
        }, {
            name: 'Firefox',
            y: 10.38,
            drilldown: 'Firefox'
        }, {
            name: 'Safari',
            y: 4.77,
            drilldown: 'Safari'
        }, {
            name: 'Opera',
            y: 0.91,
            drilldown: 'Opera'
        }, {
            name: 'Proprietary or Undetectable',
            y: 0.2,
            drilldown: null
        }]
    }],
    drilldown: {
        series: [{
            name: 'Microsoft Internet Explorer',
            id: 'Microsoft Internet Explorer',
            data: [
                ['v11.0', 24.13],
                ['v8.0', 17.2],
                ['v9.0', 8.11],
                ['v10.0', 5.33],
                ['v6.0', 1.06],
                ['v7.0', 0.5]
            ]
        }, {
            name: 'Chrome',
            id: 'Chrome',
            data: [
                ['v40.0', 5],
                ['v41.0', 4.32],
                ['v42.0', 3.68],
                ['v39.0', 2.96],
                ['v36.0', 2.53],
                ['v43.0', 1.45],
                ['v31.0', 1.24],
                ['v35.0', 0.85],
                ['v38.0', 0.6],
                ['v32.0', 0.55],
                ['v37.0', 0.38],
                ['v33.0', 0.19],
                ['v34.0', 0.14],
                ['v30.0', 0.14]
            ]
        }, {
            name: 'Firefox',
            id: 'Firefox',
            data: [
                ['v35', 2.76],
                ['v36', 2.32],
                ['v37', 2.31],
                ['v34', 1.27],
                ['v38', 1.02],
                ['v31', 0.33],
                ['v33', 0.22],
                ['v32', 0.15]
            ]
        }, {
            name: 'Safari',
            id: 'Safari',
            data: [
                ['v8.0', 2.56],
                ['v7.1', 0.77],
                ['v5.1', 0.42],
                ['v5.0', 0.3],
                ['v6.1', 0.29],
                ['v7.0', 0.26],
                ['v6.2', 0.17]
            ]
        }, {
            name: 'Opera',
            id: 'Opera',
            data: [
                ['v12.x', 0.34],
                ['v28', 0.24],
                ['v27', 0.17],
                ['v29', 0.16]
            ]
        }]
    }
});
});

而不是alert（event.point.name）我想访问与用户点击的id相对应的向下钻取系列数据。

使用console.log我认为这样可以工作（this.chart.series [0] .data [0]）但它显示的是系列数据而不是下钻。

Answer 1

您缺少钻取饼图所需的drilldown.js。

<script src="https://code.highcharts.com/modules/drilldown.js"></script>

请参阅Working fiddle here

Answer 2

这就是答案： this.chart.options.drilldown.series [0]。数据[0]

Highcharts从事件点击访问钻取数据

2 个答案: