:::demo 示例

```html
<template>
    <div>
        <h1>2.自定义内容组件</h1>
        <button class="chart">浮云飘过~~~</button>
    </div>
</template>

<script>

import Vue from 'vue';

import Highcharts from 'highcharts/highstock';
import HighchartsMore from 'highcharts/highcharts-more';
import HighchartsDrilldown from 'highcharts/modules/drilldown';

HighchartsMore(Highcharts)
HighchartsDrilldown(Highcharts);

Vue.component('v-tip',{
    template:`
        <div id='custom' style='width:100%;height:380px;'></div>
    `
});

export default{
    name: "custom",
    mounted(){

        this.$nextTick(()=>{

            this.$floatingLayer({
                componentName:'v-tip',
                elementClass:'.chart',
                borderClass:{
                    borderColor:'green',
                    borderRadius:'3px'
                },
                onShow:()=>{

                    var chart = Highcharts.chart('custom',{
                        chart: {
                            type: 'column'
                        },
                        title: {
                            text: '月平均降雨量'
                        },
                        subtitle: {
                            text: '数据来源: WorldClimate.com'
                        },
                        xAxis: {
                            categories: [
                                '一月','二月','三月','四月','五月','六月','七月','八月','九月','十月','十一月','十二月'
                            ],
                            crosshair: true
                        },
                        yAxis: {
                            min: 0,
                            title: {
                                text: '降雨量 (mm)'
                            }
                        },
                        tooltip: {
                            // head + 每个 point + footer 拼接成完整的 table
                            headerFormat: '<span style="font-size:10px">{point.key}</span><table>',
                            pointFormat: '<tr><td style="color:{series.color};padding:0">{series.name}: </td>' +
                            '<td style="padding:0"><b>{point.y:.1f} mm</b></td></tr>',
                            footerFormat: '</table>',
                            shared: true,
                            useHTML: true
                        },
                        plotOptions: {
                            column: {
                                borderWidth: 0
                            }
                        },
                        series: [{
                            name: '东京',
                            data: [49.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
                        }, {
                            name: '纽约',
                            data: [83.6, 78.8, 98.5, 93.4, 106.0, 84.5, 105.0, 104.3, 91.2, 83.5, 106.6, 92.3]
                        }, {
                            name: '伦敦',
                            data: [48.9, 38.8, 39.3, 41.4, 47.0, 48.3, 59.0, 59.6, 52.4, 65.2, 59.3, 51.2]
                        }, {
                            name: '柏林',
                            data: [42.4, 33.2, 34.5, 39.7, 52.6, 75.5, 57.4, 60.4, 47.6, 39.1, 46.8, 51.1]
                        }],
                        credits:{
                            enabled:false
                        }
                    });

            }
            });

        });

    }
}
</script>
```
:::