Vue 中使用vue2-highcharts实现top功能的示例

1、要实现的效果如下图：

2、首先项目中引用vue2-highcharts

package.json中如下：

在命令行中输入：

cnpm install vue2-highcharts

3、页面代码如下：

<template>
 <div >
  <div>
  <div id="transparent-header" class="rank-head container" >
    <img src="../assets/index/back.png" class="rank-head-back" @click="routerBack"/>
    <span >用能排名</span>
  </div>
  </div>
  <div >
   <div >
    <datepicker v-on:picked="picked" style="margin-left:10px;"></datepicker>
   </div>
    <div >
    </div>
  </div>
  <div >
   <div class="charts">
     <vue-highcharts :options="options" ref="maxLineCharts"></vue-highcharts>
   </div>
  </div>
  <div >
   <div class="charts">
     <vue-highcharts :options="options" ref="minLineCharts"></vue-highcharts>
   </div>
  </div>
 </div>
</template>
<script>
 import datepicker from '../components/datepicker.vue'
 import VueHighcharts from 'vue2-highcharts'
 export default {
 data() {
  return{
   topHeight:240,
   freezeMon:'',
   ownerFreeData: [],
   options:{
    credits: {
     enabled: false
    },
    legend: {
     enabled: false
    },
    global: {
     useUTC: false
    },
    chart: {
     type: 'bar'
    },
    title: {
     text: ' '
    },
    subtitle: {
     text: ''
    },
    xAxis:[{
     categories: ['1', '2', '3', '4', '5','6', '7', '8', '9', '10'],
     title: {
      text: null
     },
    labels: {
     rotation: -45
    }
     }],
    yAxis:[{
      min: 0,
      labels:{
       overflow: 'justify'
      },
      title: {
       text: '单位 (kwh)',
       align: 'high'
       }
    }],
    tooltip: {
      formatter: function(){
      return this.x+':'+this.y+'kwh';
     }
    },
    credits: {
     enabled: false
    },
    plotOptions: {
     bar: {
      dataLabels: {
       enabled: true
      }
     },
    series: [{
     type: 'bar'
    }]    }
   }
  }
 },
  methods: {
  picked(year, month, date) {
   if(month < 10){								 
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