vue中echarts常用封装模板

以柱状图为列

<template>
  <div
    :class="className"
    :style="{height:height,width:width}"
  />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import { debounce } from '@/utils'

export default {
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    }
  },
  data() {
    return {
      chart: null
    }
  },
  mounted() {
    this.initChart()
    this.__resizeHandler = debounce(() => {
      if (this.chart) {
        this.chart.resize()
      }
    }, 100)
    window.addEventListener('resize', this.__resizeHandler)
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    window.removeEventListener('resize', this.__resizeHandler)
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
    },

    // 画图
    drawChart(xAxisData, seriesData) {
      if (!xAxisData.length || !seriesData.length) {
        this.chart.clear()
      }
      if (this.chart) {
        this.chart.setOption({
          tooltip: {
            trigger: 'axis'
          },
          grid: {
            top: 10,
            left: '2%',
            right: '2%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              type: 'category',
              data: xAxisData || [
                'Mon',
                'Tue',
                'Wed',
                'Thu',
                'Fri',
                'Sat',
                'Sun'
              ],
              axisTick: {
                alignWithLabel: true
              }
            }
          ],
          yAxis: [
            {
              type: 'value',
              axisTick: {
                show: false
              }
            }
          ],
          // 传入数组
          series: seriesData || [
            {
              name: 'pageA',
              type: 'bar',
              stack: 'vistors',
              barWidth: '60%',
              data: [79, 52, 200, 334, 390, 330, 220]
            }
          ]
        })
      }
    },
    // 清除画布
    clear() {
      this.chart && this.chart.clear()
    }
  }
}
</script>