vue3对echarts的组件封装

效果如下:目录结构useEchart.tsimport * as echarts from 'echarts'import chinaMapData from '../data/china.json'echarts.registerMap('china', chinaMapData)export default function (el: HTMLElement) {const echartIns

进阶的巨人001

2614人浏览 · 2021-09-05 18:00:05

进阶的巨人001 · 2021-09-05 18:00:05 发布

效果如下:

在这里插入图片描述
目录结构

useEchart.ts

import * as echarts from 'echarts'

import chinaMapData from '../data/china.json'

echarts.registerMap('china', chinaMapData)

export default function (el: HTMLElement) {
  const echartInstance = echarts.init(el)
  const setOptions = (options: echarts.EChartsOption) => {
    echartInstance.setOption(options)
  }
  const updateSize = () => {
    echartInstance.resize()
  }

  window.addEventListener('resize', () => {
    echartInstance.resize()
  })

  return {
    echartInstance,
    setOptions,
    updateSize
  }
}

base-echart.vue

<template>
  <div class="base-echart">
    <div ref="echartDivRef" :style="{ width: width, height: height }"></div>
  </div>
</template>

<script lang="ts" setup>
import { ref, onMounted, defineProps, withDefaults, watchEffect } from 'vue'
import { EChartsOption } from 'echarts'
import useEchart from '../hooks/useEchart'

// 定义props
const props = withDefaults(
  defineProps<{
    options: EChartsOption
    width?: string
    height?: string
  }>(),
  {
    width: '100%',
    height: '360px'
  }
)

const echartDivRef = ref<HTMLElement>()

onMounted(() => {
  const { setOptions } = useEchart(echartDivRef.value!)

  watchEffect(() => {
    setOptions(props.options)
  })
})
</script>

index.ts导出

import BaseEchart from './src/base-echart.vue'
export default BaseEchart

然后再对这5个进行封装起来

在这里插入图片描述

pie-echart.vue

<template>
  <div class="pie-echart">
    <base-echart :options="options"></base-echart>
  </div>
</template>

<script setup lang="ts">
import { defineProps, computed } from 'vue'
import BaseEchart from '@/base-ui/echart'
import { IDataType } from '../types'

const props = defineProps<{
  pieData: IDataType[]
}>()

const options = computed(() => {
  return {
    tooltip: {
      trigger: 'item'
    },
    legend: {
      orient: 'horizontal',
      left: 'left'
    },
    series: [
      {
        name: '分类数据',
        type: 'pie',
        radius: '50%',
        data: props.pieData,
        emphasis: {
          itemStyle: {
            shadowBlur: 10,
            shadowOffsetX: 0,
            shadowColor: 'rgba(0, 0, 0, 0.5)'
          }
        }
      }
    ]
  }
})
</script>

map-echart.vue

<template>
  <div class="bar-echart">
    <base-echart :options="options"></base-echart>
  </div>
</template>

<script setup lang="ts">
import { computed, defineProps, withDefaults } from 'vue'
import BaseEchart from '@/base-ui/echart'
import { IDataType } from '../types'

import { convertData } from '../utils/convert-data'

const props = withDefaults(
  defineProps<{
    title?: string
    mapData: IDataType[]
  }>(),
  {
    title: ''
  }
)

const options = computed(() => {
  return {
    backgroundColor: '#fff',
    title: {
      text: '全国销量统计',
      left: 'center',
      textStyle: {
        color: '#fff'
      }
    },
    tooltip: {
      trigger: 'item',
      formatter: function (params: any) {
        return params.name + ' : ' + params.value[2]
      }
    },
    visualMap: {
      min: 0,
      max: 60000,
      left: 20,
      bottom: 20,
      calculable: true,
      text: ['高', '低'],
      inRange: {
        color: ['rgb(70, 240, 252)', 'rgb(250, 220, 46)', 'rgb(245, 38, 186)']
      },
      textStyle: {
        color: '#fff'
      }
    },
    geo: {
      map: 'china',
      roam: 'scale',
      emphasis: {
        areaColor: '#f4cccc',
        borderColor: 'rgb(9, 54, 95)',
        itemStyle: {
          areaColor: '#f4cccc'
        }
      }
    },
    series: [
      {
        name: '销量',
        type: 'scatter',
        coordinateSystem: 'geo',
        data: convertData(props.mapData),
        symbolSize: 12,
        emphasis: {
          itemStyle: {
            borderColor: '#fff',
            borderWidth: 1
          }
        }
      },
      {
        type: 'map',
        map: 'china',
        geoIndex: 0,
        aspectScale: 0.75,
        tooltip: {
          show: false
        }
      }
    ]
  }
})
</script>

rose-echart.vue

<template>
  <div class="rose-echart">
    <base-echart :options="options"></base-echart>
  </div>
</template>

<script setup lang="ts">
import { computed, defineProps } from 'vue'
import BaseEchart from '@/base-ui/echart'

import { IDataType } from '../types'

const props = defineProps<{
  roseData: IDataType[]
}>()

const options = computed(() => {
  return {
    // legend: {
    //   top: 'bottom'
    // },
    toolbox: {
      show: true,
      feature: {
        mark: { show: true },
        dataView: { show: true, readOnly: false },
        restore: { show: true },
        saveAsImage: { show: true }
      }
    },
    series: [
      {
        name: '类别数据',
        type: 'pie',
        radius: [10, 100],
        center: ['50%', '50%'],
        roseType: 'area',
        itemStyle: {
          borderRadius: 8
        },
        data: props.roseData
      }
    ]
  }
})
</script>

line-echart.vue

<template>
  <div class="line-echart">
    <base-echart :options="options"></base-echart>
  </div>
</template>

<script setup lang="ts">
import { computed, defineProps, withDefaults } from 'vue'
import BaseEchart from '@/base-ui/echart'

const props = withDefaults(
  defineProps<{
    title?: string
    xLabels: string[]
    values: any[]
  }>(),
  {
    title: ''
  }
)

const options = computed(() => {
  return {
    title: {
      text: props.title
    },
    tooltip: {
      trigger: 'axis',
      axisPointer: {
        type: 'cross',
        label: {
          backgroundColor: '#6a7985'
        }
      }
    },
    legend: {},
    toolbox: {
      feature: {
        saveAsImage: {}
      }
    },
    grid: {
      left: '3%',
      right: '4%',
      bottom: '3%',
      containLabel: true
    },
    xAxis: [
      {
        type: 'category',
        boundaryGap: false,
        data: props.xLabels
      }
    ],
    yAxis: [
      {
        type: 'value'
      }
    ],
    series: [
      {
        name: '分别销量',
        type: 'line',
        stack: '总量',
        areaStyle: {},
        emphasis: {
          focus: 'series'
        },
        data: props.values
      }
    ]
  }
})
</script>

bar-echart.vue

<template>
  <div class="bar-echart">
    <base-echart :options="options"></base-echart>
  </div>
</template>

<script setup lang="ts">
import { computed, defineProps, withDefaults } from 'vue'
import * as echarts from 'echarts'
import BaseEchart from '@/base-ui/echart'

const props = withDefaults(
  defineProps<{
    title?: string
    xLabels: string[]
    values: any[]
  }>(),
  {
    title: ''
  }
)

const options = computed(() => {
  return {
    xAxis: {
      data: props.xLabels,
      axisLabel: {
        inside: true,
        color: '#fff'
      },
      axisTick: {
        show: false
      },
      axisLine: {
        show: false
      },
      z: 10
    },
    yAxis: {
      axisLine: {
        show: false
      },
      axisTick: {
        show: false
      },
      axisLabel: {
        color: '#999'
      }
    },
    dataZoom: [
      {
        type: 'inside'
      }
    ],
    series: [
      {
        type: 'bar',
        showBackground: true,
        itemStyle: {
          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
            { offset: 0, color: '#83bff6' },
            { offset: 0.5, color: '#188df0' },
            { offset: 1, color: '#188df0' }
          ])
        },
        emphasis: {
          itemStyle: {
            color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
              { offset: 0, color: '#2378f7' },
              { offset: 0.7, color: '#2378f7' },
              { offset: 1, color: '#83bff6' }
            ])
          }
        },
        data: props.values
      }
    ]
  }
})
</script>

ok，然后进行使用

<template>
  <div class="dashboard">
    <el-row :gutter="10">
      <el-col :span="7">
        <hy-card title="分类商品数量(饼图)">
          <pie-echart :pieData="categoryGoodsCount"></pie-echart>
        </hy-card>
      </el-col>
      <el-col :span="10">
        <hy-card title="不同城市商品销量">
          <map-echart :mapData="addressGoodsSale"></map-echart>
        </hy-card>
      </el-col>
      <el-col :span="7">
        <hy-card title="分类商品数量(玫瑰图)">
          <rose-echart :roseData="categoryGoodsCount"></rose-echart>
        </hy-card>
      </el-col>
    </el-row>

    <el-row :gutter="10" class="content-row">
      <el-col :span="12">
        <hy-card title="分类商品的销量">
          <line-echart v-bind="categoryGoodsSale"></line-echart>
        </hy-card>
      </el-col>
      <el-col :span="12">
        <hy-card title="分类商品的收藏">
          <bar-echart v-bind="categoryGoodsFavor"></bar-echart>
        </hy-card>
      </el-col>
    </el-row>
  </div>
</template>

<script lang="ts">
import { defineComponent, computed } from 'vue'
import { useStore } from '@/store'

import HyCard from '@/base-ui/card'
import {
  PieEchart,
  RoseEchart,
  LineEchart,
  BarEchart,
  MapEchart
} from '@/components/page-echarts'

export default defineComponent({
  name: 'dashboard',
  components: {
    HyCard,
    PieEchart,
    RoseEchart,
    LineEchart,
    BarEchart,
    MapEchart
  },
  setup() {
    const store = useStore()
    // 请求数据
    store.dispatch('dashboard/getDashboardDataAction')

    // 获取数据
    const categoryGoodsCount = computed(() => {
      return store.state.dashboard.categoryGoodsCount.map((item: any) => {
        return { name: item.name, value: item.goodsCount }
      })
    })
    const categoryGoodsSale = computed(() => {
      const xLabels: string[] = []
      const values: any[] = []
      const categoryGoodsSale = store.state.dashboard.categoryGoodsSale
      for (const item of categoryGoodsSale) {
        xLabels.push(item.name)
        values.push(item.goodsCount)
      }
      return { xLabels, values }
    })
    const categoryGoodsFavor = computed(() => {
      const xLabels: string[] = []
      const values: any[] = []
      const categoryGoodsFavor = store.state.dashboard.categoryGoodsFavor
      for (const item of categoryGoodsFavor) {
        xLabels.push(item.name)
        values.push(item.goodsFavor)
      }
      return { xLabels, values }
    })
    const addressGoodsSale = computed(() => {
      return store.state.dashboard.addressGoodsSale.map((item: any) => {
        return { name: item.address, value: item.count }
      })
    })

    return {
      categoryGoodsCount,
      categoryGoodsSale,
      categoryGoodsFavor,
      addressGoodsSale
    }
  }
})
</script>

<style scoped>
.content-row {
  margin-top: 20px;
}
</style>

如果不明白的可以去github里面有所有代码，github项目地址https://github.com/lsh555/vue3-ems

在这里插入图片描述

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