src/components/halfPieChart.vue

<template>
  <div :class="className" :style="{height:height,width:width}"></div>
</template>
<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import {debounce} from '../utils/debounce'
export default {
  name: 'halfPieChart',
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '100%'
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    chartData: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      chart: null
    }
  },
  watch: {
    chartData: function () {
      this.$nextTick(()=>{
        this.initChart()
      })
    }
  },
  mounted() {
    // this.initChart()
    if (this.autoResize) {
      this.__resizeHandler = debounce(() => {
        if (this.chart) {
          this.chart.resize()
        }
      }, 100)
      window.addEventListener('resize', this.__resizeHandler)
    }
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    if (this.autoResize) {
      window.removeEventListener('resize', this.__resizeHandler)
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    setOptions({yData} = {}) {
      console.log(yData[0])
      console.log(yData[1])
      this.chart.setOption({
        tooltip: {
          trigger: 'item',
          formatter: "{b} : {c} ({d}%)"
        },
        series: [
          {
            type: 'pie',
            radius: ['60%', '75%'],
            center: ['50%', '50%'],
            hoverAnimation:false,
            label: {
              show: false
            },
            lableLine: {
              show: false
            },
            data: [
              {
                value: yData[0],
                name: '空余',
                itemStyle: {
                  normal: {
                    color: {
                      colorStops: [{
                        offset: 0,
                        color: '#00CAFE' // 0% 处的颜色
                      }, {
                        offset: 1,
                        color: '#2772F4' // 100% 处的颜色
                      }]
                    },
                  }
                }
              },
              {
                value: yData[1],
                name: '占有',
                itemStyle: {
                  normal: {
                    color: {
                      colorStops: [{
                        offset: 0,
                        color: '#FFBA00' // 0% 处的颜色
                      }, {
                        offset: 1,
                        color: '#FF8100' // 100% 处的颜色
                      }]
                    },
                  }
                }
              },
            ],
            animationType: 'scale',
            animationEasing: 'elasticOut'
          }
        ]
      })
    },
    initChart() {
      this.chart = echarts.init(this.$el)
      this.setOptions(this.chartData)
    }
  }
}
</script>