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src/components/base/PieEchart.vue 3.93 KB
32050c6b   liuqimichale   泊位信息
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  <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: 'PieEchart',
    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} = {}) {
        this.chart.setOption(
          {
            tooltip: {
              show:false
            },
            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'
              },
              {
                name: '', type: 'pie',
                clockWise: true,hoverAnimation: false,
                radius: ['90%', '90%'],
                label: { normal: { position: 'center' }},
                data: [{
                  value: 0,
                  label: {
                    normal: {
                      formatter:  '30.5%',//小数点后一位
                      textStyle: {
                        color: '#fe8b53',
                        fontSize: 18,
                        fontWeight: 'normal'
                      }
                    }
                  }
                }, {
                  tooltip: {show: false},
                  label: {
                    normal: {
                      formatter: '\n占有',
                      textStyle: {
                        color: '#bbeaf9',fontSize: 12
                      }
                    }
                  }
                }]
              }
  
            ]
          }
        )
      },
      initChart() {
        this.chart = echarts.init(this.$el)
        this.setOptions(this.chartData)
      },
  
    }
  }
  </script>