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src/components/charts/pieChart.vue 2.35 KB
db11048f   阿宝   设备状态,学校管理
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  <template>
    <div class="chart" :id="id"></div>
  </template>
  
  <script>
  export default {
    name: "pieChart",
    props: {
      id: String,
      params: Array,
    },
    watch: {
      params: {
        handler: function (val) {
          if (val.length) {
            this.initData();
          }
        },
        deep: true,
      },
    },
    data() {
      return {
        chart: null,
      };
    },
    created() {},
    mounted() {
      this.initData();
    },
    methods: {
      setOption() {
        const that = this;
        let barStyle = {
          barGap: 0,
          barWidth: 16,
          emphasis: {
            focus: "series",
          },
          itemStyle: {
            borderRadius: [8, 8, 0, 0],
          },
        };
        const options = {
          color: this.colors || ["#ff80db", "#c8cc00", "#67c6b5"],
          backgroundColor: "#f8f8f8",
          tooltip: {
            trigger: "item",
            confine: true,
            formatter(v) {
              return `${v.marker} ${v.name}-${v.value}%`
            },
          },
          legend: {
            show: false,
            bottom: 40,
            left: 60,
            tight: 60,
            selectedMode: false,
            formatter: function (name) {},
            textStyle: {
              rich: {
                b: {
                  color: "#999",
                },
              },
            },
          },
          series: {
            type: "pie",
            center: ["50%", "50%"], // 位置
            radius: [0, "80%"],
            data: that.params,
            label: {
              normal: {
                formatter(v) {
                  return v.name + v.value + "%";
                },
              },
            },
            selectedMode: true,
            hoverAnimation: true,
            avoidLabelOverlap: true,
            animationType: "scale",
            animationEasing: "elasticOut",
            animationDelay() {
              return Math.random() * 100;
            },
          },
        };
        return options;
      },
      initData() {
        if (!this.chart) {
          const div = document.getElementById(this.id);
          this.chart = this.$echarts.init(div);
        }
        const options = this.setOption();
        this.chart?.clear();
        this.chart.setOption(options, true);
        this.chart.off("click");
        this.chart.on("click", "series", (params) => {
          this.$emit("clickPieChart", params);
        });
      },
    },
  };
  </script>
  
  <style lang="scss" scoped>
  .chart {
    height: 100%;
  }
  </style>