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src/components/charts/barChart.vue 2.71 KB
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  <template>
    <div class="chart" :id="id"></div>
  </template>
  
  <script>
  export default {
    name: "barChart",
    props: {
      id: String,
      params: Array,
      xAxis: Array,
    },
    watch: {
      params: {
        handler: function (val) {
          this.initData();
        },
        deep: true,
      },
    },
    data() {
      return {
        chart: null,
      };
    },
    created() {},
    mounted() {
      // this.initData();
    },
    methods: {
      setOption(xAxis,params) {
        const that = this;
        const options = {
          color: this.colors || ["#4472c4", "#ed7d32", "#a5a5a5"],
          backgroundColor: "#f8f8f8",
          tooltip: {
            trigger: "axis",
            axisPointer: {
              type: "shadow",
            },
          },
          legend: {
            show: true,
            top: 20,
            itemHeight: 2,
          },
          toolbox: {
            show: true,
            orient: "vertical",
            right: "6",
            top: "10",
            feature: {
              magicType: { show: true, type: ["line", "bar", "stack"] },
              saveAsImage: { show: true },
            },
          },
          xAxis: {
            type: "category",
            axisLine: { show: true, lineStyle: { color: "#e2e2e2" } },
            axisLabel: { color: "#666" },
            axisTick: { show: false },
            boundaryGap: true,
            data: xAxis,
          },
          yAxis: {
            type: "value",
            axisLine: { show: true, lineStyle: { color: "#e2e2e2" } },
            splitLine: {
              show: true,
              lineStyle: { color: "#eee" },
            },
            axisLabel: {
              color: "#666",
              formatter: function (value, index) {
                if (value != 0) {
                  return value;
                } else {
                  return "";
                }
              },
            },
          },
          grid: {
            top: 60,
            left: 20,
            right: 40,
            bottom: 30,
            containLabel: true,
          },
          series: params.map((item) => {
            return {
              name: item.name,
              type: "bar",
              symbolSize: "8",
              barWidth: 20,
              itemStyle: {
                borderRadius: [20, 20, 0, 0],
              },
              lineStyle: {
                width: 3,
              },
              data: item.value,
            };
          }),
        };
        return options;
      },
      initData(xAxis,params) {
        if (!xAxis.length) return;
        if (!this.chart) {
          const div = document.getElementById(this.id);
          this.chart = this.$echarts.init(div);
        }
        const options = this.setOption(xAxis,params);
        this.chart?.clear();
        this.chart.setOption(options, true);
      },
    },
  };
  </script>
  
  <style lang="scss" scoped>
  .chart {
    height: 100%;
  }
  </style>