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src/components/charts/lineChart.vue 2.21 KB
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  <template>
    <div class="chart" :id="id"></div>
  </template>
  
  <script>
  export default {
    name: "lineChart",
    props: {
      id: String,
      params: Array,
      xAxis: 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;
        const options = {
          color: this.colors || ["#4472c4", "#ed7d32", "#a5a5a5"],
          backgroundColor: "#fff",
          tooltip: {
            trigger: "item",
            confine: true,
          },
          legend: {
            show: true,
            bottom: 0,
            itemHeight: 2,
          },
          xAxis: {
            type: "category",
            data: this.xAxis,
            axisLine: { show: true, lineStyle: { color: "#e2e2e2" } },
            axisTick: {
              show: false,
            },
            axisLabel: {
              color: "#666",
            },
          },
          yAxis: {
            type: "value",
            axisLine: { show: false },
            splitLine: {
              show: true,
            },
            axisLabel: {
              color: "#666",
            },
          },
          grid: {
            top:28,
            left: "10%",
            right: "10%",
            bottom: 30,
            containLabel: true,
          },
          series: that.params.map((item) => {
            return {
              name: item.name,
              type: "line",
              symbol: "circle",
              symbolSize: "8",
              lineStyle: {
                width: 3,
              },
              data: item.value,
            };
          }),
        };
        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>