pbl-teacher-table/src/components/pages/dataBoardNew/school/courseNum/index.vue

<template>
  <div class="data_body">
    <div style="width: 100%; height: 100%">
      <div
        id="charts_canvas"
        class="echart"
        style="width: 100%; height: 100%"
      ></div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      chartObj: null,
      ooption: {
        xdata: [],
        type: [],
      },
      option: {
        tooltip: {
          trigger: "item",
        },
        xAxis: {
          type: "category",
          data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
        },
        yAxis: {
          type: "value",
        },
        series: [
          {
            data: [120, 200, 150, 80, 70, 110, 130],
            type: "bar",
          },
        ],
      },
    };
  },
  methods: {
    setChart() {
      // 雷达图显示的标签
      let newPromise = new Promise((resolve) => {
        resolve();
      });
      //然后异步执行echarts的初始化函数
      newPromise.then(() => {
        const chartObj = this.$echarts.init(
          this.$el.querySelector("#charts_canvas")
        );
        // 初始化雷达图
        this.chartObj = chartObj;
        this.chartObj.setOption(this.option);
      });
    },
  },
  watch: {},
  mounted() {
    this.setChart();
    var _this = this;
    window.addEventListener("resize", () => {
      if (_this.chartObj) {
        _this.chartObj.resize();
      }
    });
  },
};
</script>

<style scoped>
.data_body {
  height: 100%;
  /* display: flex; */
  position: relative;
  border-radius: 5px;
  /* border: 1px solid #eee; */
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0;
  width: 95%;
  background: #fff;
}
</style>