Comment utiliser Vue et ECharts4Taro3 pour créer un effet de graphique cloud pour la visualisation de données multidimensionnelles

<template>
  <div class="cloud-map">
    <ec-canvas id="chart" canvas-id="chart-1"></ec-canvas>
  </div>
</template>

<script>
  import { ecBehavior } from 'echarts/dist/ec-taro3.umd.min.js';

  export default {
    data() {
      return {
        ec: {
          onInit: null
        }
      }
    },
    mounted() {
      this.ec.onInit = ecBehavior((canvas, width, height, dpr) => {
        const chart = echarts.init(canvas, null, {
          width: width,
          height: height,
          devicePixelRatio: dpr
        });
        chart.setOption(this.getOption());

        return chart;
      });
    },
    methods: {
      getOption() {
        // 在这里编写ECharts的配置项和数据
        return {
          // ...
        }
      }
    }
  }
</script>

<style>
  .cloud-map {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
</style>

getOption() {
  return {
    series: [{
      type: 'wordCloud',
      sizeRange: [12, 60],
      rotationRange: [-90, 90],
      textStyle: {
        normal: {
          fontFamily: 'sans-serif',
          fontWeight: 'bolder',
          color: function () {
            return 'rgb(' + [
              Math.round(Math.random() * 160),
              Math.round(Math.random() * 160),
              Math.round(Math.random() * 160)
            ].join(',') + ')';
          }
        }
      },
      data: [
        { name: 'Vue', value: 10000 },
        { name: 'ECharts', value: 6181 },
        { name: 'Taro', value: 4386 },
        // ...
      ]
    }]
  }
}

<template>
  <div class="app">
    <cloud-map></cloud-map>
  </div>
</template>

<script>
  import CloudMap from './CloudMap.vue';

  export default {
    components: {
      CloudMap
    }
  }
</script>

<style>
  .app {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
</style>