SOURCE

const { createApp, ref, onMounted } = Vue;
createApp({
  setup() {
    const wordCloudRef = ref(null);
    onMounted(() => {
      const myChart = echarts.init(wordCloudRef.value);
      // ... 原代码逻辑
    });
    return { wordCloudRef };
  }
}).mount('#app');

<!-- 添加在 head 区域 -->
<!-- 生产版本（无警告） -->
<script src="https://cdn.jsdelivr.net/npm/vue@3.2.37/dist/vue.global.prod.js"></script>
<script src="https://cdn.jsdelivr.net/npm/echarts@5.4.2/dist/echarts.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/echarts-wordcloud@2.0.0/dist/echarts-wordcloud.min.js"></script>


<div id="app">
  <div ref="wordCloudRef" style="width:600px;height:400px;"></div>
</div>