vue3 使用ref获取Dom元素

1 <div ref="dom"></div>
2 
3 this.$refs.dom

 1 <template>
 2   <div :ref="dom">DOM元素</div>
 3 </template>
 4 
 5 <script>
 6 import { nextTick } from ‘vue‘;
 7 export default {
 8   setup() {
 9     let refs = ‘‘;
10 
11     const dom = el => {
12       refs= el;
13     }
14 
15     nextTick(() => {
16       console.log(refs);
17     })
18     return {
19       dom
20     };
21   }
22 };
23 </script>