js树形菜单动态绑数据代码

<template>
  <ul>
    <tree-node v-for="node in treeData" :key="node.id" :node="node"></tree-node>
  </ul>
</template>

<script>
import { defineComponent } from 'vue';

const TreeNode = defineComponent({
  name: 'TreeNode',
  props: {
    node: Object
  },
  template: `
    <li>
      {{ node.name }}
      <ul v-if="node.children && node.children.length">
        <tree-node v-for="child in node.children" :key="child.id" :node="child"></tree-node>
      </ul>
    </li>
  `
});

export default defineComponent({
  components: {
    TreeNode
  },
  data() {
    return {
      treeData: [
        {
          id: 1,
          name: 'Node 1',
          children: [
            { id: 2, name: 'Node 1.1' },
            { id: 3, name: 'Node 1.2', children: [{ id: 4, name: 'Node 1.2.1' }] }
          ]
        },
        {
          id: 5,
          name: 'Node 2',
          children: [{ id: 6, name: 'Node 2.1' }]
        }
      ]
    };
  }
});
</script>