vue-vben-admin/src/views/demo/tree/index.vue

<template>
  <PageWrapper title="Tree基础示例">
    <div class="flex">
      <BasicTree :treeData="treeData" title="基础示例" class="w-1/3" />

      <BasicTree :treeData="treeData" title="可勾选" :checkable="true" class="w-1/3 mx-4" />

      <BasicTree
        title="默认展开/勾选示例"
        :treeData="treeData"
        :checkable="true"
        :expandedKeys="['0-0']"
        :checkedKeys="['0-0']"
        class="w-1/3"
      />
    </div>
  </PageWrapper>
</template>
<script lang="ts">
  import { defineComponent } from 'vue';
  import { BasicTree } from '/@/components/Tree/index';
  import { treeData } from './data';
  import { PageWrapper } from '/@/components/Page';

  export default defineComponent({
    components: { BasicTree, PageWrapper },
    setup() {
      return { treeData };
    },
  });
</script>