原本的目录结构：

右键菜单：

点击菜单以后会触发回调：

完整的前端代码：

<template>
  <a-directory-tree
      v-model:expandedKeys="expandedKeys"
      v-model:selectedKeys="selectedKeys"
      multiple
      show-line
      :tree-data="treeData"
  >
    <template #title="{ key: treeKey, title }">
      <a-dropdown :trigger="['contextmenu']">
        <span>{{ title }}</span>
        <template #overlay>
          <a-menu @click="({ key: menuKey }) => onContextMenuClick(treeKey, menuKey)">
            <a-menu-item key="1">1st menu item</a-menu-item>
            <a-menu-item key="2">2nd menu item</a-menu-item>
            <a-menu-item key="3">3rd menu item</a-menu-item>
          </a-menu>
        </template>
      </a-dropdown>
    </template>
  </a-directory-tree>
</template>
<script setup>
import {ref} from 'vue';

const expandedKeys = ref(['0-0', '0-1']);
const selectedKeys = ref([]);
const treeData = [
  {
    title: 'parent 0',
    key: '0-0',
    children: [
      {
        title: 'leaf 0-0',
        key: '0-0-0',
        isLeaf: true,
      },
      {
        title: 'leaf 0-1',
        key: '0-0-1',
        isLeaf: true,
      },
    ],
  },
  {
    title: 'parent 1',
    key: '0-1',
    children: [
      {
        title: 'leaf 1-0',
        key: '0-1-0',
        isLeaf: true,
      },
      {
        title: 'leaf 1-1',
        key: '0-1-1',
        isLeaf: true,
      },
    ],
  },
];

const onContextMenuClick = (treeKey, menuKey) => {
  console.log(treeKey, menuKey)
}
</script>