ant-design-vue/antdv-demo/docs/tree-select/demo/checkable.md

#### 可勾选 使用勾选框实现多选功能。 #### Checkable Multiple and checkable.

<template>
  <a-tree-select
    v-model="value"
    style="width: 100%"
    :tree-data="treeData"
    tree-checkable
    :show-checked-strategy="SHOW_PARENT"
    search-placeholder="Please select"
  />
</template>

<script>
import { TreeSelect } from 'ant-design-vue';
const SHOW_PARENT = TreeSelect.SHOW_PARENT;

const treeData = [
  {
    title: 'Node1',
    value: '0-0',
    key: '0-0',
    children: [
      {
        title: 'Child Node1',
        value: '0-0-0',
        key: '0-0-0',
      },
    ],
  },
  {
    title: 'Node2',
    value: '0-1',
    key: '0-1',
    children: [
      {
        title: 'Child Node3',
        value: '0-1-0',
        key: '0-1-0',
        disabled: true,
      },
      {
        title: 'Child Node4',
        value: '0-1-1',
        key: '0-1-1',
      },
      {
        title: 'Child Node5',
        value: '0-1-2',
        key: '0-1-2',
      },
    ],
  },
];
export default {
  data() {
    return {
      value: ['0-0-0'],
      treeData,
      SHOW_PARENT,
    };
  },
};
</script>