<docs>
---
order: 9
title:
  zh-CN: 自定义字段
  en-US: ReplaceFields
---

## zh-CN

替换treeNode中 title,key,children字段为treeData中对应的字段

## en-US

Replace the title,key and children fields in treeNode with the corresponding fields in treeData.

</docs>

<template>
  <a-tree
    v-model:expandedKeys="expandedKeys"
    v-model:selectedKeys="selectedKeys"
    v-model:checkedKeys="checkedKeys"
    checkable
    :tree-data="treeData"
    :field-names="fieldNames"
  >
    <template #title="{ name, key }">
      <span v-if="key === '0-0-1'" style="color: #1890ff">{{ name }}</span>
      <template v-else>{{ name }}</template>
    </template>
  </a-tree>
</template>
<script lang="ts" setup>
import { Ref, ref, watch } from 'vue';
import type { TreeProps } from 'ant-design-vue';
const expandedKeys = ref<string[]>(['0-0-0', '0-0-1']);
const selectedKeys = ref<string[]>(['0-0-0', '0-0-1']);
const checkedKeys = ref<string[]>(['0-0-0', '0-0-1']);

const fieldNames: TreeProps['fieldNames'] = {
  children: 'child',
  title: 'name',
};

const treeData: Ref<TreeProps['treeData']> = ref([
  {
    name: 'parent 1',
    key: '0-0',
    child: [
      {
        name: '张晨成',
        key: '0-0-0',
        disabled: true,
        child: [
          { name: 'leaf', key: '0-0-0-0', disableCheckbox: true },
          { name: 'leaf', key: '0-0-0-1' },
        ],
      },
      {
        name: 'parent 1-1',
        key: '0-0-1',
        child: [{ key: '0-0-1-0', name: 'zcvc' }],
      },
    ],
  },
]);
watch(expandedKeys, () => {
  console.log('expandedKeys', expandedKeys);
});
watch(selectedKeys, () => {
  console.log('selectedKeys', selectedKeys);
});
watch(checkedKeys, () => {
  console.log('checkedKeys', checkedKeys);
});
</script>
