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ant-design-vue/components/select/demo/custom-dropdown-menu.vue

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<docs>
---
order: 13
title:
zh-CN: 扩展菜单
en-US: Custom dropdown
---
## zh-CN
使用 `dropdownRender` 对下拉菜单进行自由扩展
## en-US
Customize the dropdown menu via `dropdownRender`.
</docs>
<template>
<a-select
v-model:value="value"
style="width: 120px"
:options="items.map(item => ({ value: item }))"
>
<template #dropdownRender="{ menuNode: menu }">
<v-nodes :vnodes="menu" />
<a-divider style="margin: 4px 0" />
<div
style="padding: 4px 8px; cursor: pointer"
@mousedown="e => e.preventDefault()"
@click="addItem"
>
<plus-outlined />
Add item
</div>
</template>
</a-select>
</template>
<script lang="ts">
import { PlusOutlined } from '@ant-design/icons-vue';
import { defineComponent, ref } from 'vue';
let index = 0;
export default defineComponent({
components: {
PlusOutlined,
VNodes: (_, { attrs }) => {
return attrs.vnodes;
},
},
setup() {
const items = ref(['jack', 'lucy']);
const value = ref('lucy');
const addItem = () => {
console.log('addItem');
items.value.push(`New item ${index++}`);
};
return {
items,
value,
addItem,
};
},
});
</script>