ant-design-vue/components/cascader/demo/search.md

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<cn>
#### 搜索
可以直接搜索选项并选择。
> `Cascader[showSearch]` 暂不支持服务端搜索,更多信息见 [#5547](https://github.com/ant-design/ant-design/issues/5547)
</cn>
<us>
#### Search
Search and select options directly.
> Now, `Cascader[showSearch]` doesn't support search on server, more info [#5547](https://github.com/ant-design/ant-design/issues/5547)
</us>
```html
<template>
<a-cascader :options="options" :showSearch="true" @change="onChange" placeholder="Please select" />
</template>
<script>
export default {
data() {
return {
options: [{
value: 'zhejiang',
label: 'Zhejiang',
children: [{
value: 'hangzhou',
label: 'Hangzhou',
children: [{
value: 'xihu',
label: 'West Lake',
}, {
value: 'xiasha',
label: 'Xia Sha',
disabled: true,
}],
}],
}, {
value: 'jiangsu',
label: 'Jiangsu',
children: [{
value: 'nanjing',
label: 'Nanjing',
children: [{
value: 'zhonghuamen',
label: 'Zhong Hua men',
}],
}],
}]
}
},
methods: {
onChange(value, selectedOptions) {
console.log(value, selectedOptions);
}
}
}
</script>
```