You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
ant-design-vue/components/cascader/demo/default-value.md

67 lines
1.2 KiB

<cn>
#### 默认值
默认值通过数组的方式指定。
</cn>
<us>
#### Default value
Specifies default value by an array.
</us>
```html
<template>
<a-cascader
:options="options"
@change="onChange"
:defaultValue="['zhejiang', 'hangzhou', 'xihu']"
/>
</template>
<script>
export default {
data() {
return {
options: [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
children: [
{
value: 'xihu',
label: 'West Lake',
},
],
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
children: [
{
value: 'zhonghuamen',
label: 'Zhong Hua Men',
},
],
},
],
},
],
};
},
methods: {
onChange(value) {
console.log(value);
},
},
};
</script>
```