naive-ui/demo/documentation/components/cascader/enUS/single.md
2019-10-23 16:51:29 +08:00

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Markdown

# Single
```html
<n-cascader
v-model="value"
placeholder="Please Select Something"
:options="options"
:leaf-only="false"
/>
```
```js
function genOptions (depth = 3, iterator = 1, prefix = '') {
const length = 12
const options = []
for (let i = 1; i <= length; ++i) {
if (iterator === 1) {
options.push({
value: `${i}`,
label: `${i}`,
disabled: i % 5 === 0,
children: genOptions(depth, iterator + 1, '' + i)
})
} else if (iterator === depth) {
options.push({
value: `${prefix}-${i}`,
label: `${prefix}-${i}`,
disabled: i % 5 === 0
})
} else {
options.push({
value: `${prefix}-${i}`,
label: `${prefix}-${i}`,
disabled: i % 5 === 0,
children: genOptions(depth, iterator + 1, `${prefix}-${i}`)
})
}
}
return options
}
export default {
data () {
return {
value: null,
options: genOptions()
}
}
}
```