element-plus/docs/examples/tree-v2/selectable.vue
2022-03-13 16:16:11 -04:00

46 lines
968 B
Vue

<template>
<el-tree-v2 :data="data" :props="props" show-checkbox :height="208" />
</template>
<script lang="ts" setup>
interface Tree {
id: string
label: string
children?: Tree[]
}
const getKey = (prefix: string, id: number) => {
return `${prefix}-${id}`
}
const createData = (
maxDeep: number,
maxChildren: number,
minNodesNumber: number,
deep = 1,
key = 'node'
): Tree[] => {
let id = 0
return Array.from({ length: minNodesNumber })
.fill(deep)
.map(() => {
const childrenNumber =
deep === maxDeep ? 0 : Math.round(Math.random() * maxChildren)
const nodeKey = getKey(key, ++id)
return {
id: nodeKey,
label: nodeKey,
children: childrenNumber
? createData(maxDeep, maxChildren, childrenNumber, deep + 1, nodeKey)
: undefined,
}
})
}
const props = {
value: 'id',
label: 'label',
children: 'children',
}
const data = createData(4, 30, 40)
</script>