element-plus/docs/examples/tree/checking-tree.vue
C.Y.Kun 575835a2f8
docs(components): use script setup replace defineComponent (#4849)
* docs(components): use `script setup` replace `defineComponent`

* docs(components): use setup sugar simplify `checkbox` demo

* docs(components): use setup sugar simplify `collapse` demo

* docs(components): use setup sugar simplify `color-picker` demo

* docs(components): use setup sugar simplify `config-provider` demo

* docs(components): use setup sugar simplify `container` demo

* docs(components): use setup sugar simplify `date-picker` demo

* docs(components): use setup sugar simplify `datetime-picker` demo

* docs(components): use setup sugar simplify `dialog` demo

* docs(components): use setup sugar simplify `drawer` demo

* docs(components): use setup sugar simplify `dropdown` demo

* docs(components): use setup sugar simplify `image` demo

* docs(components): use setup sugar simplify `infinite-scroll` demo

* docs(components): use setup sugar simplify `input-number` demo

* docs(components): use setup sugar simplify `loading` demo

* docs(components): use setup sugar simplify `menu` demo

* docs(components): use setup sugar simplify `message` demo

* docs(components): use setup sugar simplify `message-box` demo

* docs(components): use setup sugar simplify `notification` demo

* docs(components): use setup sugar simplify `page-header` demo

* docs(components): use setup sugar simplify `pagination` demo

* docs(components): use setup sugar simplify `popover` demo

* docs(components): use setup sugar simplify `progress` demo

* docs(components): use setup sugar simplify `radio` demo

* docs(components): use setup sugar simplify `rate` demo

* docs(components): use setup sugar simplify `scrollbar` demo

* docs(components): use setup sugar simplify `select` demo

* docs(components): use setup sugar simplify `select-v2` demo

* docs(components): use setup sugar simplify `skeleton` demo

* docs(components): use setup sugar simplify `slider` demo

* docs(components): use setup sugar simplify `space` demo

* docs(components): use setup sugar simplify `step` demo

* docs(components): use setup sugar simplify `switch` demo

* docs(components): use setup sugar simplify `tabs` demo

* docs(components): use setup sugar simplify `tag` demo

* docs(components): use setup sugar simplify `time-picker` demo

* docs(components): use setup sugar simplify `time-select` demo

* docs(components): use setup sugar simplify `timeline` demo

* docs(components): use setup sugar simplify `tooltip` demo

* docs(components): use setup sugar simplify `transfer` demo

* docs(components): use setup sugar simplify `transition` demo

* docs(components): use setup sugar simplify `tree` demo

* docs(components): use setup sugar simplify `table` demo

* docs(components): Escape character

* docs(components): use setup sugar simplify `tree-v2` demo

* docs(components): use setup sugar simplify `upload` demo

* docs(components): use `ref` to replace `reactive`

* docs(ci): use `playground` to replace `codepen`

* docs(ci): change icon from `codepen`  to `ep`

* docs(components): `sass` to `css`

* fix(components): add button CssVar

* docs(ci): change `Edit in Codepen.io` to `Edit in Playground`

* docs(ci): add vitepress i18
2021-12-21 15:51:33 +08:00

118 lines
2.2 KiB
Vue

<template>
<el-tree
ref="treeRef"
:data="data"
show-checkbox
default-expand-all
node-key="id"
highlight-current
:props="defaultProps"
/>
<div class="buttons">
<el-button @click="getCheckedNodes">get by node</el-button>
<el-button @click="getCheckedKeys">get by key</el-button>
<el-button @click="setCheckedNodes">set by node</el-button>
<el-button @click="setCheckedKeys">set by key</el-button>
<el-button @click="resetChecked">reset</el-button>
</div>
</template>
<script lang="ts" setup>
import { ref } from 'vue'
import type { ElTree } from 'element-plus'
import type Node from 'element-plus/es/components/tree/src/model/node'
interface Tree {
id: number
label: string
children?: Tree[]
}
const treeRef = ref<InstanceType<typeof ElTree>>()
const getCheckedNodes = () => {
console.log(treeRef.value!.getCheckedNodes(false, false))
}
const getCheckedKeys = () => {
console.log(treeRef.value!.getCheckedKeys(false))
}
const setCheckedNodes = () => {
treeRef.value!.setCheckedNodes(
[
{
id: 5,
label: 'Level two 2-1',
},
{
id: 9,
label: 'Level three 1-1-1',
},
] as Node[],
false
)
}
const setCheckedKeys = () => {
treeRef.value!.setCheckedKeys([3], false)
}
const resetChecked = () => {
treeRef.value!.setCheckedKeys([], false)
}
const defaultProps = {
children: 'children',
label: 'label',
}
const data: Tree[] = [
{
id: 1,
label: 'Level one 1',
children: [
{
id: 4,
label: 'Level two 1-1',
children: [
{
id: 9,
label: 'Level three 1-1-1',
},
{
id: 10,
label: 'Level three 1-1-2',
},
],
},
],
},
{
id: 2,
label: 'Level one 2',
children: [
{
id: 5,
label: 'Level two 2-1',
},
{
id: 6,
label: 'Level two 2-2',
},
],
},
{
id: 3,
label: 'Level one 3',
children: [
{
id: 7,
label: 'Level two 3-1',
},
{
id: 8,
label: 'Level two 3-2',
},
],
},
]
</script>