element-plus/docs/examples/checkbox/intermediate.vue
sea ade87f6729
docs(examples): standardize unified code format and fix some type (#16370)
* docs: standardize unified example code format and fix some example type

* docs:  update some example type

* Update docs/examples/descriptions/sizes.vue

Co-authored-by: kooriookami <38392315+kooriookami@users.noreply.github.com>

* docs: update example-page-header

* docs: update example-page-header

---------

Co-authored-by: kooriookami <38392315+kooriookami@users.noreply.github.com>
2024-04-15 16:29:21 +08:00

37 lines
987 B
Vue

<template>
<el-checkbox
v-model="checkAll"
:indeterminate="isIndeterminate"
@change="handleCheckAllChange"
>
Check all
</el-checkbox>
<el-checkbox-group
v-model="checkedCities"
@change="handleCheckedCitiesChange"
>
<el-checkbox v-for="city in cities" :key="city" :label="city" :value="city">
{{ city }}
</el-checkbox>
</el-checkbox-group>
</template>
<script lang="ts" setup>
import { ref } from 'vue'
const checkAll = ref(false)
const isIndeterminate = ref(true)
const checkedCities = ref(['Shanghai', 'Beijing'])
const cities = ['Shanghai', 'Beijing', 'Guangzhou', 'Shenzhen']
const handleCheckAllChange = (val: boolean) => {
checkedCities.value = val ? cities : []
isIndeterminate.value = false
}
const handleCheckedCitiesChange = (value: string[]) => {
const checkedCount = value.length
checkAll.value = checkedCount === cities.length
isIndeterminate.value = checkedCount > 0 && checkedCount < cities.length
}
</script>