4dkankan-components/docs/examples-bk/checkbox/limitation.vue

<template>
    <el-checkbox-group v-model="checkedCities" :min="1" :max="2">
        <el-checkbox v-for="city in cities" :key="city" :label="city">{{ city }}</el-checkbox>
    </el-checkbox-group>
</template>

<script lang="ts" setup>
import { ref } from 'vue'

const checkedCities = ref(['Shanghai', 'Beijing'])
const cities = ['Shanghai', 'Beijing', 'Guangzhou', 'Shenzhen']
</script>