4dkankan-components/docs/examples-bk/autocomplete/autocomplete.vue

<template>
    <el-row class="demo-autocomplete text-center">
        <el-col :span="12">
            <div class="sub-title my-2 text-sm text-gray-600">list suggestions when activated</div>
            <el-autocomplete v-model="state1" :fetch-suggestions="querySearch" clearable class="inline-input w-50" placeholder="Please Input" @select="handleSelect" />
        </el-col>
        <el-col :span="12">
            <div class="sub-title my-2 text-sm text-gray-600">list suggestions on input</div>
            <el-autocomplete v-model="state2" :fetch-suggestions="querySearch" :trigger-on-focus="false" clearable class="inline-input w-50" placeholder="Please Input" @select="handleSelect" />
        </el-col>
    </el-row>
</template>

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

interface RestaurantItem {
    value: string
    link: string
}

const state1 = ref('')
const state2 = ref('')

const restaurants = ref<RestaurantItem[]>([])
const querySearch = (queryString: string, cb: any) => {
    const results = queryString ? restaurants.value.filter(createFilter(queryString)) : restaurants.value
    // call callback function to return suggestions
    cb(results)
}
const createFilter = (queryString: string) => {
    return (restaurant: RestaurantItem) => {
        return restaurant.value.toLowerCase().indexOf(queryString.toLowerCase()) === 0
    }
}
const loadAll = () => {
    return [
        { value: 'vue', link: 'https://github.com/vuejs/vue' },
        { value: 'element', link: 'https://github.com/ElemeFE/element' },
        { value: 'cooking', link: 'https://github.com/ElemeFE/cooking' },
        { value: 'mint-ui', link: 'https://github.com/ElemeFE/mint-ui' },
        { value: 'vuex', link: 'https://github.com/vuejs/vuex' },
        { value: 'vue-router', link: 'https://github.com/vuejs/vue-router' },
        { value: 'babel', link: 'https://github.com/babel/babel' },
    ]
}

const handleSelect = (item: RestaurantItem) => {
    console.log(item)
}

onMounted(() => {
    restaurants.value = loadAll()
})
</script>