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

<template>
    <el-autocomplete v-model="state" :fetch-suggestions="querySearch" popper-class="my-autocomplete" placeholder="Please input" @select="handleSelect">
        <template #suffix>
            <el-icon class="el-input__icon" @click="handleIconClick">
                <edit />
            </el-icon>
        </template>
        <template #default="{ item }">
            <div class="value">{{ item.value }}</div>
            <span class="link">{{ item.link }}</span>
        </template>
    </el-autocomplete>
</template>

<script lang="ts" setup>
import { onMounted, ref } from 'vue'
import { Edit } from '@element-plus/icons-vue'

interface LinkItem {
    value: string
    link: string
}

const state = ref('')
const links = ref<LinkItem[]>([])

const querySearch = (queryString: string, cb) => {
    const results = queryString ? links.value.filter(createFilter(queryString)) : links.value
    // call callback function to return suggestion objects
    cb(results)
}
const createFilter = queryString => {
    return restaurant => {
        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: LinkItem) => {
    console.log(item)
}

const handleIconClick = (ev: Event) => {
    console.log(ev)
}

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

<style>
.my-autocomplete li {
    line-height: normal;
    padding: 7px;
}
.my-autocomplete li .name {
    text-overflow: ellipsis;
    overflow: hidden;
}
.my-autocomplete li .addr {
    font-size: 12px;
    color: #b4b4b4;
}
.my-autocomplete li .highlighted .addr {
    color: #ddd;
}
</style>