本文实例为大家分享了Vue实现搜索结果高亮显示关键字的具体代码，供大家参考，具体内容如下

1. 需要解决的问题

2. 具体代码

父组件代码

<template>
 <div>
 <div v-if="showMe">
 <div class="re_search">
 <svg @click="$router.go(-1)">
 <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#arrow-left.6f6409e" rel="external nofollow" ></use>
 </svg>
 <input type="search" v-model="search_text" class="v-md" placeholder="请输入商品名称" @keydown.enter="search_method">
 </div>
 <OneBusiness v-for="(item, n) in search_res" :key="n" :item="item" :search_text="search_text"></OneBusiness>
 </div>
 <!--<!– 撑开Fixednav挡住的位置 –>-->
 <div class="space"></div>
 <!-- 固定导航栏 -->
 </div>
</template>

<script>
import { mapGetters } from 'vuex';
import OneBusiness from './small_components/One_business';
import {getSearchData} from 'src/service/getData'


export default {
 name: 'search',
 data () {
 return {
 showMe: false,
 search_text: '', // 搜索框内容
 search_res: [] // 搜索结果
 };
 },
 mounted () {
 this.$store.dispatch('setLoading', true);
 // 模拟加载
 var time = Math.floor(Math.random() * 2000);
 console.log('模拟加载用时' + time);
 setTimeout(() => {
 this.$store.dispatch('setLoading', false);
 this.showMe = true;
 }, time);
 this.search_method();
 },
 computed: {
 ...mapGetters([
 'getFalseBussinessbrief' // 商家简略信息
 ])
 },
 methods: {
 async search_method () {

 var mainWord = this.$route.params.keyword;
 if (this.search_text !== '' && this.search_text !== this.$route.params.keyword) {
 mainWord = this.search_text;
 }
 this.search_text = mainWord;
 this.search_res = (await getSearchData(this.search_text)).obj.results;
 console.log(this.search_res);
 }
 },
 components: {
 OneBusiness
 }
};
</script>

<style lang="less" scoped>
.re_search{
 background:#0096ff;
 line-height:0;
 padding: .2rem;
 svg{
 width:.6rem;
 height:.6rem;
 }
 input[type="search"]{
 display:inline-block;
 height:.9rem;
 width:8rem;
 outline: none;
 border: none;
 border-radius:.45rem;
 background:#f2f2f2;
 box-sizing: border-box;
 padding: 0 .5rem;
 font-size:.4rem;
 }
}
</style>

子组件代码

<template>
 <!-- 列表单个商家 -->
 <section class="tj_business" >
 <section class="one_business clear">
 <div class="business_img">
 <img src="../../images/guozhao.png" alt="">
 </div>
 <div class="business_info">
 <section class="business_name clear">
 <router-link :to="'/business/' + item.classNum">
 <h3 class="fl ell"><span v-if="item.className">大类</span>第{{item.classNum}}类{{ item.className }}</h3>
 </router-link>
 <div class="name_icon fr">
 <div class="code_num fr">
 <svg @click="add_cart(item.id)" style=" width: .5rem; height: .5rem;">
 <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#cart-minus" rel="external nofollow" ></use>
 </svg>
 </div>
 </div>
 </section>
 <section class="business_code clear">
 <div class="code_num fl">
 <!--<svg class="v-md">-->
 <!--<use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#rating-star" rel="external nofollow" ></use>-->
 <!--</svg>-->
 <span class="v-md">【{{item.parentNum}}组】{{ item.groupName }}</span>
 </div>
 <div class="code_icon fr">
 </div>
 </section>
 <section class="business_other clear">
 <div class="other_price fl">
 <span class="com_gray1" v-html="ruleTitle"></span>
 <span>/</span>
 <span class="com_gray1">{{ item.number }}</span>
 </div>
 <div class="other_dis fr">
 </div>
 </section>
 </div>
 </section>

 </section>

</template>

<script>
 import {
 addMyshopcart,
 } from 'src/service/getData'

 export default {
 name: 'one_business',
 props: {
 search_text:String,
 item:{}
 },
 data () {
 return {
 msg: '1'

 };
 },
 mounted () {

 },
 computed: {
 isLogin () {
 return this.$store.getters.getLogin;
 },
 ruleTitle() {
 let titleString = this.item.gname;
 if (!titleString) {
 return '';
 }
 if (this.search_text && this.search_text.length > 0) {
 // 匹配关键字正则
 let replaceReg = new RegExp(this.search_text, 'g');
 // 高亮替换v-html值
 let replaceString = '<span class="search-text">' + this.search_text + '</span>';
 // 开始替换
 titleString = titleString.replace(replaceReg, replaceString);
 }
 return titleString;
 }
 },
 methods: {
 async add_cart(id){
 if (!this.isLogin) {
 this.$router.replace('/login');
 } else {
 var userId = this.$store.getters.getuname;
 var result = await addMyshopcart(id, userId)
 console.log(result.resMsg)

 if (result.res === 1) {
 this.$router.replace('/ShopCart/' + userId);
 } else {
 alert(result.resMsg)
 }
 }
 }
 }

 };
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style lang="less">
 @baseBlue: #0096ff;
 @com_gray1: #666;
 @com_gray2: #999;
.search-text{
 color: #52250a;
 background: #ffd930;
 font-size: .2rem;
 padding: .02rem;
 border-radius: 2px;
 vertical-align: top;
 margin-right: .04rem;
}


 .com_gray1 {
 color: @com_gray1;
 }

 .com_gray2 {
 color: @com_gray2;
 }

 .com_blue {
 color: @baseBlue;
 }

 /* 单个商家 */
 .one_business {
 background: #fff;

 .business_img {
 width: 1.6rem;
 height: 1.6rem;
 padding: 0.4rem;
 float: left;
 img {
 width: 100%;
 height: 100%;
 }
 }
 .business_info {
 float: right;
 width: 7.4rem;
 height: 1.6rem;
 padding: 0.4rem .2rem .4rem 0;
 .business_name {
 font-size: .35rem;
 line-height: .45rem;
 vertical-align: top;
 h3 {
 width: 5rem;
 display: inline-block;
 /*span {*/
 /*color: #52250a;*/
 /*background: #ffd930;*/
 /*font-size: .2rem;*/
 /*padding: .02rem;*/
 /*border-radius: 2px;*/
 /*vertical-align: top;*/
 /*margin-right: .04rem;*/
 /*}*/
 }
 .bzp {
 width: .3rem;
 height: .3rem;
 font-size: .26rem;
 text-align: center;
 line-height: .3rem;
 display: inline-block;
 color: @com_gray2;
 border: 0.01rem solid #ddd;
 padding: 0.01rem;
 border-radius: 3px;
 i {
 font-style: normal;
 }

 }
 }
 .business_code, .business_other {
 font-size: .25rem;
 margin-top: .3rem;
 line-height: .25rem;
 }

 }
 .code_num {
 svg {
 width: .3rem;
 height: .3rem;
 fill: #ffaa0c;
 }
 }
 .zsd {
 font-size: .25rem;
 height: .35rem;
 line-height: .3rem;
 padding: 0 0.05rem;
 display: inline-block;
 color: @baseBlue;
 background: #fff;
 border: 0.01rem solid @baseBlue;
 box-sizing: border-box;
 border-radius: 3px;
 }
 .fnzs {
 font-size: .25rem;
 height: .35rem;
 padding: 0 0.05rem;
 line-height: .3rem;
 display: inline-block;
 background: @baseBlue;
 color: #fff;
 border: 0.01rem solid @baseBlue;
 box-sizing: border-box;
 border-radius: 3px;
 }
 }
</style>