vue+elementUI表格关键字查询高亮

原文链接：https://blog.csdn.net/zuorishu/article/details/80899398

（ 橙色字体是关键代码）

代码：
< template >
    < div class= "" >
        < div class= "top" >
        <!-- 筛选 -->
            < div class= "screen" >
                < div style= "30%" >筛选： </ div >
                < el-input type= "search" v-model="search" style= "70%" placeholder= "请输入关键字" ></ el-input >
            </ div >
        </ div >
        <!-- 表格 -->
        < div class= "table" >
            < el-table
                :data="tables"
                style= " 100%"
                max-height= 500 >
            <!-- 地址 -->
                < el-table-column label= "时间" >
                    < template slot-scope= "scope" >    
                        < span class= "col-cont" v-html=" showDate( scope. row. date)" ></ span >
                    </ template >
                </ el-table-column >
                <!-- 用户名 -->
                < el-table-column label= "用户名" >
                    < template slot-scope= "scope" >
                        < span class= "col-cont" v-html=" showDate( scope. row. name)" ></ span >
                    </ template >
                </ el-table-column >
                <!-- 地址 -->
                < el-table-column label= "地址" >
                    < template slot-scope= "scope" >
                        < span class= "col-cont" v-html=" showDate( scope. row. address)" ></ span >
                    </ template >
                </ el-table-column >    
            </ el-table >
        </ div >
    </ div >
</ template >

< script >
    export default {
        data() {
            return {
                search: '',
                tableData: [{
                    date: '2016-05-02',
                    name: '张三',
                    address: '上海市普陀区金沙江路 1518 弄'
                }, {
                    date: '2016-05-04',
                    name: '李四',
                    address: '上海市普陀区金沙江路 1517 弄'
                }, {
                    date: '2016-05-01',
                    name: '王五',
                    address: '上海市普陀区金沙江路 1519 弄'
                }, {
                    date: '2016-05-03',
                    name: '赵六',
                    address: '上海市普陀区金沙江路 1516 弄'
                }]
            }
        },
        components: {},
        computed: {
        // 实时监听表格
            tables: function() {
                const search = this. search
                if (search) {
                    return this. tableData. filter( dataNews => {
                        return Object. keys(dataNews). some( key => {
                            return String(dataNews[key]). toLowerCase(). indexOf(search) > - 1
                        })
                    })
                }
                return this. tableData
            }
        },
        mounted() {},
        methods: {
            // 筛选变色
            showDate( val) {
                val = val + '';
                if ( val. indexOf( this. search) !== - 1 && this. search !== '') {
                    return val. replace( this. search, '<font color="#409EFF">' + this. search + '</font>')
                } else {
                    return val
                }
            }
        }
    }
</ script >