Vue 过滤器filters

<template>
    <div>
        <h1>{{date | dateFormat}}</h1> 
    </div>
</template>
<script>
    import moment from ‘moment‘;
    import ‘moment/locale/zh-cn‘;
    moment.locale(‘zh-cn‘);
    export default {
        data() {
            return {
                date: new Date()
            }
        },
        filters: {
            dateFormat(val) {
                return moment(val).calendar();
            }
        }
    }
</script>