<div id='app'><p>当前时间为：{{time|formatDate('xxxx-mm-dd')}}</p></div><script src='js/vue.js'></script><script>Vue.filter("formatDate", function (value, str) {let dt = new Date(value)let year = (dt.getFullYear() + "").padStart(2, "0")let month = (dt.getMonth() + 1 + "").padStart(2, "0")let date = (dt.getDate() + "").padStart(2, "0")let hours = (dt.getHours() + "").padStart(2, "0")let minutes = (dt.getMinutes() + "").padStart(2, "0")let seconds = (dt.getSeconds() + "").padStart(2, "0")if (str == "xxxx-mm-dd") {return `${year}-${month}-${date}`} else {return `${year}-${month}-${date}-${hours}:${minutes}:${seconds}`}})let vm = new Vue({el: '#app',data: {time: Date.now()}})</script>
