<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>显示当前时间
</title>
</head>
<body>
<div id="app">
{{date | formatDate}}
</div>
<script src="https://unpkg.com/vue/dist/vue.min.js"></script>
<script>
// 在月份、日期、小时等小于10时前补0
var padDate = function(value){
return value < 10 ? '0'+ value : value;
};
var app = new Vue({
el:'#app',
data:{
date: new Date()
},
filters:{
formatDate:function(value){// 这里的value就是需要过滤的数据
var date = new Date(value);
var year = date.getFullYear();
var month = padDate(date.getMonth()+1);
var day = padDate(date.getDate());
var hours = padDate(date.getHours());
var minutes = padDate(date.getMinutes());
var seconds = padDate(date.getSeconds());
// 将整理好的数据返回出去
return year+'-'+month+'-'+day+' '+hours+':'+minutes+':'+seconds;
}
},
mounted:function(){
var _this = this;//声明一个变量指向Vue实例this，保证作用域一致
this.timer = setInterval(function(){
_this.date = new Date();// 修改数据date
},1000);
},
beforeDestroy:function(){
if(this.timer){
clearInterval(this.timer);// 在Vue实例销毁前，清除我的的定时器
}
}
})
</script>
</body>
</html>
转载于:https://www.cnblogs.com/sunxun001/p/10604577.html
