function方法
DateFormat (value) {
var padDate = function (value) { return value < 10 ? '0' + value : value }
var date = new Date(value);
var year = date.getFullYear();
var month = padDate(date.getMonth() + 1);
var day = padDate(date.getDate());
var hour = padDate(date.getHours());
var min = padDate(date.getMinutes());
var sec = padDate(date.getSeconds());
return `${year}-${month}-${day} ${hour}:${min}:${sec}`;
},
html5中显示格式
<el-table-column label="编制时间" prop="createTime" :show-overflow-tooltip="true" align="center" >
<template v-slot="{ row }">
{
{ DateFormat(row.createTime) }}
</template>
</el-table-column>
也可以使用day.js 或者moment.js 来处理