Created
April 19, 2018 06:23
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js 时间格式化
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// value 可选 new Date、时间戳、"2016-08-05 14:22:09" 时间格式 | |
// fmt 可选 以下格式(以及位置调换) | |
// yyyy-MM-dd hh:mm:ss | |
// yyyy-MM-dd hh:mm:ss.S | |
// yyyy/MM/dd hh:mm:ss | |
// yyyy年MM月dd日 hh时mm分ss秒 | |
// yyyyMMddhhmmss | |
function formatDate (value, fmt) { | |
// let v = value.replace(/-/g, "/").substring(0, 19); | |
let date = new Date(value) | |
if (date === 'Invalid Date') { | |
date = new Date(parseFloat(value)) | |
} | |
if (!fmt) { | |
fmt = 'yyyy-MM-dd hh:mm:ss' | |
} | |
let o = { | |
'M+': date.getMonth() + 1, // 月份 | |
'd+': date.getDate(), // 日 | |
'h+': date.getHours(), // 小时 | |
'm+': date.getMinutes(), // 分 | |
's+': date.getSeconds(), // 秒 | |
'q+': Math.floor((date.getMonth() + 3) / 3), // 季度 | |
'S': date.getMilliseconds() // 毫秒 | |
} | |
if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length)) | |
for (let k in o) { | |
if (new RegExp('(' + k + ')').test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) : (('00' + o[k]).substr(('' + o[k]).length))) | |
} | |
return fmt | |
} |
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