js 时间格式化

function formatDate(date, formatStr) {

 ?if (!date) {
 ???return ‘‘
 ?}
 ?date = new Date(date)
 ?function $addZero(v, size) {
 ???for (var i = 0, len = size - (v + "").length; i < len; i++) {
 ?????v = "0" + v;
 ???}
 ???;
 ???return v + "";
 ?}

 ?//格式化时间
 ?var arrWeek = [‘日‘, ‘一‘, ‘二‘, ‘三‘, ‘四‘, ‘五‘, ‘六‘],
 ???str = formatStr
 ?????.replace(/yyyy|YYYY/, date.getFullYear())
 ?????.replace(/yy|YY/, $addZero(date.getFullYear() % 100, 2))
 ?????.replace(/mm|MM/, $addZero(date.getMonth() + 1, 2))
 ?????.replace(/m|M/g, date.getMonth() + 1)
 ?????.replace(/dd|DD/, $addZero(date.getDate(), 2))
 ?????.replace(/d|D/g, date.getDate())
 ?????.replace(/hh|HH/, $addZero(date.getHours(), 2))
 ?????.replace(/h|H/g, date.getHours())
 ?????.replace(/ii|II/, $addZero(date.getMinutes(), 2))
 ?????.replace(/i|I/g, date.getMinutes())
 ?????.replace(/ss|SS/, $addZero(date.getSeconds(), 2))
 ?????.replace(/s|S/g, date.getSeconds())
 ?????.replace(/w/g, date.getDay())
 ?????.replace(/W/g, arrWeek[date.getDay()]);
 ?return str;
},

formatDate(time, ‘YYYY-MM-DD hh:ii‘)