时间戳转换时间格式
// 时间戳转任意时间格式 调用方法=> this.getDate(1626137166000, 'm-d H:i') this.getDate(1626137166000) 等等
getDate: function (date, format) {
date = date || new Date()
format = format || 'Y-m-d H:i:s'
return this.format(format, this.beginOfDate(date).getTime() / 1000)
},
format: function (format, timestamp) {
let that = this;
let jsdate, f;
let txt_words = [
'Sun', 'Mon', 'Tues', 'Wednes', 'Thurs', 'Fri', 'Satur',
'January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December'
];
let formatChr = /\\?(.?)/gi;
let formatChrCb = function (t, s) {
return f[t] ? f[t]() : s
};
let _pad = function (n, c) {
n = String(n);
while (n.length < c) {
n = '0' + n
}
return n
};
f = {
d: function () {
return _pad(f.j(), 2)
},
D: function () {
return f.l()
.slice(0, 3)
},
j: function () {
return jsdate.getDate()
},
l: function () {
return txt_words[f.w()] + 'day'
},
N: function () {
return f.w() || 7
},
S: function () {
let j = f.j();
let i = j % 10;
if (i <= 3 && parseInt((j % 100) / 10, 10) == 1) {
i = 0
}
return ['st', 'nd', 'rd'][i - 1] || 'th'
},
w: function () {
return jsdate.getDay()
},
z: function () {
let a = new Date(f.Y(), f.n() - 1, f.j());
let b = new Date(f.Y(), 0, 1);
return Math.round((a - b) / 864e5)
},
W: function () {
let a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3);
let b = new Date(a.getFullYear(), 0, 4);
return _pad(1 + Math.round((a - b) / 864e5 / 7), 2)
},
F: function () {
return txt_words[6 + f.n()];
},
m: function () {
return _pad(f.n(), 2)
},
M: function () {
return f.F()
.slice(0, 3)
},
n: function () {
return jsdate.getMonth() + 1
},
t: function () {
return (new Date(f.Y(), f.n(), 0))
.getDate()
},
// 年
L: function () {
let j = f.Y()
return j % 4 === 0 & j % 100 !== 0 | j % 400 === 0
},
o: function () {
let n = f.n()
let W = f.W()
let Y = f.Y()
return Y + (n === 12 && W < 9 ? 1 : n === 1 && W > 9 ? -1 : 0)
},
Y: function () {
return jsdate.getFullYear()
},
y: function () {
return f.Y()
.toString()
.slice(-2)
},
a: function () {
return jsdate.getHours() > 11 ? 'pm' : 'am'
},
A: function () {
return f.a()
.toUpperCase()
},
B: function () {
let H = jsdate.getUTCHours() * 36e2
let i = jsdate.getUTCMinutes() * 60
let s = jsdate.getUTCSeconds()
return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3)
},
g: function () {
return f.G() % 12 || 12
},
G: function () {
return jsdate.getHours()
},
h: function () {
return _pad(f.g(), 2)
},
H: function () {
return _pad(f.G(), 2)
},
i: function () {
return _pad(jsdate.getMinutes(), 2)
},
s: function () {
return _pad(jsdate.getSeconds(), 2)
},
u: function () {
return _pad(jsdate.getMilliseconds() * 1000, 6)
},
e: function () {
throw 'Not supported (see source code of date() for timezone on how to add support)'
},
I: function () {
let a = new Date(f.Y(), 0)
let c = Date.UTC(f.Y(), 0)
let b = new Date(f.Y(), 6)
let d = Date.UTC(f.Y(), 6)
return ((a - c) !== (b - d)) ? 1 : 0
},
O: function () {
let tzo = jsdate.getTimezoneOffset()
let a = Math.abs(tzo)
return (tzo > 0 ? '-' : '+') + _pad(Math.floor(a / 60) * 100 + a % 60, 4)
},
P: function () {
let O = f.O()
return (O.substr(0, 3) + ':' + O.substr(3, 2))
},
T: function () {
return 'UTC'
},
Z: function () {
return -jsdate.getTimezoneOffset() * 60
},
c: function () {
return 'Y-m-d\\TH:i:sP'.replace(formatChr, formatChrCb)
},
r: function () {
return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb)
},
U: function () {
return jsdate / 1000 | 0;
}
};
this.date = function (format, timestamp) {
that = this;
jsdate = (timestamp === undefined ? new Date() :
(timestamp instanceof Date) ? new Date(timestamp) :
new Date(timestamp * 1000)
);
return format.replace(formatChr, formatChrCb)
};
return this.date(format, timestamp)
}
