搬运一个转换时间方法

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//年：Y 月：m 日：d 时：h 分：i 秒：s  可随意组合（下面是调用函数例子，date是封装的函数）     date('Y-m-d h:i:s',new Date().getTime())//2022-06-08 05:31:54     date('Y/m/d h:i:s',new Date().getTime())//2022/06/08 05:32:36     date('Y---m---d h-i-s',new Date().getTime())//2022---06---08 05-33-19//万能时间格式转化封装     function date(format, times){//两个参数format是格式，times是时间戳         var a, jsdate=((times) ? new Date(times) : new Date());//获取时间戳         var pad = function(n, c){             if((n = n + "").length < c){                 return new Array(++c - n.length).join("0") + n;             } else {                 return n;             }         };         var txt_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];         var txt_ordin = {1:"st", 2:"nd", 3:"rd", 21:"st", 22:"nd", 23:"rd", 31:"st"};         var txt_months = ["", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];         var f = {//获取天             // Day             d: function(){return pad(f.j(), 2)},             D: function(){return f.l().substr(0,3)},             j: function(){return jsdate.getDate()},             l: function(){return txt_weekdays[f.w()]},             N: function(){return f.w() + 1},             S: function(){return txt_ordin[f.j()] ? txt_ordin[f.j()] : 'th'},             w: function(){return jsdate.getDay()},             z: function(){return (jsdate - new Date(jsdate.getFullYear() + "/1/1")) / 864e5 >> 0},               // Week             W: function(){//获取周                 var a = f.z(), b = 364 + f.L() - a;                 var nd2, nd = (new Date(jsdate.getFullYear() + "/1/1").getDay() || 7) - 1;                 if(b <= 2 && ((jsdate.getDay() || 7) - 1) <= 2 - b){                     return 1;                 } else{                     if(a <= 2 && nd >= 4 && a >= (6 - nd)){                         nd2 = new Date(jsdate.getFullYear() - 1 + "/12/31");                         return date("W", Math.round(nd2.getTime()/1000));                     } else{                         return (1 + (nd <= 3 ? ((a + nd) / 7) : (a - (7 - nd)) / 7) >> 0);                     }                 }             },               // Month             F: function(){return txt_months[f.n()]},             m: function(){return pad(f.n(), 2)},             M: function(){return f.F().substr(0,3)},             n: function(){return jsdate.getMonth() + 1},             t: function(){                 var n;                 if( (n = jsdate.getMonth() + 1) == 2 ){                     return 28 + f.L();                 } else{                     if( n & 1 && n < 8 || !(n & 1) && n > 7 ){                         return 31;                     } else{                         return 30;                     }                 }             },               // Year             L: function(){var y = f.Y();return (!(y & 3) && (y % 1e2 || !(y % 4e2))) ? 1 : 0},             //o not supported yet             Y: function(){return jsdate.getFullYear()},             y: function(){return (jsdate.getFullYear() + "").slice(2)},               // Time             a: function(){return jsdate.getHours() > 11 ? "pm" : "am"},             A: function(){return f.a().toUpperCase()},             B: function(){                 // peter paul koch:                 var off = (jsdate.getTimezoneOffset() + 60)*60;                 var theSeconds = (jsdate.getHours() * 3600) + (jsdate.getMinutes() * 60) + jsdate.getSeconds() + off;                 var beat = Math.floor(theSeconds/86.4);                 if (beat > 1000) beat -= 1000;                 if (beat < 0) beat += 1000;                 if ((String(beat)).length == 1) beat = "00"+beat;                 if ((String(beat)).length == 2) beat = "0"+beat;                 return beat;             },             g: function(){return jsdate.getHours() % 12 || 12},             G: function(){return jsdate.getHours()},             h: function(){return pad(f.g(), 2)},             H: function(){return pad(jsdate.getHours(), 2)},             i: function(){return pad(jsdate.getMinutes(), 2)},             s: function(){return pad(jsdate.getSeconds(), 2)},             O: function(){                 var t = pad(Math.abs(jsdate.getTimezoneOffset()/60*100), 4);                 if (jsdate.getTimezoneOffset() > 0) t = "-" + t; else t = "+" + t;                 return t;             },             P: function(){var O = f.O();return (O.substr(0, 3) + ":" + O.substr(3, 2))},             c: function(){return f.Y() + "-" + f.m() + "-" + f.d() + "T" + f.h() + ":" + f.i() + ":" + f.s() + f.P()},             U: function(){return Math.round(jsdate.getTime()/1000)}         };           return format.replace(/[\\]?([a-zA-Z])/g, function(t, s){             if( t!=s ){                 ret = s;             } else if( f[s] ){                 ret = f[s]();             } else{                 ret = s;             }             return ret;         });     }