新建js文件
1 /** 2 * 时间戳格式化函数 3 * @param {string} format 格式 4 * @param {int} timestamp 要格式化的时间 默认为当前时间 5 * @return {string} 格式化的时间字符串 6 * 8 */ 9 export function date(format, timestamp){ 10 var a,ret, jsdate=((timestamp) ? new Date(timestamp*1000) : new Date()); 11 var pad = function(n, c){ 12 if((n = n + "").length < c){ 13 return new Array(++c - n.length).join("0") + n; 14 } else { 15 return n; 16 } 17 }; 18 var txt_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]; 19 var txt_ordin = {1:"st", 2:"nd", 3:"rd", 21:"st", 22:"nd", 23:"rd", 31:"st"}; 20 var txt_months = ["", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; 21 var f = { 22 // Day 23 d: function(){return pad(f.j(), 2)}, 24 D: function(){return f.l().substr(0,3)}, 25 j: function(){return jsdate.getDate()}, 26 l: function(){return txt_weekdays[f.w()]}, 27 N: function(){return f.w() + 1}, 28 S: function(){return txt_ordin[f.j()] ? txt_ordin[f.j()] : ‘th‘}, 29 w: function(){return jsdate.getDay()}, 30 z: function(){return (jsdate - new Date(jsdate.getFullYear() + "/1/1")) / 864e5 >> 0}, 31 32 // Week 33 W: function(){ 34 var a = f.z(), b = 364 + f.L() - a; 35 var nd2, nd = (new Date(jsdate.getFullYear() + "/1/1").getDay() || 7) - 1; 36 if(b <= 2 && ((jsdate.getDay() || 7) - 1) <= 2 - b){ 37 return 1; 38 } else{ 39 if(a <= 2 && nd >= 4 && a >= (6 - nd)){ 40 nd2 = new Date(jsdate.getFullYear() - 1 + "/12/31"); 41 return date("W", Math.round(nd2.getTime()/1000)); 42 } else{ 43 return (1 + (nd <= 3 ? ((a + nd) / 7) : (a - (7 - nd)) / 7) >> 0); 44 } 45 } 46 }, 47 48 // Month 49 F: function(){return txt_months[f.n()]}, 50 m: function(){return pad(f.n(), 2)}, 51 M: function(){return f.F().substr(0,3)}, 52 n: function(){return jsdate.getMonth() + 1}, 53 t: function(){ 54 var n; 55 if( (n = jsdate.getMonth() + 1) == 2 ){ 56 return 28 + f.L(); 57 } else{ 58 if( n & 1 && n < 8 || !(n & 1) && n > 7 ){ 59 return 31; 60 } else{ 61 return 30; 62 } 63 } 64 }, 65 66 // Year 67 L: function(){var y = f.Y();return (!(y & 3) && (y % 1e2 || !(y % 4e2))) ? 1 : 0}, 68 //o not supported yet 69 Y: function(){return jsdate.getFullYear()}, 70 y: function(){return (jsdate.getFullYear() + "").slice(2)}, 71 72 // Time 73 a: function(){return jsdate.getHours() > 11 ? "pm" : "am"}, 74 A: function(){return f.a().toUpperCase()}, 75 B: function(){ 76 // peter paul koch: 77 var off = (jsdate.getTimezoneOffset() + 60)*60; 78 var theSeconds = (jsdate.getHours() * 3600) + (jsdate.getMinutes() * 60) + jsdate.getSeconds() + off; 79 var beat = Math.floor(theSeconds/86.4); 80 if (beat > 1000) beat -= 1000; 81 if (beat < 0) beat += 1000; 82 if ((String(beat)).length == 1) beat = "00"+beat; 83 if ((String(beat)).length == 2) beat = "0"+beat; 84 return beat; 85 }, 86 g: function(){return jsdate.getHours() % 12 || 12}, 87 G: function(){return jsdate.getHours()}, 88 h: function(){return pad(f.g(), 2)}, 89 H: function(){return pad(jsdate.getHours(), 2)}, 90 i: function(){return pad(jsdate.getMinutes(), 2)}, 91 s: function(){return pad(jsdate.getSeconds(), 2)}, 92 //u not supported yet 93 94 // Timezone 95 //e not supported yet 96 //I not supported yet 97 O: function(){ 98 var t = pad(Math.abs(jsdate.getTimezoneOffset()/60*100), 4); 99 if (jsdate.getTimezoneOffset() > 0) t = "-" + t; else t = "+" + t; 100 return t; 101 }, 102 P: function(){var O = f.O();return (O.substr(0, 3) + ":" + O.substr(3, 2))}, 103 //T not supported yet 104 //Z not supported yet 105 106 // Full Date/Time 107 c: function(){return f.Y() + "-" + f.m() + "-" + f.d() + "T" + f.h() + ":" + f.i() + ":" + f.s() + f.P()}, 108 //r not supported yet 109 U: function(){return Math.round(jsdate.getTime()/1000)} 110 }; 111 112 return format.replace(/[\\]?([a-zA-Z])/g, function(t, s){ 113 if( t!=s ){ 114 // escaped 115 ret = s; 116 } else if( f[s] ){ 117 // a date function exists 118 ret = f[s](); 119 } else{ 120 // nothing special 121 ret = s; 122 } 123 return ret; 124 }); 125 }
直接引入或者全局挂载
import {date} from ‘util/getDate.js‘
Vue.prototype.date = date
调用方法
date(‘Y-m-d‘,‘1612764711‘);//很方便的将时间戳转换成了2021-02-08 date(‘Y-m-d H:i:s‘,‘1612764711‘);//得到的结果是2021-02-08 14:11:51
或者直接在view视图调用
<view class=" w100s">时间:{{date(‘Y-m-d H:i‘,item.createTime/1000)}}</view>
原文:https://www.cnblogs.com/pingtouha/p/14388665.html