效果图如下所示

实例代码如下：

util.js

function formatTime(date) { var year = date.getFullYear() var month = date.getMonth() + 1 var day = date.getDate() var hour = date.getHours() var minute = date.getMinutes() var second = date.getSeconds() return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')}function formatNumber(n) { n = n.toString() return n[1] ? n : '0' + n}function formatTimeTwo(number, format) { var formateArr = ['Y', 'M', 'D', 'h', 'm', 's']; var returnArr = []; var date = new Date(number * 1000); returnArr.push(date.getFullYear()); returnArr.push(formatNumber(date.getMonth() + 1)); returnArr.push(formatNumber(date.getDate())); returnArr.push(formatNumber(date.getHours())); returnArr.push(formatNumber(date.getMinutes())); returnArr.push(formatNumber(date.getSeconds())); for (var i in returnArr) { format = format.replace(formateArr[i], returnArr[i]); } return format;}const getWeekByDate = dates => { let show_day = new Array('周日', '周一', '周二', '周三', '周四', '周五', '周六'); let date = new Date(dates); date.setDate(date.getDate()); let day = date.getDay(); return show_day[day];}module.exports = { formatTime: formatTime, formatTimeTwo: formatTimeTwo, getWeekByDate: getWeekByDate}

.js

const util = require('../../utils/util.js')Page({ data: { }, onLoad: function (options) { let time = util.formatTime(new Date()); console.log('当前日期和时间:', time) console.log('今天周几:', util.getWeekByDate(new Date())) //获取当前时间戳 var timestamp = Date.parse(new Date()); timestamp = timestamp / 1000; console.log("当前时间戳为:" + timestamp); console.log("时间戳转日期:",util.formatTimeTwo(timestamp, 'Y-M-D h:m:s')); //获取当前时间 var n = timestamp * 1000; var date = new Date(n); //年 var Y = date.getFullYear(); //月 var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1); //日 var D = date.getDate() < 10 ? '0' + date.getDate() : date.getDate(); //时 var h = date.getHours(); //分 var m = date.getMinutes(); //秒 var s = date.getSeconds(); console.log('当前年月日:',date.toLocaleDateString()); console.log('当前日期时间:',date.toLocaleString()); console.log('当前时间:',date.toLocaleTimeString()); console.log("当前日期和时间:" + Y + '-' + M + '-' + D + ' ' + h + ":" + m + ":" + s); },})

参考手册：https://.cn/js/js_date_methods.asp

总结

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