js时间比较的几个常用方法

/*** 判断当前时间是否在指定日期范围内 * @Date: 2022-11-24 11:45* @param date [beginDateStr] [开始日期] yyyy-MM-dd* @param date [endDateStr] [结束日期] yyyy-MM-dd* @return Boolean*/const isDuringDate = (beginDateStr, endDateStr) => {const curDate = new Date();const beginDate = new Date(beginDateStr.replace(/-/g, "/"));const endDate = new Date(endDateStr.replace(/-/g, "/"));console.log(beginDate,endDate);if (curDate >= beginDate && curDate <= endDate) {return true;}return false;};/*** 判断指定时间是否在指定日期范围内* @Date: date [curDateStr] [指定时间] yyyy-MM-dd* @param date [beginDateStr] [开始日期] yyyy-MM-dd* @param date [endDateStr] [结束日期] yyyy-MM-dd* @return Boolean*/
const isCurDuringDate = (curDateStr,beginDateStr, endDateStr) => {const curDate = new Date(curDateStr.replace(/-/g, "/"));const beginDate = new Date(beginDateStr.replace(/-/g, "/"));const endDate = new Date(endDateStr.replace(/-/g, "/"));console.log(beginDate,endDate);if (curDate >= beginDate && curDate <= endDate) {return true;}return false;
};/*** 判断开始日期是否大于结束日期 * @param date [beginDateStr] [开始日期] yyyy-MM-dd* @param date [endDateStr] [结束日期] yyyy-MM-dd* @return Boolean*/const isDiffDate = (beginDateStr, endDateStr) => { const beginDate = new Date(beginDateStr.replace(/-/g, "/"));const endDate = new Date(endDateStr.replace(/-/g, "/"));console.log(beginDate,endDate); if ( beginDate > endDate) {return true;}return false;}; /*** 判断当前时间是否大于参数时间* @Date: 2022-11-24 11:45* @param date [DateStr] [开始日期] yyyy-MM-dd* @return Boolean*/
const isDefDate = (DateStr) => {const curDate = new Date();const paramDate = new Date(DateStr.replace(/-/g, "/")); console.log(paramDate);if (curDate >= paramDate) {return true;}return false;
};/*** 时间处理(显示几分钟前,,几小时前,,几天前...)*/const commentTimeHandle = function (dateStr) { var publishTime = dateStr / 1000, //获取dataStr的秒数  打印结果--1536230820000date = new Date(publishTime * 1000), //获取dateStr的标准格式 console.log(date) 打印结果  Thu Sep 06 2018 18:47:00 GMT+0800 (中国标准时间)// 获取date 中的 年 月 日 时 分 秒Y = date.getFullYear(),M = date.getMonth() + 1,D = date.getDate(),H = date.getHours(),m = date.getMinutes(),s = date.getSeconds();// 对 月 日 时 分 秒 小于10时, 加0显示 例如: 09-09 09:01if (M < 10) {M = '0' + M;}if (D < 10) {D = '0' + D;}if (H < 10) {H = '0' + H;}if (m < 10) {m = '0' + m;}if (s < 10) {s = '0' + s;}var nowTime = new Date().getTime() / 1000, //获取此时此刻日期的秒数diffValue = nowTime - publishTime, // 获取此时 秒数 与 要处理的日期秒数 之间的差值diff_days = parseInt(diffValue / 86400), // 一天86400秒 获取相差的天数 取整diff_hours = parseInt(diffValue / 3600), // 一时3600秒diff_minutes = parseInt(diffValue / 60),diff_secodes = parseInt(diffValue);if (diff_days > 0 && diff_days < 3) { //相差天数 0 < diff_days < 3 时, 直接返出return diff_days + "天前";} else if (diff_days <= 0 && diff_hours > 0) {return diff_hours + "小时前";} else if (diff_hours <= 0 && diff_minutes > 0) {return diff_minutes + "分钟前";} else if (diff_secodes < 60) {if (diff_secodes <= 0) {return "刚刚";} else {return diff_secodes + "秒前";}} else if (diff_days >= 3 && diff_days < 30) {return M + '-' + D + ' ' + H + ':' + m;} else if (diff_days >= 30) {return Y + '-' + M + '-' + D + ' ' + H + ':' + m;}};/*** 把指定格式的字符串转换为日期对象yyyy-MM-dd HH:mm:ss* */const strFormatToDate = function (formatStr, dateStr) {var year = 0;var start = -1;var len = dateStr.length;if ((start = formatStr.indexOf('yyyy')) > -1 && start < len) {year = dateStr.substr(start, 4);}var month = 0;if ((start = formatStr.indexOf('MM')) > -1 && start < len) {month = parseInt(dateStr.substr(start, 2)) - 1;}var day = 0;if ((start = formatStr.indexOf('dd')) > -1 && start < len) {day = parseInt(dateStr.substr(start, 2));}var hour = 0;if (((start = formatStr.indexOf('HH')) > -1 || (start = formatStr.indexOf('hh')) > 1) && start < len) {hour = parseInt(dateStr.substr(start, 2));}var minute = 0;if ((start = formatStr.indexOf('mm')) > -1 && start < len) {minute = dateStr.substr(start, 2);}var second = 0;if ((start = formatStr.indexOf('ss')) > -1 && start < len) {second = dateStr.substr(start, 2);}return new Date(year, month, day, hour, minute, second);}/*** 日期对象转换为指定格式的字符串* @param f 日期格式,格式定义如下 yyyy-MM-dd HH:mm:ss* @param date Date日期对象, 如果缺省，则为当前时间** YYYY/yyyy/YY/yy 表示年份  * MM/M 月份  * W/w 星期  * dd/DD/d/D 日期  * hh/HH/h/H 时间  * mm/m 分钟  * ss/SS/s/S 秒  * @return string 指定格式的时间字符串*/const formatDate = function (formatStr, date) {formatStr = arguments[0] || "yyyy-MM-dd HH:mm:ss";date = arguments[1] || new Date();var str = formatStr;var Week = ['日', '一', '二', '三', '四', '五', '六'];str = str.replace(/yyyy|YYYY/, date.getFullYear());str = str.replace(/yy|YY/, (date.getYear() % 100) > 9 ? (date.getYear() % 100).toString() : '0' + (date.getYear() % 100));str = str.replace(/MM/, date.getMonth() > 9 ? (date.getMonth() + 1) : '0' + (date.getMonth() + 1));str = str.replace(/M/g, date.getMonth());str = str.replace(/w|W/g, Week[date.getDay()]);str = str.replace(/dd|DD/, date.getDate() > 9 ? date.getDate().toString() : '0' + date.getDate());str = str.replace(/d|D/g, date.getDate());str = str.replace(/hh|HH/, date.getHours() > 9 ? date.getHours().toString() : '0' + date.getHours());str = str.replace(/h|H/g, date.getHours());str = str.replace(/mm/, date.getMinutes() > 9 ? date.getMinutes().toString() : '0' + date.getMinutes());str = str.replace(/m/g, date.getMinutes());str = str.replace(/ss|SS/, date.getSeconds() > 9 ? date.getSeconds().toString() : '0' + date.getSeconds());str = str.replace(/s|S/g, date.getSeconds());return str;}

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