JS的一些时间获取和计算公用方法封装

又是一个记录博客，不想废话的一天。。。。
自己之前写的时间计算和日期格式化的源码整理，直接看代码吧~~

/*** 判断年份是否为润年* @param {Number} year* @return {Boolean}*/
isLeapYear: function (year) {return (year % 400 == 0) || (year % 4 == 0 && year % 100 != 0);
},/*** 获取某一年份的某一月份的天数* @param {Number} year* @param {Number} month* @return {String}*/
getMonthDays: function (year, month) {return [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month] || (isLeapYear(year) ? 29 : 28);
},/*** 获取某年的某天是第几周* @param {Number} y* @param {Number} m* @param {Number} d* @returns {Number}*/
getWeekNumber: function (y, m, d, curDate) {var now = curDate;if (now == '') {now = new Date(y, m - 1, d);}var year = now.getFullYear(),month = now.getMonth(),days = now.getDate();//那一天是那一年中的第多少天for (var i = 0; i < month; i++) {days += getMonthDays(year, i);}//那一年第一天是星期几var yearFirstDay = new Date(year, 0, 1).getDay() || 7;var week = null;if (yearFirstDay == 1) {week = Math.ceil(days / yearFirstDay);} else {days -= (7 - yearFirstDay + 1);week = Math.ceil(days / 7) + 1;}return week;
},
/*** 日期转换* @return*/
formatDate: {format: function (date, pattern) {pattern = pattern || DEFAULT_PATTERN;return pattern.replace(SIGN_REGEXP, function ($0) {switch ($0.charAt(0)) {case 'y': return padding(date.getFullYear(), $0.length);case 'M': return padding(date.getMonth() + 1, $0.length);case 'd': return padding(date.getDate(), $0.length);case 'w': return date.getDay() + 1;case 'h': return padding(date.getHours(), $0.length);case 'm': return padding(date.getMinutes(), $0.length);case 's': return padding(date.getSeconds(), $0.length);}});},parse: function (dateString, pattern) {var matchs1 = pattern.match(SIGN_REGEXP);var matchs2 = dateString.match(/(\d)+/g);if (matchs1.length == matchs2.length) {var _date = new Date(1970, 0, 1);for (var i = 0; i < matchs1.length; i++) {var _int = parseInt(matchs2[i]);var sign = matchs1[i];switch (sign.charAt(0)) {case 'y': _date.setFullYear(_int); break;case 'M': _date.setMonth(_int - 1); break;case 'd': _date.setDate(_int); break;case 'h': _date.setHours(_int); break;case 'm': _date.setMinutes(_int); break;case 's': _date.setSeconds(_int); break;}}return _date;}return null;},formatTo: function(dateString, pattern) {var date = new Date(dateString);pattern  = pattern || DEFAULT_PATTERN;return pattern.replace(SIGN_REGEXP, function ($0) {switch ($0.charAt(0)) {case 'y': return padding(date.getFullYear(), $0.length);case 'M': return padding(date.getMonth() + 1, $0.length);case 'd': return padding(date.getDate(), $0.length);case 'w': return date.getDay() + 1;case 'h': return padding(date.getHours(), $0.length);case 'm': return padding(date.getMinutes(), $0.length);case 's': return padding(date.getSeconds(), $0.length);}});}
},
/*** 获取当前时间段* @return */
getNowDate: function() {var date = new Date();var year = date.getFullYear();var month = aqqConvert(date.getMonth() + 1);var day  = aqqConvert(date.getDate());var hour = aqqConvert(date.getHours());var minute = aqqConvert(date.getMinutes());var second = aqqConvert(date.getSeconds());var nowTime = year+month+day+hour+minute+second;return nowTime;
},/*** 获取当前时间段* @return */
getNowDateByYYYMMDD: function() {var date = new Date();var year = date.getFullYear();var month = aqqConvert(date.getMonth() + 1);var day  = aqqConvert(date.getDate());var nowTime = year+'-'+month+'-'+day;return nowTime;
},/*** 获取要计算时间的前或者后N天* @param requestDay 需要开始推算的时间* @param days 间隔天数* @param type 向前或者向后推算(0:向前推算；1：向后推算)* @return */
getAgoOrBackwardData: function(requestDay,days,type) {let date = Date.parse(new Date(requestDay+' 00:00:00'));if(type == 0){date = new Date(date - days * 24 * 3600 * 1000)} else {date = new Date(date + days * 24 * 3600 * 1000)}var year = date.getFullYear();var month = aqqConvert(date.getMonth() + 1);var day = aqqConvert(date.getDate());var nowTime = year+'-'+month+'-'+day;return nowTime;
},/*** 获取某一天所在周的开始日期以及结束日期* @param requestDay 需要获取的时间* @return */
getWeekData: function(requestDay) {let now = '';if(requestDay) {now = new Date(requestDay); // 日期} else {now = new Date(); // 日期}let nowDayOfWeek = now.getDay(); // 本周的第几天// let nowDay = now.getDate()+1; // 当前日let nowDay = now.getDate(); // 当前日let nowMonth = now.getMonth(); // 当前月let nowYear = now.getFullYear(); // 当前年let weekStart = this.getWeekStartDate(nowYear, nowMonth, nowDay, nowDayOfWeek)let weekEnd = this.getWeekEndDate(nowYear, nowMonth, nowDay, nowDayOfWeek)let weekFormat = [weekStart,weekEnd]return weekFormat;
},// 获得某一周的开始日期
getWeekStartDate(nowYear, nowMonth, nowDay, nowDayOfWeek) {var day = nowDayOfWeek || 7;// let weekStartDate = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek)let weekStartDate = new Date(nowYear, nowMonth, nowDay + 1 - day);return this.formatDateTo(weekStartDate,'-')
},// 获得某一周的结束日期
getWeekEndDate(nowYear, nowMonth, nowDay, nowDayOfWeek) {// let weekEndDate = new Date(nowYear, nowMonth, nowDay + (6 - nowDayOfWeek))var day = nowDayOfWeek || 7;let weekEndDate = new Date(nowYear, nowMonth, nowDay + 7 - day)return this.formatDateTo(weekEndDate,'-')
},// 日期格式化
formatDateTo(date,splitStr) {var myyear = date.getFullYear();var mymonth = date.getMonth() + 1;var myweekday = date.getDate();if (mymonth < 10) {mymonth = "0" + mymonth;}if (myweekday < 10) {myweekday = "0" + myweekday;}return myyear+ splitStr+ mymonth + splitStr + myweekday
},/*** 获取往前时间段* @param days 间隔天数* @param otherdate 需要开始推算的时间* @return */
getRangeDate: function(days,otherdate,pattern) {if(undefined !== otherdate && otherdate) {var date = new Date(otherdate);} else {var date = new Date();}var year = date.getFullYear();var month = aqqConvert(date.getMonth() + 1);var day = aqqConvert(date.getDate());var hour = aqqConvert(date.getHours());var minute = aqqConvert(date.getMinutes());var second = aqqConvert(date.getSeconds());if(pattern =='d') {var endTime = year + '-' + month + '-' + day;} else {var endTime = year + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second;}var date = new Date(date.getTime() - days * 24 * 3600 * 1000);var year = date.getFullYear();var month = aqqConvert(date.getMonth() + 1);var day = aqqConvert(date.getDate());var hour = aqqConvert(date.getHours());var minute = aqqConvert(date.getMinutes());var second = aqqConvert(date.getSeconds());if(pattern =='d') {var startTime = year + '-' + month + '-' + day;} else {var startTime = year + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second;}var param = [startTime,endTime];        return param;
},/*** 获取过后时间段* @param days 间隔天数* @param otherdate 需要开始推算的时间* @return */
getFutureRangeDate: function(days,otherdate) {if(undefined !== otherdate && otherdate) {var date = new Date(otherdate);} else {var date = new Date();}var year = date.getFullYear();var month = aqqConvert(date.getMonth() + 1);var day = aqqConvert(date.getDate());var hour = aqqConvert(date.getHours());var minute = aqqConvert(date.getMinutes());var second = aqqConvert(date.getSeconds());var startTime = year + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second;var date = new Date(date.getTime() + days * 24 * 3600 * 1000);var year = date.getFullYear();var month = aqqConvert(date.getMonth() + 1);var day = aqqConvert(date.getDate());var hour = aqqConvert(date.getHours());var minute = aqqConvert(date.getMinutes());var second = aqqConvert(date.getSeconds());var endTime = year + '-' + month + '-' + day + ' ' + hour + ':' + minute + ':' + second;var param = [startTime,endTime];return param;
},/*** 获得上个月在昨天这一天的日期* @param days 间隔天数* @param otherdate 需要开始推算的时间* @return */
getLastMonthYestdy(){var date = new Date();var daysInMonth = new Array([0],[31],[28],[31],[30],[31],[30],[31],[31],[30],[31],[30],[31]);var endYear = date.getFullYear();var endMonth = date.getMonth()+1;var endDay = date.getDate();var endTime = endYear + '-' + aqqConvert(endMonth) + '-' + aqqConvert(endDay);var startYear = endYear;var startMonth = endMonth;var startDay = endDay;if(startYear%4 == 0 && startYear%100 != 0){daysInMonth[2] = 29;}if(startMonth - 1 == 0){startYear -= 1;startMonth = 12;} else {startMonth -= 1;}startDay = daysInMonth[startMonth] >= startDay ? startDay+1 : daysInMonth[startMonth];var startTime = startYear+"-"+aqqConvert(startMonth)+"-"+aqqConvert(startDay);var param = [startTime,endTime];return param;},/*** 是否在系统配置时间段内* @param min 最小时间* @param max 最大时间* @param sysInfo 系统信息* @return Blooen*/
bettweenSysDate: function (min, max, sysInfo) {if(min == undefined || max == undefined || sysInfo == undefined) {return false;}let sysMin  = sysInfo.SP_SYSTEM_TABLE_MIN.pvalue;let sysMax  = sysInfo.SP_SYSTEM_TABLE_MAX.pvalue;if(min >=sysMin && max <=sysMax){return true;}return false;
},

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JS的一些时间获取和计算公用方法封装

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