Javascript 日期Date工具类(包含日期比较)
来源：互联网 发布：长沙理工大学网络 编辑：程序博客网 时间：2024/06/01 19:56
//获得当年当月最大天数 function GetMonthMaxDay(theYear,theMonth){ var theDays = new Array(31,28,31,30,31,30,31,31,30,31,30,31); var theMonthDay = 0, tmpYear = this.formatYear(theYear); theMonthDay = theDays[theMonth]; if (theMonth == 1){ //theMonth is February if (((tmpYear % 4 == 0) && (tmpYear % 100 != 0)) || (tmpYear % 400 == 0)){ theMonthDay++; } } return(theMonthDay); } //把年份格式化成4位 function formatYear(theYear){ var tmpYear = parseInt(theYear,10); if (tmpYear < 100){ tmpYear += 1900; if (tmpYear < 1940){ tmpYear += 100; } } if (tmpYear < this.MinYear){ tmpYear = this.MinYear; } if (tmpYear > this.MaxYear){ tmpYear = this.MaxYear; } return(tmpYear); } //对javascript日期进行格式化 //formattype是返回的时间类型 //返回：返回时间串 function formatDate(day,formattype){ var dateString = ""; var thisyear = formatYear(day.getFullYear()); var thismonth = appendZero(day.getMonth()+1); var thisday = appendZero(day.getDate()); var thishour = appendZero(day.getHours()); var thismin = appendZero(day.getMinutes()); var thissec = appendZero(day.getSeconds()); switch (formattype){ case 0: dateString = thisyear + "年" + thismonth + "月" + thisday + "日"; break; case 1: dateString = thisyear + "-" + thismonth + "-" + thisday; break; case 2: dateString = thisyear + "-" + thismonth + "-" + thisday+ " " + appendZero(thishour) + ":" + appendZero(this break; default: dateString = thisyear + "-" + thismonth + "-" + thisday; } return dateString; } //取得本周第一天 function getWeekFirstDay(formattype) { var Nowdate=new Date(); var WeekFirstDay=new Date(Nowdate-(Nowdate.getDay()-1)*86400000); return formatDate(WeekFirstDay,formattype); } //取得本周第七天 function getWeekLastDay(formattype) { var Nowdate=new Date(); var WeekFirstDay=new Date(Nowdate-(Nowdate.getDay()-1)*86400000); var WeekLastDay=new Date((WeekFirstDay/1000+6*86400)*1000); return formatDate(WeekLastDay,formattype); } function testDate() { var Nowdate=new Date(); //本月 var MonthFirstDay=new Date(Nowdate.getFullYear(),Nowdate.getMonth(),1); alert(MonthFirstDay.getFullYear()) alert(appendZero(MonthFirstDay.getMonth()+1)) //上月 var lastMonth = new Date(Nowdate.getFullYear(),Nowdate.getMonth()-1,1); alert(lastMonth.getFullYear()) alert(appendZero(lastMonth.getMonth()+1)) } //取得本月第一天 function getMonthFirstDay(formattype) { var Nowdate=new Date(); var MonthFirstDay=new Date(Nowdate.getFullYear(),Nowdate.getMonth(),1); return formatDate(MonthFirstDay,formattype); } //取得本月最后一天 function getMonthLastDay(formattype) { var Nowdate=new Date(); var MonthNextFirstDay=new Date(Nowdate.getFullYear(),Nowdate.getMonth()+1,1); var MonthLastDay=new Date(MonthNextFirstDay-86400000); return formatDate(MonthLastDay,formattype); } function getDateFromString(strDate){ var arrYmd = strDate.split("-"); for(var i=0;i<arrYmd.length;i++){ if(arrYmd[i].length>1 && arrYmd[i].indexOf("0")==0) arrYmd[i]= arrYmd[i].substring(1); } var numYear = parseInt(arrYmd[0]); var numMonth = parseInt(arrYmd[1]) - 1; var numDay = parseInt(arrYmd[2]); return new Date(numYear, numMonth, numDay); } /* 下列函数返回需要的时间 偏移值不能大于30 参数：dadd是日偏移值，-表示向前推，+向后推 formattype是返回的时间类型 返回：返回时间串 */ function getDiffDate(dadd,formattype) { //可以加上错误处理 var a = new Date(); a = a.valueOf(); a = a + dadd * 24 * 60 * 60 * 1000; a = new Date(a); return formatDate(a,formattype); } //getDiffDate(+2,0) //取得指定日期的年月日时分秒 //参数：dateValue 是格式形如：2007/04/05 function TimeCom(dateValue){ var newCom = new Date(dateValue); this.year = newCom.getFullYear(); this.month = newCom.getMonth()+1; this.day = newCom.getDate(); this.hour = newCom.getHours(); this.minute = newCom.getMinutes(); this.second = newCom.getSeconds(); this.msecond = newCom.getMilliseconds(); this.week = newCom.getDay(); } //取得两个日期之间的时间差 // 参数：interval : y或year-表示取得相差的年份 n或month-表示相差的月份 d或day表示相差的天数 h或hour-表示相差的小时 m或m// date1:起始日期 // date2:结束日期 function DateDiff(interval,date1,date2) { var TimeCom1 = new TimeCom(date1); var TimeCom2 = new TimeCom(date2); var result; switch(String(interval).toLowerCase()) { case "y": case "year": result = TimeCom1.year-TimeCom2.year; break; case "n": case "month": result = (TimeCom1.year-TimeCom2.year)*12+(TimeCom1.month-TimeCom2.month); break; case "d": case "day": result = Math.round((Date.UTC(TimeCom1.year,TimeCom1.month-1,TimeCom1.day)-Date.UTC(TimeCom2.year,TimeCom2.mont break; case "h": case "hour": result = Math.round((Date.UTC(TimeCom1.year,TimeCom1.month-1,TimeCom1.day,TimeCom1.hour)-Date.UTC(TimeCom2.year break; case "m": case "minute": result = Math.round((Date.UTC(TimeCom1.year,TimeCom1.month-1,TimeCom1.day,TimeCom1.hour,TimeCom1.minute)-Date.U break; case "s": case "second": result = Math.round((Date.UTC(TimeCom1.year,TimeCom1.month-1,TimeCom1.day,TimeCom1.hour,TimeCom1.minute,TimeCom break; case "ms": case "msecond": result = Date.UTC(TimeCom1.year,TimeCom1.month-1,TimeCom1.day,TimeCom1.hour,TimeCom1.minute,TimeCom1.second,Tim break; case "w": case "week": result = Math.round((Date.UTC(TimeCom1.year,TimeCom1.month-1,TimeCom1.day)-Date.UTC(TimeCom2.year,TimeCom2.mont break; default: result = "invalid"; } return(result); } /* 下列函数返回需要的时间 偏移值不能大于30 参数：interval : y或year-表示取得相差的年份 n或month-表示相差的月份 d或day表示相差的天数 h或hour-表示相差的小时 m或minu num是偏移值，-表示向前推，+向后推 dateValue 指定的日期 formattype是返回的时间类型 返回：返回时间串 */ function DateAdd(interval,num,dateValue,formattype) { var newCom = new TimeCom(dateValue); switch(String(interval).toLowerCase()) { case "y": case "year": newCom.year += num; break; case "n": case "month": newCom.month += num; break; case "d": case "day": newCom.day += num; break; case "h": case "hour": newCom.hour += num; break; case "m": case "minute": newCom.minute += num; break; case "s": case "second": newCom.second += num; break; case "ms": case "msecond": newCom.msecond += num; break; case "w": case "week": newCom.day += num*7; break; default: return("invalid"); } var now = newCom.year+"/"+newCom.month+"/"+newCom.day+" "+newCom.hour+":"+newCom.minute+":"+newCom.second; return formatDate(new Date(now),formattype); } //alert(DateAdd('d',-30,new Date(),0)); //取得当前日期 function getToDay(formattype){ var Nowdate=new Date(); M=Number(Nowdate.getMonth())+1; Nowdate = new Date(Nowdate.getFullYear()+"/"+M+"/"+Nowdate.getDate()); return formatDate(Nowdate,formattype); } //上月第一天 function getPreviousFirstDay(formattype) { var Nowdate=new Date(); var MonthFirstDay=new Date(Nowdate.getFullYear(),Nowdate.getMonth()-1,1); return formatDate(MonthFirstDay,formattype); } //上月最后一天 function getPreviousLastDay(formattype) { var Nowdate=new Date(); var MonthFirstDay=new Date(Nowdate.getFullYear(),Nowdate.getMonth(),1); return formatDate(new Date(MonthFirstDay-86400000),formattype); } //上周第一天 function getPreviousFirstWeekDay(formattype) { var Nowdate=new Date(); var WeekFirstDay=new Date(Nowdate-(Nowdate.getDay()-1)*86400000); WeekFirstDay=new Date(WeekFirstDay-86400000*7); return formatDate(WeekFirstDay,formattype); } //上周最后一天 function showPreviousLastWeekDay(formattype) { var Nowdate=new Date(); var WeekFirstDay=new Date(Nowdate-(Nowdate.getDay()-1)*86400000); WeekFirstDay = new Date(WeekFirstDay-86400000); return formatDate(WeekFirstDay,formattype); } //上一天 function getPreviousDay(formattype) { var MonthFirstDay=new Date(); MonthFirstDay = new Date(MonthFirstDay-86400000); return formatDate(MonthFirstDay,formattype); } //下一天 function getNextDay(formattype) { var MonthFirstDay=new Date(); MonthFirstDay = new Date((MonthFirstDay/1000+86400)*1000); return formatDate(MonthFirstDay,formattype); } //下周第一天 function getNextFirstWeekDay(formattype) { var Nowdate=new Date(); var WeekFirstDay=new Date(Nowdate-(Nowdate.getDay()-1)*86400000); var MonthFirstDay=new Date((WeekFirstDay/1000+6*86400)*1000); MonthFirstDay=new Date((MonthFirstDay/1000+86400)*1000); return formatDate(MonthFirstDay,formattype); } //下周最后一天 function getNextLastWeekDay(formattype) { var Nowdate=new Date(); var WeekFirstDay=new Date(Nowdate-(Nowdate.getDay()-1)*86400000); var WeekLastDay=new Date((WeekFirstDay/1000+6*86400)*1000); var MonthFirstDay=new Date((WeekLastDay/1000+7*86400)*1000); return formatDate(MonthFirstDay,formattype); } //下月第一天 function getNextFirstDay(formattype) { var Nowdate=new Date(); var MonthFirstDay=new Date(Nowdate.getFullYear(),Nowdate.getMonth(),1); MonthFirstDay=new Date(MonthFirstDay.getYear(),MonthFirstDay.getMonth()+1,1); return formatDate(MonthFirstDay,formattype); } //下月最后一天 function getNextLastDay(formattype) { var Nowdate=new Date(); var MonthFirstDay=new Date(Nowdate.getFullYear(),Nowdate.getMonth(),1); MonthFirstDay=new Date(new Date(MonthFirstDay.getYear(),MonthFirstDay.getMonth()+2,1)-86400000); return formatDate(MonthFirstDay,formattype); } - Javascript 日期Date工具类(包含日期比较)
- Date日期工具类
- date 日期工具类
- Date日期工具类---Java
- Date 日期比较
- Java Date日期比较
- Date日期类型比较
- javascript date日期
- JavaScript Date(日期)对象
- javascript Date日期对象
- JavaScript中的日期(Date)
- JavaScript演示日期(Date)
- JavaScript Date(日期)对象
- javascript Date 日期对象
- 【Javascript】Date 日期对象
- JavaScript 日期对象 Date
- JavaScript 日期Date对象
- JavaScript中Date对象之日期大小比较(三)
- centos 6.3安装nginx 配置文件服务器
- dos2unix
- TFS源代码管理
- Linklist Merge Sort(微软等面试一百题-链表排序）代码
- tabbar和navigation混搭时，tabbaritem和返回显示不正常
- Javascript 日期Date工具类(包含日期比较)
- UINavigationController使用详解（转）
- shell脚本-某目录文件大于n时删除前m个文件
- MongoDB 基础使用
- 《激励-理论篇》课程笔记
- 常用接口
- 关于android.9.png
- 实现带图片和checkbox的listview
- 修改虚拟机的grub.cfg文件后无法启动的解决办法
