Js获取当前日期时间及其它操作.docx

Js获取当前日期时间及其它操作var myDate = new Date();myDate.getYear();/获取当前年份(2位)myDate.getFullYear();/获取完整的年份(4位,1970-?)myDate.getMonth();/获取当前月份(0-11,0代表1月)myDate.getDate();/获取当前日(1-31)myDate.getDay();/获取当前星期X(0-6,0代表星期天)myDate.getTime();/获取当前时间(从1970.1.1开始的毫秒数)myDate.getHours();/获取当前小时数(0-23)myDate.getMinutes();/获取当前分钟数(0-59)myDate.getSeconds();/获取当前秒数(0-59)myDate.getMilliseconds();/获取当前毫秒数(0-999)myDate.toLocaleDateString();/获取当前日期var mytime=myDate.toLocaleTimeString();/获取当前时间myDate.toLocaleString( );/获取日期与时间日期时间脚本库方法列表Dtotype.isLeapYear 判断闰年Dtotype.Format 日期格式化Dtotype.DateAdd 日期计算Dtotype.DateDiff 比较日期差Dtotype.toString 日期转字符串Dtotype.toArray 日期分割为数组Dtotype.DatePart 取日期的部分信息Dtotype.MaxDayOfDate 取日期所在月的最大天数Dtotype.WeekNumOfYear 判断日期所在年的第几周StringToDate 字符串转日期型IsValidDate 验证日期有效性CheckDateTime 完整日期时间检查daysBetween 日期天数差js代码：/-/ 判断闰年/-Dtotype.isLeapYear = function()return (0=this.getYear()%4&(this.getYear()%100!=0)|(this.getYear()%400=0);/-/ 日期格式化/ 格式 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/-Dtotype.Format = function(formatStr)var str = formatStr;var Week = 日,一,二,三,四,五,六;str=str.replace(/yyyy|YYYY/,this.getFullYear();str=str.replace(/yy|YY/,(this.getYear() % 100)9?(this.getYear() % 100).toString():0 + (this.getYear() % 100);str=str.replace(/MM/,this.getMonth()9?this.getMonth().toString():0 + this.getMonth();str=str.replace(/M/g,this.getMonth();str=str.replace(/w|W/g,Weekthis.getDay();str=str.replace(/dd|DD/,this.getDate()9?this.getDate().toString():0 + this.getDate();str=str.replace(/d|D/g,this.getDate();str=str.replace(/hh|HH/,this.getHours()9?this.getHours().toString():0 + this.getHours();str=str.replace(/h|H/g,this.getHours();str=str.replace(/mm/,this.getMinutes()9?this.getMinutes().toString():0 + this.getMinutes();str=str.replace(/m/g,this.getMinutes();str=str.replace(/ss|SS/,this.getSeconds()9?this.getSeconds().toString():0 + this.getSeconds();str=str.replace(/s|S/g,this.getSeconds();return str;/+-/| 求两个时间的天数差 日期格式为 YYYY-MM-dd/+-function daysBetween(DateOne,DateTwo)var OneMonth = DateOne.substring(5,DateOne.lastIndexOf (-);var OneDay = DateOne.substring(DateOne.length,DateOne.lastIndexOf (-)+1);var OneYear = DateOne.substring(0,DateOne.indexOf (-);var TwoMonth = DateTwo.substring(5,DateTwo.lastIndexOf (-);var TwoDay = DateTwo.substring(DateTwo.length,DateTwo.lastIndexOf (-)+1);var TwoYear = DateTwo.substring(0,DateTwo.indexOf (-);var cha=(Date.parse(OneMonth+/+OneDay+/+OneYear)- Date.parse(TwoMonth+/+TwoDay+/+TwoYear)/86400000);return Math.abs(cha);/+-/| 日期计算/+-Dtotype.DateAdd = function(strInterval, Number) var dtTmp = this;switch (strInterval) case s :return new Date(Date.parse(dtTmp) + (1000 * Number);case n :return new Date(Date.parse(dtTmp) + (60000 * Number);case h :return new Date(Date.parse(dtTmp) + (3600000 * Number);case d :return new Date(Date.parse(dtTmp) + (86400000 * Number);case w :return new Date(Date.parse(dtTmp) + (86400000 * 7) * Number);case q :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth() + Number*3, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds();case m :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth() + Number, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds();case y :return new Date(dtTmp.getFullYear() + Number), dtTmp.getMonth(), dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds();/+-/| 比较日期差 dtEnd 格式为日期型或者有效日期格式字符串/+-Dtotype.DateDiff = function(strInterval, dtEnd) var dtStart = this;if (typeof dtEnd = string )/如果是字符串转换为日期型dtEnd = StringToDate(dtEnd);switch (strInterval) case s :return parseInt(dtEnd - dtStart) / 1000);case n :return parseInt(dtEnd - dtStart) / 60000);case h :return parseInt(dtEnd - dtStart) / 3600000);case d :return parseInt(dtEnd - dtStart) / 86400000);case w :return parseInt(dtEnd - dtStart) / (86400000 * 7);case m :return (dtEnd.getMonth()+1)+(dtEnd.getFullYear()-dtStart.getFullYear()*12) - (dtStart.getMonth()+1);case y :return dtEnd.getFullYear() - dtStart.getFullYear();/+-/| 日期输出字符串，重载了系统的toString方法/+-Dtotype.toString = function(showWeek)var myDate= this;var str = myDate.toLocaleDateString();if (showWeek)var Week = 日,一,二,三,四,五,六;str += 星期 + WeekmyDate.getDay();return str;/+-/| 日期合法性验证/| 格式为：YYYY-MM-DD或YYYY/MM/DD/+-function IsValidDate(DateStr)var sDate=DateStr.replace(/(s+|s+$)/g,); /去两边空格;if(sDate=) return true;/如果格式满足YYYY-(/)MM-(/)DD或YYYY-(/)M-(/)DD或YYYY-(/)M-(/)D或YYYY-(/)MM-(/)D就替换为/数据库中，合法日期可以是:YYYY-MM/DD(2003-3/21),数据库会自动转换为YYYY-MM-DD格式var s = sDate.replace(/d 4,4 -/ 1 d 1,2 -/ 1 d 1,2 /g,);if (s=) /说明格式满足YYYY-MM-DD或YYYY-M-DD或YYYY-M-D或YYYY-MM-Dvar t=new Date(sDate.replace(/-/g,/);var ar = sDate.split(/-/:/);if(ar0 != t.getYear() | ar1 != t.getMonth()+1 | ar2 != t.getDate()/alert(错误的日期格式！格式为：YYYY-MM-DD或YYYY/MM/DD。注意闰年。);return false;else/alert(错误的日期格式！格式为：YYYY-MM-DD或YYYY/MM/DD。注意闰年。);return false;return true;/+-/| 日期时间检查/| 格式为：YYYY-MM-DD HH:MM:SS/+-function CheckDateTime(str)var reg = /(d+)-(d 1,2 )-(d 1,2 ) (d 1,2 ):(d 1,2 ):(d 1,2 )$/;var r = str.match(reg);if(r=null)return false;r2=r2-1;var d= new Date(r1,r2,r3,r4,r5,r6);if(d.getFullYear()!=r1)return false;if(d.getMonth()!=r2)return false;if(d.getDate()!=r3)return false;if(d.getHours()!=r4)return false;if(d.getMinutes()!=r5)return false;if(d.getSeconds()!=r6)return false;return true;/+-/| 把日期分割成数组/+-Dtotype.toArray = function()var myDate = this;var myArray = Array();myArray0 = myDate.getFullYear();myArray1 = myDate.getMonth();myArray2 = myDate.getDate();myArray3 = myDate.getHours();myArray4 = myDate.getMinutes();myArray5 = myDate.getSeconds();return myArray;/+-/| 取得日期数据信息/| 参数 interval 表示数据类型/| y 年 m月 d日 w星期 ww周 h时 n分 s秒/+-Dtotype.DatePart = function(interval)var myDate = this;var partStr=;var Week = 日,一,二,三,四,五,六;switch (interval)case y :partStr = myDate.getFullYear();break;case m :partStr = myDate.getMonth()+1;break;case d :partStr = myDate.getDate();break;case w :partStr = WeekmyDate.getDay();break;case ww :partStr = myDate.WeekNumOfYear();break;case h :partStr = myDate.getHours();break;case n :partStr = myDate.getMinutes();break;case s :partStr = myDate.getSeconds();break;return partStr;/+-/| 取得当前日期所在月的最大天数/+-Dtotype.MaxDayOfDate = function()var myDate = this;var ary = myDate.toArray();var date1 = (new Date(ary0,ary1+1,1);var date2 = date1.dateAdd(1,m,1);var result = dateDiff(date1.Format(yyyy-MM-dd),date2.Format(yyyy-MM-dd);return result;/+-/| 取得当前日期所在周是一年中的第几周/+-Dtotype.WeekNumOfYear = function()var myDate = this;var ary = myDate.toArray();var year = ary0;var month = ary1+1;var day = ary2;document.write( n);document.write(myDate = Datue(+month+-+day+-+year+) n);document.write(result = DatePart(ww,