js日期时间函数(经典＋完美＋实用)
js日期时间函数(经典＋完善＋实用)日期时间脚本库方法列表Date.prototype.isLeapYear?判断闰年Date.prototyp
js日期时间函数(经典＋完善＋实用)
日期时间脚本库方法列表
Date.prototype.isLeapYear?判断闰年
Date.prototype.Format?日期格式化
Date.prototype.DateAdd?日期计算
Date.prototype.DateDiff?比较日期差
Date.prototype.toString?日期转字符串
Date.prototype.toArray?日期分割为数组
Date.prototype.DatePart?取日期的部分信息
Date.prototype.MaxDayOfDate?取日期所在月的最大天数
Date.prototype.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??//---------------------------------------------------??Date.prototype.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??//---------------------------------------------------??Date.prototype.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,Week[this.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??//+---------------------------------------------------??Date.prototype.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??//+---------------------------------------------------??Date.prototype.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??//+---------------------------------------------------??Date.prototype.toString?=?function(showWeek)??{???????var?myDate=?this;??????var?str?=?myDate.toLocaleDateString();??????if?(showWeek)??????{???????????var?Week?=?['日','一','二','三','四','五','六'];??????????str?+=?'?星期'?+?Week[myDate.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+$)/g,'');?//去两边空格;???????if(sDate=='')?return?true;???????//如果格式满足YYYY-(/)MM-(/)DD或YYYY-(/)M-(/)DD或YYYY-(/)M-(/)D或YYYY-(/)MM-(/)D就替换为''???????//数据库中，合法日期可以是:YYYY-MM/DD(2003-3/21),数据库会自动转换为YYYY-MM-DD格式???????var?s?=?sDate.replace(/[\d]{?4,4?}[\-/]{?1?}[\d]{?1,2?}[\-/]{?1?}[\d]{?1,2?}/g,'');???????if?(s=='')?//说明格式满足YYYY-MM-DD或YYYY-M-DD或YYYY-M-D或YYYY-MM-D???????{???????????var?t=new?Date(sDate.replace(/\-/g,'/'));???????????var?ar?=?sDate.split(/[-/:]/);???????????if(ar[0]?!=?t.getYear()?||?ar[1]?!=?t.getMonth()+1?||?ar[2]?!=?t.getDate())???????????{???????????????//alert('错误的日期格式！格式为：YYYY-MM-DD或YYYY/MM/DD。注意闰年。');???????????????return?false;???????????}???????}???????else???????{???????????//alert('错误的日期格式！格式为：YYYY-MM-DD或YYYY/MM/DD。注意闰年。');???????????return?false;???????}???????return?true;???}?????//+---------------------------------------------------??//|?日期时间检查??//|?格式为：YYYY-MM-DD?HH:MM:SS??//+---------------------------------------------------??function?CheckDateTime(str)??{???????var?reg?=?/^(\d+)-(\d{?1,2?})-(\d{?1,2?})?(\d{?1,2?}):(\d{?1,2?}):(\d{?1,2?})$/;???????var?r?=?str.match(reg);???????if(r==null)return?false;???????r[2]=r[2]-1;???????var?d=?new?Date(r[1],r[2],r[3],r[4],r[5],r[6]);???????if(d.getFullYear()!=r[1])return?false;???????if(d.getMonth()!=r[2])return?false;???????if(d.getDate()!=r[3])return?false;???????if(d.getHours()!=r[4])return?false;???????if(d.getMinutes()!=r[5])return?false;???????if(d.getSeconds()!=r[6])return?false;???????return?true;???}?????//+---------------------------------------------------??//|?把日期分割成数组??//+---------------------------------------------------??Date.prototype.toArray?=?function()??{???????var?myDate?=?this;??????var?myArray?=?Array();??????myArray[0]?=?myDate.getFullYear();??????myArray[1]?=?myDate.getMonth();??????myArray[2]?=?myDate.getDate();??????myArray[3]?=?myDate.getHours();??????myArray[4]?=?myDate.getMinutes();??????myArray[5]?=?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??//+---------------------------------------------------??Date.prototype.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?=?Week[myDate.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??//+---------------------------------------------------??Date.prototype.MaxDayOfDate?=?function()??{???????var?myDate?=?this;??????var?ary?=?myDate.toArray();??????var?date1?=?(new?Date(ary[0],ary[1]+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??//+---------------------------------------------------??Date.prototype.WeekNumOfYear?=?function()??{???????var?myDate?=?this;??????var?ary?=?myDate.toArray();??????var?year?=?ary[0];??????var?month?=?ary[1]+1;??????var?day?=?ary[2];??????document.write('<?script?language=VBScript\>?\n');??????document.write('myDate?=?DateValue(''+month+'-'+day+'-'+year+'')?\n');??????document.write('result?=?DatePart('ww',?myDate)?\n');??????document.write('?\n');??????return?result;??}????//+---------------------------------------------------??//|?字符串转成日期类型???//|?格式?MM/dd/YYYY?MM-dd-YYYY?YYYY/MM/dd?YYYY-MM-dd??//+---------------------------------------------------??function?StringToDate(DateStr)??{?????????var?converted?=?Date.parse(DateStr);??????var?myDate?=?new?Date(converted);??????if?(isNaN(myDate))??????{???????????//var?delimCahar?=?DateStr.indexOf('/')!=-1?'/':'-';??????????var?arys=?DateStr.split('-');??????????myDate?=?new?Date(arys[0],--arys[1],arys[2]);??????}??????return?myDate;??} ?
