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下面给大家介绍下js获取时间的函数集。

$(function(){

var mydate = new Date();

var t=mydate.toLocaleString();

$("#time").text(t);

$("#time").load("Untitled-1.html"); 

});

获取JavaScript 的时间使用内置的Date函数完成：

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：

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

二.

//---------------------------------------------------

// 判断闰年

//---------------------------------------------------

Date.prototype.isLeapYear = function()

{

return (0==this.getYear()%4&&((this.getYear()0!=0)||(this.getYear()@0==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;

}