javascriptは現在の日付時間とその他の操作関数を取得します.

12137 ワード

myDate.getYear()//現在の年を取得(2桁)
myDate.get FlaYear()//.完全な年(4桁、1970-?????)を取得します.
myDate.get Month()//現在の月を取得します.0-11,0は1月を表します.
myste.get Date()///現在の日を取得(1-31)
myDate.getDay()///現在の曜日X(0-6,0は日曜日)を取得します.
myDate.getTime()//現在の時刻を取得する(1970.0.1からのミリ秒数)
myDate.get Hours()//現在の時間数(0-23)を取得します.
myste.get Minutes()//現在の分数を取得(0-59)
myDate.get Seconds()//現在の秒数を取得(0-59)
myDate.get Milliseconds()//現在のミリ秒数(0-999)を取得します.
myDate.toLocaree DateString()//現在の日付を取得
var mytime=myDate.toLocal TimeString()//現在の時間を取得
myDate.toLocale String()//日付と時間の取得
日付時間スクリプトライブラリのメソッドリスト
Date.prototype.isLeaphYearは閏年と判断します.
Date.prototype.Format日付フォーマット
Date.prototype.DateAdd日付計算
Date.prototype.DateDiffは日付が悪いです.
Date.prototype.toString日付変換文字列
Date.prototype.toAray日付は配列に分割されます.
Date.prototype.DatePart日付の一部情報
Date.prototype.MaxDayOfDate取期日がある月の最大日数
Date.prototype.WeekNumOfYear判定日付は何週目ですか?
StringToDate文字列を日付に変換するタイプ
IsValidDate検証日付の有効性
CheckDateTime完全日時チェック
daysBetween日付の日数差
 
  
//---------------------------------------------------
//
//---------------------------------------------------
Date.prototype.isLeapYear = function()
{
return (0==this.getYear()%4&&((this.getYear()%100!=0)||(this.getYear()%400==0)));
}

//---------------------------------------------------
//
// YYYY/yyyy/YY/yy
// MM/M
// W/w
// dd/DD/d/D
// hh/HH/h/H
// mm/m
// ss/SS/s/S
//---------------------------------------------------
Date.prototype.Format = function(formatStr)
{
var str = formatStr;
var Week = [' ',' ',' ',' ',' ',' ',' '];

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;
}

//+---------------------------------------------------
//| 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);
}


//+---------------------------------------------------
//|
//+---------------------------------------------------
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());
}
}

//+---------------------------------------------------
//| dtEnd
//+---------------------------------------------------
Date.prototype.DateDiff = function(strInterval, dtEnd) {
var dtStart = this;
if (typeof dtEnd == 'string' )//
{
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();
}
}

//+---------------------------------------------------
//| , toString
//+---------------------------------------------------
Date.prototype.toString = function(showWeek)
{
var myDate= this;
var str = myDate.toLocaleDateString();
if (showWeek)
{
var Week = [' ',' ',' ',' ',' ',' ',' '];
str += ' ' + Week[myDate.getDay()];
}
return str;
}

//+---------------------------------------------------
//|
//| :YYYY-MM-DD YYYY/MM/DD
//+---------------------------------------------------
function IsValidDate(DateStr)
{
var sDate=DateStr.replace(/(^\s+|\s+$)/g,''); // ;
if(sDate=='') return true;
// YYYY-(/)MM-(/)DD YYYY-(/)M-(/)DD YYYY-(/)M-(/)D YYYY-(/)MM-(/)D ''
// , :YYYY-MM/DD(2003-3/21), YYYY-MM-DD
var s = sDate.replace(/[\d]{ 4,4 }[\-/]{ 1 }[\d]{ 1,2 }[\-/]{ 1 }[\d]{ 1,2 }/g,'');
if (s=='') // YYYY-MM-DD YYYY-M-DD YYYY-M-D 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(' ! :YYYY-MM-DD YYYY/MM/DD。 。');
return false;
}
}
else
{
//alert(' ! :YYYY-MM-DD YYYY/MM/DD。 。');
return false;
}
return true;
}

//+---------------------------------------------------
//|
//| :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;
}

//+---------------------------------------------------
//|
//+---------------------------------------------------
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;
}

//+---------------------------------------------------
//|
//| interval
//| y m d w ww h n s
//+---------------------------------------------------
Date.prototype.DatePart = function(interval)
{
var myDate = this;
var partStr='';
var Week = [' ',' ',' ',' ',' ',' ',' '];
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;
}

//+---------------------------------------------------
//|
//+---------------------------------------------------
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;
}

//+---------------------------------------------------
//|
//+---------------------------------------------------
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\>
');
document.write('myDate = DateValue(''+month+'-'+day+'-'+year+'')
');
document.write('result = DatePart('ww', myDate)
');
document.write('
');
return result;
}

//+---------------------------------------------------
//|
//| 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;
}