두 날짜간의 차이

$.extend({

//=====================================================================================

// 두 날짜간의 차이

// dateType : w : 주 , d : 일, h : 시, n : 분, s : 초

//=====================================================================================

getDateDiff: function(dateType, toDate, fromDate){

var dateType = dateType.toLowerCase();

var fromDate = fromDate == null ? $.getToday(1) : fromDate;

var splitFromDate = fromDate.split("-");

var splitToDate = toDate.split("-");

var divideNum = { w: 604800000, d: 86400000, h: 3600000, n: 60000, s: 1000 };

var dateGap;

fromDate = Date.UTC(splitFromDate[0], parseInt(splitFromDate[1], 10) + 1, splitFromDate[2]);

toDate = Date.UTC(splitToDate[0], parseInt(splitToDate[1], 10) + 1, splitToDate[2]);

dateGap = Math.floor((toDate - fromDate) / divideNum[dateType]);

return dateGap;

},

//=====================================================================================

// 오늘 날짜

//=====================================================================================

getToday: function(dateType){

var today = new Date();

switch (dateType){

case 1 :

today = today.getFullYear() + "-" + $.addZero(today.getMonth() + 1) + "-" + $.addZero(today.getDate());

break;

case 2 :

today = today.getFullYear() + $.addZero(today.getMonth() + 1) + $.addZero(today.getDate());

break;

}

return today;

},

//=====================================================================================

// 10 이하 숫자 앞에 0 삽입

//=====================================================================================

addZero: function(number){

return parseInt(number, 10) < 10 ? "0" + number : number;

}

});

$.getDateDiff('2011-01-30')

$.getDateDiff('2011-01-30', '2011-01-01')