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计算2个日期的相差天数
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Date.prototype.Format = function(fmt) { | |
var o = { | |
"M+" : this.getMonth()+1, //月份 | |
"d+" : this.getDate(), //日 | |
"h+" : this.getHours(), //小时 | |
"m+" : this.getMinutes(), //分 | |
"s+" : this.getSeconds(), //秒 | |
"q+" : Math.floor((this.getMonth()+3)/3), //季度 | |
"S" : this.getMilliseconds() //毫秒 | |
}; | |
if(/(y+)/.test(fmt)) | |
fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length)); | |
for(var k in o) | |
if(new RegExp("("+ k +")").test(fmt)) | |
fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length))); | |
return fmt; | |
} | |
function DateDiff(sDate1, sDate2) { | |
var aDate, oDate1, oDate2, iDays; | |
oDate1 = new Date(sDate1.replace(/-/g, "/")); | |
oDate2 = new Date(sDate2.replace(/-/g, "/")); | |
oDate1 = new Date(oDate1); | |
oDate2 = new Date(oDate2); | |
iDays = parseInt((oDate1.getTime() - oDate2.getTime()) / (1000 * 60 * 60 * 24)); //把相差的毫秒数转换为天数 | |
return iDays; //返回相差天数 | |
} | |
var currentTime = new Date().Format("yyyy-MM-dd"); | |
console.log(currentTime); | |
console.log(DateDiff(currentTime, "2014-06-11")); |
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