一。时间加减,日期加减,年月日加减一样。
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var mydate=
new Date('2012-05-10 10:10:21');
mydate.setDate(mydate.getDate()+50); // 当前时间加50天
mydate.setDate(mydate.getDate()+50); // 当前时间加50天
二。分钟秒钟加减,setMinutes方法
格式转换
<!--<br /> <br /> Code highlighting produced by Actipro CodeHighlighter (freeware)<br /> http://www.CodeHighlighter.com/<br /> <br /> -->Date.prototype.format =
function(format)
{
var o = {
"M+" : this.getMonth()+1, // month
"d+" : this.getDate(), // day
"h+" : this.getHours(), // hour
"m+" : this.getMinutes(), // minute
"s+" : this.getSeconds(), // second
"q+" : Math.floor(( this.getMonth()+3)/3), // quarter
"S" : this.getMilliseconds() // millisecond
}
if(/(y+)/.test(format))
format=format.replace(RegExp.$1,( this.getFullYear()+"").substr(4 - RegExp.$1.length));
for( var k in o)
if( new RegExp("("+ k +")").test(format))
format = format.replace(RegExp.$1,RegExp.$1.length==1 ? o[k] : ("00"+ o[k]).substr((""+ o[k]).length));
return format;
}
{
var o = {
"M+" : this.getMonth()+1, // month
"d+" : this.getDate(), // day
"h+" : this.getHours(), // hour
"m+" : this.getMinutes(), // minute
"s+" : this.getSeconds(), // second
"q+" : Math.floor(( this.getMonth()+3)/3), // quarter
"S" : this.getMilliseconds() // millisecond
}
if(/(y+)/.test(format))
format=format.replace(RegExp.$1,( this.getFullYear()+"").substr(4 - RegExp.$1.length));
for( var k in o)
if( new RegExp("("+ k +")").test(format))
format = format.replace(RegExp.$1,RegExp.$1.length==1 ? o[k] : ("00"+ o[k]).substr((""+ o[k]).length));
return format;
}
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var mydate=
new Date('2012-05-10 10:10:21');
mydate.setDate(mydate.getDate()+50);
mydate.setMinutes(min, sec, ms)
alert(mydate.format("yyyy-MM-dd hh:mm:ss"));
mydate.setDate(mydate.getDate()+50);
mydate.setMinutes(min, sec, ms)
alert(mydate.format("yyyy-MM-dd hh:mm:ss"));