javascript 时间格式方法
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- 2016-06-06 20:01:191667browse
//时间格式设置 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+" :
//时间格式设置
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;
}
//用法
var d = new Date();
d.format("h");
//判断时间
function convertdate(strdate) {
strdate = strdate.replace(/-/ig,'/');
var d = new Date(strdate);
var now = new Date();
var result;
if (d.getYear() == now.getYear() && d.getMonth() == now.getMonth()) {
var xday = now.getDate() - d.getDate();
switch (xday) {
case 0:
result = "今天 " + d.format("hh") + ":" + d.format("mm") + ":" + d.format("ss");
break;
case 1:
result = "昨天 " + d.format("hh") + ":" + d.format("mm") + ":" + d.format("ss");
break;
case 2:
result = "前天 " + d.format("hh") + ":" + d.format("mm") + ":" + d.format("ss");
break;
default:
result = d.format("yyyy-MM-dd hh:mm");
break;
}
} else {
result = d.format("yyyy-MM-dd hh:mm");
}
return result;
}