时间过滤器（几天前，几个月前）解析

时间过滤器（几天前，几个月前）

//时间过滤器2
function getdatediff(datetimestamp) {
var paddate = function(va) {
va = va < 10 '' + va : va;
return va
}
var minute = 1000 * 60;
var hour = minute * 60;
var day = hour * 24;
var halfamonth = day * 15;
var month = day * 30;
var now = new date().gettime();
var oldtime = new date(datetimestamp.replace(/-/g, '/').replace(/t/g, ' ').substr(0, 19)).gettime()
var diffvalue = now - oldtime;
if(diffvalue < 0) {
return;
}
var monthc = diffvalue / month;
var weekc = diffvalue / (7 * day);
var dayc = diffvalue / day;
var hourc = diffvalue / hour;
var minc = diffvalue / minute;
// if(monthc >= 1) {
// result = "" + parseint(monthc) + "月前";
// } else if(weekc >= 1) {
// result = "" + parseint(weekc) + "周前";
// } else
if(dayc >= 3) {
var regtime = datetimestamp.replace(/-/g, '/').replace(/t/g, ' ');
var time = regtime.substr(0, 19);
var value = new date(time);
var year = value.getfullyear();
var month = paddate(value.getmonth() + 1);
var day = paddate(value.getdate());
var hour = paddate(value.gethours());
var minutes = paddate(value.getminutes());
var seconds = paddate(value.getseconds());
result = year + '.' + month + '.' + day;
} else if(dayc >= 1) {
result = "" + parseint(dayc) + "天前";
} else if(hourc >= 1) {
result = "" + parseint(hourc) + "小时前";
} else if(minc >= 1) {
result = "" + parseint(minc) + "分钟前";
} else {
result = "刚刚";
}

return result;
}