我想计算一个时刻(itemMoment)和现在(nowMoment)之间的差值,由工作日、小时和分钟定义。如果itemMoment在nowMoment (diff <0)我想添加一个星期并再次计算差异,但是添加一个星期(在我的代码中是week: week + 1)不知何故不会改变差异,我仍然得到负差异。
这是我第一次使用moment.js库,所以可能我不知道如何正确使用它。如果有经验的人能帮上忙,那就太好了。
var now = moment();
var year = now.year();
var week = now.week();
var weekday = now.weekday();
var hour = now.hour();
var minute = now.minute();
var itemMoment = moment({
day: item.weekday,
hour: item.hour,
minute: item.minute
});
var nowMoment = moment({
day: weekday,
hour: hour,
minute: minute
});
if (itemMoment.diff(nowMoment) > 0) {
item.date = moment({
year: year,
week: week,
weekday: item.weekday,
hour: item.hour,
minute: item.minute
});
diff = itemMoment.diff(nowMoment);
}
else {
if (week == 51) {
week = -1;
year = year + 1
}
item.date = moment({
year: year,
week: week + 1,
weekday: item.weekday,
hour: item.hour,
minute: item.minute
});
diff = item.date.diff(now);
您可以使用isBefore()或isAfter()进行比较。http://momentjs.com/docs//查询/
if (itemMoment.isBefore(nowMoment)) {
然后你可以这样操作:http://momentjs.com/docs/#/manipulating/
item.date = itemMoment.add('weeks', 1);