我想做一些分页来保存同一周的记录。
所以间隔将在周一 00:00 - 周日 23:59 之间
所有这些都在 Unix 时间。所以我可以查询数据库在这个间隔之间的记录。
答案 0 :(得分:0)
您可以使用日期时间。
DateTime now = DateTime.now();
int daysOfWeek = now.weekday - 1;
DateTime firstDay = DateTime(now.year, now.month, now.day - daysOfWeek);
DateTime lastDay = firstDay.add(Duration(days: 6, hours: 23, minutes: 59));
print(firstDay);
print(lastDay);
DateTime nextFirst = firstDay.add(Duration(days: 7));
DateTime nextLast = lastDay.add(Duration(days: 7));
print(nextFirst);
print(nextLast);
DateTime prevFirst = firstDay.subtract(Duration(days: 7));
DateTime prevLast = lastDay.subtract(Duration(days: 7));
print(prevFirst);
print(prevLast);
答案 1 :(得分:0)
本周第一天是
DateTime firstDayOfCurrentWeek() {
DateTime now = DateTime.now();
DateTime firstDayOfCurrentWeek =
now.subtract(Duration(days: now.weekday - 1));
return firstDayOfCurrentWeek.clearTime();
}
DateTime clearTime() {
return DateTime(this.year, this.month, this.day, 0, 0, 0, 0, 0);
}