我试图在 Java 中获取介于给定开始日期和结束日期之间的周数。这是ISO8601
约会。
Example
startDate - "2018-08-24T12:18:06,166"
endDate - "2019-08-24T11:18:06,166"
当前周数是 34。
对于这个例子,我会得到 34,35,36... 2018 年的最后一周数..1,2... 2019 年的最后一周数等等
有什么好的解决办法吗?
目前我让它在相同的年份日期范围内工作,我尝试的是,我从开始日期和结束日期获得开始周数和结束周数,然后我循环它给出开始值和结束值。但是如果日期范围在多年内下降,那会怎样?谁能帮我
如果您使用的是 Java 8,则可以使用java.time API 像这样:
int addWeek = 0;
if(startDate.get(WeekFields.ISO.weekOfYear()) < endDate.get(WeekFields.ISO.weekOfYear())){
addWeek = 1;
}
long weeks = WEEKS.between(startDate, endDate) + addWeek;//Get the number of weeks in your case (52)
List<Integer> numberWeeks = new ArrayList<>();
if (weeks >= 0) {
int week = 0;
do {
//Get the number of week
int weekNumber = startDate.plusWeeks(week).get(WeekFields.ISO.weekOfYear());
numberWeeks.add(weekNumber);
week++;
} while (week <= weeks);
}
[34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34]
请注意,您会从两个年份、几周的2018 [34-52]
,然后是几周的2019 [1-33]
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