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add 添加判断两个日期是否为一周（国内一周的开始为周一，国外一周的开始为周日）

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This commit is contained in:
naooohu 2022-01-20 01:28:58 +08:00
parent 9a88945386
commit 538874562d
3 changed files with 55 additions and 0 deletions
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16
hutool-core/src/main/java/cn/hutool/core/date/CalendarUtil.java
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@ -348,6 +348,22 @@ public class CalendarUtil {
cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA);
}
/**
* 比较两个日期是否为同一周
*
* @param cal1 日期1
* @param cal2 日期2
* @return 是否为同一周
*/
public static boolean isSameWeek(Calendar cal1, Calendar cal2) {
if (cal1 == null || cal2 == null) {
throw new IllegalArgumentException("The date must not be null");
}
return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) &&
cal1.get(Calendar.MONTH) == cal2.get(Calendar.MONTH) &&
cal1.get(Calendar.DAY_OF_WEEK) == cal2.get(Calendar.DAY_OF_WEEK);
}
/**
* 比较两个日期是否为同一月
*

28
hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java
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@ -1586,6 +1586,34 @@ public class DateUtil extends CalendarUtil {
return CalendarUtil.isSameDay(calendar(date1), calendar(date2));
}
/**
* 比较两个日期是否为同一周
*
* @param date1 日期1
* @param date2 日期2
* @param isMon 是否为周一。国内第一天为星期一，国外第一天为星期日
* @return 是否为同一周
*/
public static boolean isSameWeek(final Date date1, final Date date2, boolean isMon) {
if (date1 == null || date2 == null) {
throw new IllegalArgumentException("The date must not be null");
}
Calendar calendar1 = calendar(date1);
Calendar calendar2 = calendar(date2);
if (isMon) {
calendar1.setFirstDayOfWeek(Calendar.MONDAY);
calendar1.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
calendar2.setFirstDayOfWeek(Calendar.MONDAY);
calendar2.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
} else {
calendar1.setFirstDayOfWeek(Calendar.SUNDAY);
calendar1.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
calendar2.setFirstDayOfWeek(Calendar.SUNDAY);
calendar2.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
}
return CalendarUtil.isSameWeek(calendar1, calendar2);
}
/**
* 比较两个日期是否为同一月
*

11
hutool-core/src/test/java/cn/hutool/core/date/DateUtilTest.java
View File

@ -1004,4 +1004,15 @@ public class DateUtilTest {
final DateTime parse = DateUtil.parse("2021-12-01", DatePattern.NORM_DATE_FORMATTER);
Assert.assertEquals("2021-12-01 00:00:00", parse.toString());
}
@Test
public void test() {
// 周六与周日比较
final boolean isSameWeek = DateUtil.isSameWeek(DateTime.of("2022-01-01", "yyyy-MM-dd"), DateTime.of("2022-01-02", "yyyy-MM-dd"), true);
Assert.assertTrue(isSameWeek);
// 周日与周一比较
final boolean isSameWeek1 = DateUtil.isSameWeek(DateTime.of("2022-01-02", "yyyy-MM-dd"), DateTime.of("2022-01-03", "yyyy-MM-dd"), false);
Assert.assertTrue(isSameWeek1);
}
}