摘要：
注意操作前，请先getInstanceweek_of_year和两个值有关：firstDayOfWeek & minimalDaysInFirstWeekfirstDayOfWeek: 一周的第一天周几开始，默认周日//判断是否周日开始boolean isFirstSunday = (c.getFi... 阅读全文
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摘要：
注意操作前，请先getInstanceweek_of_year和两个值有关：firstDayOfWeek & minimalDaysInFirstWeekfirstDayOfWeek: 一周的第一天周几开始，默认周日//判断是否周日开始boolean isFirstSunday = (c.getFi... 阅读全文
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