Calendar 中常量说明

 

Calendar cal = Calendar.getInstance(); //当前年 int year = cal.get(Calendar.YEAR); //当前月 Calendar.MONTH从0开始 int month = (cal.get(Calendar.MONTH))+1; //当前月的第几天：即当前日 int day_of_month = cal.get(Calendar.DAY_OF_MONTH); //Calendar.DAY_OF_MONTH 和 Calendar.DATE 是等价的 int date = cal.get(Calendar.DATE); //当前时：HOUR_OF_DAY-24小时制 int hour24 = cal.get(Calendar.HOUR_OF_DAY); //HOUR-12小时制 int hour12 = cal.get(Calendar.HOUR); //当前分 int minute = cal.get(Calendar.MINUTE); //当前秒 int second = cal.get(Calendar.SECOND); // 星期几 Calendar.DAY_OF_WEEK用数字（1~7）表示（星期日~星期六） int day_of_week = cal.get(Calendar.DAY_OF_WEEK)-1; //0-上午；1-下午 int ampm = cal.get(Calendar.AM_PM); //当前年的第几周 int week_of_year = cal.get(Calendar.WEEK_OF_YEAR); //当前月的星期数 int week_of_month = cal.get(Calendar.WEEK_OF_MONTH); //当前月中的第几个星期 int day_of_week_in_month = cal.get(Calendar.DAY_OF_WEEK_IN_MONTH); //当前年的第几天 int day_of_year = cal.get(Calendar.DAY_OF_YEAR);