java中根据系统时间动态获取季度以及月份
/**
* 根据系统的时间,来判断是否在每月16日-下月15日期之间,并且显示上一月的时间
* 例如,2012年8月16日-2012年9月15日期间,就显示2012年3季度7月
*/
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public static void main(String[] args) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
Calendar now = Calendar.getInstance();
System.out.println(sdf.format(now.getTime()));
Calendar time1 = new GregorianCalendar(now.get(Calendar.YEAR), now.get(Calendar.MONTH), 16);
System.out.println(sdf.format(time1.getTime()));
Calendar time2 = new GregorianCalendar(now.get(Calendar.YEAR), now.get(Calendar.MONTH) + 1, 15);
System.out.println(sdf.format(time2.getTime()));
if (now.after(time1) && now.before(time2)) {
now.add(Calendar.MONTH, -1);
} else {
now.add(Calendar.MONTH, -2);
}
System.out.println("-----------------------");
System.out.println(sdf.format(now.getTime()));
System.out.println(now.get(Calendar.MONTH));
System.out.println(now.get(Calendar.YEAR));
int month = now.get(Calendar.MONTH) + 1;
if(month == 1
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month ==2
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month ==3){
System.out.println("一季度");
}
else if(month == 4
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month ==5
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month ==6){
System.out.println("二季度");
}
else if(month == 7
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month ==8
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month ==9){
System.out.println("三季度");
}
else if(month == 10
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month ==11
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month ==12){
System.out.println("四季度");
}
}