日期:2014-05-20 浏览次数:20827 次
Calendar c = Calendar.getInstance();
c.setTime(new Date()) ;
c.add(Calendar.MONTH, -1) ; //上个月
//c.add(Calendar.MONTH, 1) ; //下个月
int currDayCnt = c.getActualMaximum(Calendar.DAY_OF_MONTH) ;
if (currDayCnt >= 30){
System.out.println(" >= 30") ;
}else{
System.out.println(" < 30") ;
}