private String[] getDateArrByMonth(Date startDate, Date endDate) {

  Calendar c = Calendar.getInstance();  

 List<String> list = new ArrayList<String>();  

 SimpleDateFormat df = new SimpleDateFormat("yyyy年MM月");

  for (; startDate.getTime() <= endDate.getTime();) {    

　String _startDate = df.format(startDate);   

   list.add(_startDate);    

　c.setTime(startDate);    

   c.add(Calendar.MONTH, 1);    //加一个月

   startDate = c.getTime();   

}

  String[] ret = new String[list.size()];   

　　for (int i = 0; i < list.size(); i++) {    

　　ret[i] = list.get(i);   

}

  return ret;  }

根据日期时间段获取各个月份