获取java日期一段时间内的月份列表

package com.hym.test;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

public class DateTest {

	public List<String> getMonthList(String beginTime, String endTime) {
		SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");
		SimpleDateFormat monthFormat = new SimpleDateFormat("yyyy-MM");
		List<String> monthList = new ArrayList<String>();
		try {
			Date begin = format.parse(beginTime);
			Date end = format.parse(endTime);
			int months = (end.getYear() - begin.getYear()) * 12
					+ (end.getMonth() - begin.getMonth());
			
			for (int i = 0; i <= months; i++) {
				Calendar calendar = Calendar.getInstance();  
				calendar.setTime(begin);  
				calendar.add(Calendar.MONTH, i);
				monthList.add(monthFormat.format(calendar.getTime()));
			}

		} catch (ParseException e) {
			e.printStackTrace();
		}

		return monthList;
	}
	
	public static void main(String[] args) {
		DateTest test = new DateTest();
		List<String> list = test.getMonthList("20120428", "20121105");
		System.out.println(list.toString());
	}
}