java获取指定日期之间的所有年月

package com.sunjays.utils;

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 DateAndTimeUtil {
	
	

/**
      * 根据 年、月 获取对应的月份 的 天数
      */
     public static int getDaysByYearMonth(int year, int month) {
 
         Calendar a = Calendar.getInstance();
         a.set(Calendar.YEAR, year);
         a.set(Calendar.MONTH, month - 1);
         a.set(Calendar.DATE, 1);
         a.roll(Calendar.DATE, -1);
         int maxDate = a.get(Calendar.DATE);
         return maxDate;
     }
 //获取指定日期之间的所有年月 
    @SuppressWarnings("unused")
	private static List<String> getMonthBetween(String minDate, String maxDate) throws ParseException {
	      ArrayList<String> result = new ArrayList<String>();
	      SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");//格式化为年月
	  
	      Calendar min = Calendar.getInstance();
	      Calendar max = Calendar.getInstance();
	  
	      min.setTime(sdf.parse(minDate));
	      min.set(min.get(Calendar.YEAR), min.get(Calendar.MONTH), 1);
	  
	      max.setTime(sdf.parse(maxDate));
	      max.set(max.get(Calendar.YEAR), max.get(Calendar.MONTH), 2);
	  
	      Calendar curr = min;
	      while (curr.before(max)) {
	       result.add(sdf.format(curr.getTime()));
	       curr.add(Calendar.MONTH, 1);
	      }
	  
	      return result;
	    }
      public static void main(String[] args) throws ParseException {  
       
    	  List<String> list=getMonthBetween("2017-02-05","2018-02-05");
    	  for (String string : list) {
			System.out.println(string);
		}
      }
    
}

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转载自blog.csdn.net/qi923701/article/details/79373156
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