package com.forezp.util;
import org.joda.time.DateTime;
import org.joda.time.Months;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
/**
 * 在JAVA中，如何計(jì)算兩個(gè)日期的月份差？<br>
 * 
 * 
 * @author Administrator
 *
 */
public class Demo1 {
	public static void main(String[] args) {
		DateTimeFormatter formatter = DateTimeFormat.forPattern("yyyy-MM-dd");
		DateTime start = formatter.parseDateTime("2017-07-11");
		DateTime end = formatter.parseDateTime("2017-11-19");
		int months = Months.monthsBetween(start, end).getMonths();
		System.out.println(months);
	}
}

 <dependency>
  <groupId>joda-time</groupId>
  <artifactId>joda-time</artifactId>
  <version>2.9.6</version>
</dependency>