java时间工具 判断时间大于一个月，小于一年，时间必须以月为单位分割（欢迎测试）

package test;

import java.io.UnsupportedEncodingException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Base64;
import java.util.Calendar;
import java.util.Date;

public class Test {
    public static void main(String[] args) throws UnsupportedEncodingException, ParseException {
        /*
         * Base64.Encoder encoder = Base64.getEncoder(); Base64.Decoder decoder
         * = Base64.getDecoder(); String str="mx..05220416";
         * System.out.println(new
         * String(decoder.decode("Z2hteDA1MjIwNDE2"),"UTF-8"));
         */
        /*
         * String time ="2018-01-02"; String time2 ="2019-01-02";
         * SimpleDateFormat sDateFormat=new SimpleDateFormat("yyyy-MM-dd");
         * //加上时间 Date begin=sDateFormat.parse(time); Date
         * end=sDateFormat.parse(time2); //System.out.println(begin);
         * System.out.println(begin.getTime());
         * System.out.println(end.getTime()); long oneyear=31536000;
         * System.out.println(end.getTime()/1000-begin.getTime()/1000==oneyear);
         * System.out.println();
         */    
        
        String begin="2017-02-27";
        String end="2017-03-28";
        System.out.println(test(begin,end));
    }

    public static boolean test(String beg,String ed) throws ParseException{
        boolean result=false;
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        Date date = format.parse(beg);
        Date date2 = format.parse(ed);
        // 开始时间
        Calendar start = Calendar.getInstance();
        start.setTime(date);
        // 结束时间
        Calendar end = Calendar.getInstance();
        end.setTime(date2);
        if(testMonth(start,end)&&testYear(date,date2)&&testDay(start,end)){
             result=true;
        }
        return result;
    }
    
    

public static boolean testDay(Calendar start,Calendar end){//时间必须要以月为单位分割
        boolean result=false;
        if(start.getActualMaximum(Calendar.DAY_OF_MONTH)==start.get(Calendar.DATE)){//说明这是开始时间是月份的最后一天
            result=end.getActualMaximum(Calendar.DAY_OF_MONTH)==end.get(Calendar.DATE);//那么结束时间也需要是月份的最后一天
            if(start.get(Calendar.DATE)==end.get(Calendar.DATE)){
                result=true;
            }
        }
        if(start.getActualMaximum(Calendar.DAY_OF_MONTH)>start.get(Calendar.DATE)){//说明这是开始时间不是月份的最后一天
            if(start.get(Calendar.DATE)==end.get(Calendar.DATE)){//结束时间和开始时间是不同月份的同一天
                result=true;
            }else if(start.get(Calendar.DATE)>end.get(Calendar.DATE)&&end.getActualMaximum(Calendar.DAY_OF_MONTH)==end.get(Calendar.DATE)){
                result=true;
            }
            else if(start.get(Calendar.DATE)<end.get(Calendar.DATE)&&start.getActualMaximum(Calendar.DAY_OF_MONTH)==start.get(Calendar.DATE)){
                result=true;
            }
        }
        return result;
        }
    
    
    public static boolean testYear(Date date,Date date2){
        boolean result=false;
        if(date2.getTime()/1000-date.getTime()/1000<31536000){//相差的时间不能大于一年
            result=true;
        }
        System.out.println(date2.getTime()/1000-date.getTime()/1000);
        return result;
    }
    
    public static boolean testMonth(Calendar start,Calendar end){
        boolean result=false;
        int subMonthCount = (end.get(Calendar.YEAR) - start.get(Calendar.YEAR) == 0)//相差的月份
                ? end.get(Calendar.MONTH) - start.get(Calendar.MONTH) // 同一年
                : ((end.get(Calendar.YEAR) - start.get(Calendar.YEAR) >= 2) // 年数差超过2年
                        ? (end.get(Calendar.YEAR) - start.get(Calendar.YEAR) - 1) * 12
                                + start.getActualMaximum(Calendar.MONTH) - start.get(Calendar.MONTH)
                                + end.get(Calendar.MONTH) + 1
                        : start.getActualMaximum(Calendar.MONTH) - start.get(Calendar.MONTH)
                                + end.get(Calendar.MONTH) + 1); // 年数差为1，Calendar.get(MONTH)
                                                                // 第一月是0，所以+1
        //System.out.println(subMonthCount);
        if(subMonthCount<1){//相差月份必须大于一个月
            result=false;
        }else{
            result=true;
        }
        return result;
    }
    
    
}


//欢迎测试