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）

 1 package test;  2  3 import java.io.UnsupportedEncodingException;  4 import java.text.ParseException;  5 import java.text.SimpleDateFormat;  6 import java.util.Base64;  7 import java.util.Calendar;  8 import java.util.Date;  9  10 public class Test {  11 public static void main(String[] args) throws UnsupportedEncodingException, ParseException {  12 /*  13  * Base64.Encoder encoder = Base64.getEncoder(); Base64.Decoder decoder  14  * = Base64.getDecoder(); String str="mx..05220416";  15  * System.out.println(new  16  * String(decoder.decode("Z2hteDA1MjIwNDE2"),"UTF-8"));  17 */  18 /*  19  * String time ="2018-01-02"; String time2 ="2019-01-02";  20  * SimpleDateFormat sDateFormat=new SimpleDateFormat("yyyy-MM-dd");  21  * //加上时间 Date begin=sDateFormat.parse(time); Date  22  * end=sDateFormat.parse(time2); //System.out.println(begin);  23  * System.out.println(begin.getTime());  24  * System.out.println(end.getTime()); long oneyear=31536000;  25  * System.out.println(end.getTime()/1000-begin.getTime()/1000==oneyear);  26  * System.out.println();  27 */  28  29 String begin="2017-02-27";  30 String end="2017-03-28";  31  System.out.println(test(begin,end));  32  }  33  34 public static boolean test(String beg,String ed) throws ParseException{  35 boolean result=false;  36 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");  37 Date date = format.parse(beg);  38 Date date2 = format.parse(ed);  39 // 开始时间  40 Calendar start = Calendar.getInstance();  41  start.setTime(date);  42 // 结束时间  43 Calendar end = Calendar.getInstance();  44  end.setTime(date2);  45 if(testMonth(start,end)&&testYear(date,date2)&&testDay(start,end)){  46 result=true;  47  }  48 return result;  49  }  50  51  52  53 public static boolean testDay(Calendar start,Calendar end){//时间必须要以月为单位分割  54 boolean result=false;  55 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  56 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  57 if(start.get(Calendar.DATE)==end.get(Calendar.DATE)){  58 result=true;  59  }  60  }  61 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  62 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  63 result=true;  64 }else if(start.get(Calendar.DATE)>end.get(Calendar.DATE)&&end.getActualMaximum(Calendar.DAY_OF_MONTH)==end.get(Calendar.DATE)){  65 result=true;  66  }  67 else if(start.get(Calendar.DATE)<end.get(Calendar.DATE)&&start.getActualMaximum(Calendar.DAY_OF_MONTH)==start.get(Calendar.DATE)){  68 result=true;  69  }  70  }  71 return result;  72  }  73  74  75 public static boolean testYear(Date date,Date date2){  76 boolean result=false;  77 if(date2.getTime()/1000-date.getTime()/1000<31536000){//相差的时间不能大于一年  78 result=true;  79  }  80 System.out.println(date2.getTime()/1000-date.getTime()/1000);  81 return result;  82  }  83  84 public static boolean testMonth(Calendar start,Calendar end){  85 boolean result=false;  86 int subMonthCount = (end.get(Calendar.YEAR) - start.get(Calendar.YEAR) == 0)//相差的月份  87 ? end.get(Calendar.MONTH) - start.get(Calendar.MONTH) // 同一年  88 : ((end.get(Calendar.YEAR) - start.get(Calendar.YEAR) >= 2) // 年数差超过2年  89 ? (end.get(Calendar.YEAR) - start.get(Calendar.YEAR) - 1) * 12  90 + start.getActualMaximum(Calendar.MONTH) - start.get(Calendar.MONTH)  91 + end.get(Calendar.MONTH) + 1  92 : start.getActualMaximum(Calendar.MONTH) - start.get(Calendar.MONTH)  93 + end.get(Calendar.MONTH) + 1); // 年数差为1，Calendar.get(MONTH)  94 // 第一月是0，所以+1  95 //System.out.println(subMonthCount);  96 if(subMonthCount<1){//相差月份必须大于一个月  97 result=false;  98 }else{  99 result=true; 100  } 101 return result; 102  } 103 104 105 }


//欢迎测试