java判断小于具体时间_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）...

港控/mmm° 2022-11-07 14:56 247阅读 0赞

1 packagetest;2

3 importjava.io.UnsupportedEncodingException;4 importjava.text.ParseException;5 importjava.text.SimpleDateFormat;6 importjava.util.Base64;7 importjava.util.Calendar;8 importjava.util.Date;9

10 public classTest \{11 public static void main(String\[\] args) throwsUnsupportedEncodingException, ParseException \{12 /\*

13 \* Base64.Encoder encoder = Base64.getEncoder(); Base64.Decoder decoder14 \* = Base64.getDecoder(); String str="mx..05220416";15 \* System.out.println(new16 \* 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); Date22 \* 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 \*/

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) throwsParseException\{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 returnresult;49 \}50

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)

75 public static booleantestYear(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 returnresult;82 \}83

84 public static booleantestMonth(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+195 //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 returnresult;102 \}103

104

105 \}

//欢迎测试