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