回答編集履歴
1
コード追加
test
CHANGED
|
@@ -1,6 +1,8 @@
|
|
|
1
1
|
日付差分だけならdifferenceDaysの中身がこんな感じでいかが？
|
|
2
2
|
|
|
3
3
|
|
|
4
|
+
|
|
5
|
+
```java
|
|
4
6
|
|
|
5
7
|
Calendar cal1 = Calendar.getInstance();
|
|
6
8
|
|
|
@@ -27,3 +29,103 @@
|
|
|
27
29
|
cal1.add(Calendar.DATE, -1 * cal2.get(Calendar.DATE);
|
|
28
30
|
|
|
29
31
|
return (int)cal1.get(Calendar.DATE);
|
|
32
|
+
|
|
33
|
+
```
|
|
34
|
+
|
|
35
|
+
|
|
36
|
+
|
|
37
|
+
【追記】
|
|
38
|
+
|
|
39
|
+
年月日時分秒で差を求めるのだと下記のような感じになるかな？
|
|
40
|
+
|
|
41
|
+
|
|
42
|
+
|
|
43
|
+
```java
|
|
44
|
+
|
|
45
|
+
Calendar c1 = Calendar.getInstance();
|
|
46
|
+
|
|
47
|
+
c1.setTime(date1);
|
|
48
|
+
|
|
49
|
+
|
|
50
|
+
|
|
51
|
+
Calendar c2 = Calendar.getInstance();
|
|
52
|
+
|
|
53
|
+
c2.setTime(date2);
|
|
54
|
+
|
|
55
|
+
|
|
56
|
+
|
|
57
|
+
// millisecond
|
|
58
|
+
|
|
59
|
+
c1.set(Calendar.MILLISECOND, 0);
|
|
60
|
+
|
|
61
|
+
c2.set(Calendar.MILLISECOND, 0);
|
|
62
|
+
|
|
63
|
+
|
|
64
|
+
|
|
65
|
+
// second
|
|
66
|
+
|
|
67
|
+
int sec = c1.get(Calendar.SECOND) - c2.get(Calendar.SECOND);
|
|
68
|
+
|
|
69
|
+
sec += (sec < 0) ? 60 : 0;
|
|
70
|
+
|
|
71
|
+
c1.add(Calendar.SECOND, -1 * sec);
|
|
72
|
+
|
|
73
|
+
|
|
74
|
+
|
|
75
|
+
// minute
|
|
76
|
+
|
|
77
|
+
int min = c1.get(Calendar.MINUTE) - c2.get(Calendar.MINUTE);
|
|
78
|
+
|
|
79
|
+
min += (min < 0) ? 60 : 0;
|
|
80
|
+
|
|
81
|
+
c1.add(Calendar.MINUTE, -1 * min);
|
|
82
|
+
|
|
83
|
+
|
|
84
|
+
|
|
85
|
+
// hour
|
|
86
|
+
|
|
87
|
+
int hour = c1.get(Calendar.HOUR) - c2.get(Calendar.HOUR);
|
|
88
|
+
|
|
89
|
+
hour += (hour < 0) ? 24 : 0;
|
|
90
|
+
|
|
91
|
+
c1.add(Calendar.HOUR, -1 * hour);
|
|
92
|
+
|
|
93
|
+
|
|
94
|
+
|
|
95
|
+
// day
|
|
96
|
+
|
|
97
|
+
long longtime1 = c1.getTimeInMillis();
|
|
98
|
+
|
|
99
|
+
c1.set(Calendar.DATE, 1);
|
|
100
|
+
|
|
101
|
+
c1.add(Calendar.DATE, -1);
|
|
102
|
+
|
|
103
|
+
int dayInLastMonth = c1.get(Calendar.DATE);
|
|
104
|
+
|
|
105
|
+
c1.setTimeInMillis(longtime1);
|
|
106
|
+
|
|
107
|
+
int day = c1.get(Calendar.DATE) - c2.get(Calendar.DATE);
|
|
108
|
+
|
|
109
|
+
day += (day < 0) ? dayInLastMonth : 0;
|
|
110
|
+
|
|
111
|
+
c1.add(Calendar.DATE, -1 * day);
|
|
112
|
+
|
|
113
|
+
|
|
114
|
+
|
|
115
|
+
// month
|
|
116
|
+
|
|
117
|
+
int month = c1.get(Calendar.MONTH) - c2.get(Calendar.MONTH);
|
|
118
|
+
|
|
119
|
+
month += (month < 0) ? 12 : 0;
|
|
120
|
+
|
|
121
|
+
c1.add(Calendar.MONTH, -1 * month);
|
|
122
|
+
|
|
123
|
+
|
|
124
|
+
|
|
125
|
+
// year
|
|
126
|
+
|
|
127
|
+
int year = c1.get(Calendar.YEAR) - c2.get(Calendar.YEAR);
|
|
128
|
+
|
|
129
|
+
```
|
|
130
|
+
|
|
131
|
+
|