本文实例讲述了Python实现计算两个时间之间相差天数的方法。分享给大家供大家参考，具体如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#-*- encoding:UTF-8 -*-from datetime import dateimport timenowtime = date.today()def convertstringtodate(stringtime): "把字符串类型转换为date类型" if stringtime[0:2] == "20": year=stringtime[0:4] month=stringtime[4:6] day=stringtime[6:8] begintime=date(int(year),int(month),int(day)) return begintime else : year="20"+stringtime[0:2] month=stringtime[2:4] day=stringtime[4:6] begintime=date(int(year),int(month),int(day)) return begintimedef comparetime(nowtime,stringtime): "比较两个时间,并返回两个日期之间相差的天数" if isinstance(nowtime,date): pass else: nowtime=convertstringtodate(nowtime) if isinstance(stringtime,date): pass else: stringtime=convertstringtodate(stringtime) result=nowtime-stringtime return result.days""" if stringtime[0:2] == "20": year=stringtime[0:4] month=stringtime[4:6] day=stringtime[6:8] begintime=date(int(year),int(month),int(day)) endtime=nowtime result=endtime-begintime return result.days else : year="20"+stringtime[0:2] month=stringtime[2:4] day=stringtime[4:6] begintime=date(int(year),int(month),int(day)) endtime=nowtime result=endtime-begintime return result.days"""print isinstance("20141012",date)print comparetime(nowtime,"140619") |
希望本文所述对大家Python程序设计有所帮助。
