import
datetime
print
((datetime.datetime.now()
-
datetime.timedelta(days
=
1
)).strftime(
"%Y-%m-%d %H:%M"
))
print
((datetime.datetime.now()
-
datetime.timedelta(minutes
=
1
)).strftime(
"%Y-%m-%d %H:%M"
))
print
((datetime.datetime.now()
-
datetime.timedelta(seconds
=
1
)).strftime(
"%Y-%m-%d %H:%M"
))
|
输出结果
以下是随机获取15天前的日期和时间实例：
|
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25
26
27
|
import
datetime
import
random
d
=
random.randint(
0
,
15
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(days
=
d)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
day
=
date[
0
:
11
]
# print "day:", day
h
=
random.randint(
0
,
24
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(hours
=
h)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
hour
=
date[
11
:
13
]
# print "hour: ",hour
m
=
random.randint(
0
,
15
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(minutes
=
m)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
minue
=
date[
14
:
16
]
# print "minue: ", minue
s
=
random.randint(
0
,
24
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(seconds
=
s)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
second
=
date[
17
:
19
]
# print "second: ", second
new_time
=
hour
+
":"
+
minue
+
":"
+
second
print
day,new_time
|
输出结果：
实例：
|
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35
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40
41
|
#coding:UTF-8
import
time
import
datetime
import
random
def
get_time():
d
=
random.randint(
0
,
15
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(days
=
d)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
day
=
date[
0
:
11
]
# print "day:", day
h
=
random.randint(
0
,
24
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(hours
=
h)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
hour
=
date[
11
:
13
]
# print "hour: ",hour
m
=
random.randint(
0
,
15
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(minutes
=
m)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
minue
=
date[
14
:
16
]
# print "minue: ", minue
s
=
random.randint(
0
,
24
)
date
=
((datetime.datetime.now()
-
datetime.timedelta(seconds
=
s)).strftime(
"%Y-%m-%d %H:%M:%S"
))
# print date
second
=
date[
17
:
19
]
# print "second: ", second
new_time
=
hour
+
":"
+
minue
+
":"
+
second
return
day.strip(),new_time.strip()
day,times
=
get_time()
print
day
print
times
str_1
=
'{"PN":"34VT123","DUID":"XXXX","location":{"coordinates":[-100.35256443,33.4586858]},"SPD":125,"DT":"'
str_2
=
'Z","driverID":"XXXXX","cate":"event","subCate":"OBDII","eventOBDII":{"what":"emergencyBrake","param":2,"GID":123456479}}'
des_str
=
'2017-06-02T13:15:20'
str_des
=
str_1
+
day
+
'T'
+
times
+
str_2
print
str_des
|
输出
|
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2
3
4
|
>
"D:\Python27\python.exe"
"F:\MQTT_testing\data.py"
2017
-
05
-
26
02
:
21
:
19
{
"PN"
:
"34VT123"
,
"DUID"
:
"XXXX"
,
"location"
:{
"coordinates"
:[
-
100.35256443
,
33.4586858
]},
"SPD"
:
125
,
"DT"
:
"2017-05-26T02:21:19Z"
,
"driverID"
:
"XXXXX"
,
"cate"
:
"event"
,
"subCate"
:
"OBDII"
,
"eventOBDII"
:{
"what"
:
"emergencyBrake"
,
"param"
:
2
,
"GID"
:
123456479
}}
|