輸入的日期跟當前日期比較大小
日期在python中 存在time,datetime,string三種形式轉化如下
#str轉time
time.strptime('2018-09-28',"%Y-%m-%d")
#str轉datetime
datetime.datetime.striptime('2018-09-28',"%Y-%m-%d")
#time 轉string
time.strftime("%y-%m-%d",time.localtime())
需求實現:
import datetime
import time
#將日期字符串轉爲時間再比較,time,datetime,str
def valid_date(timestr):
#獲取當前時間日期
nowTime_str = datetime.datetime.now().strftime('%Y-%m-%d')
print(nowTime_str)
#mktime參數爲struc_time,將日期轉化爲秒,
e_time = time.mktime(time.strptime(nowTime_str,"%Y-%m-%d"))
print(e_time)
try:
s_time = time.mktime(time.strptime(timestr, '%Y-%m-%d'))
print(s_time)
#日期轉化爲int比較
diff = int(s_time)-int(e_time)
print(diff)
if diff >= 0:
return 1
else:
print('所查日期不能小於當前時間!!!')
return 0
except Exception as e:
print(e)
return 0
if __name__=='__main__':
valid_date("2018-10-07")
執行結果: