def time_last_day_of_month(self):
"""
获取当前月的最后一天
:return:
"""
year = datetime.datetime.now().year
month = datetime.datetime.now().month
day = calendar.monthrange(year, month)[1]
if len(str(month)) == 1:
month = '0' + str(month)
return str(year) + "-" + str(month) + '-' + str(day)