时间：2021-06-01 08:52:50 | 栏目：Python代码 | 点击：次
如下所示：
import dateutil def before_month_lastday(ti): today=dateutil.parser.parse(str(ti)) first = datetime.date(day=1, month=today.month, year=today.year) lastMonth = first - datetime.timedelta(days=1) cc=str(lastMonth.year)+str(lastMonth.month)+str(lastMonth.day) return int(cc) print(before_month_lastday(20171011))
2017930