python 日期时间学习

import datetime
import time

from datetime import timedelta


class TimeUtil:
    """
    staticmethod:静态方法,参数没有要求,和类没有绑定关系,跟全局变量差不多
    classmethod:类方法,是一个函数修饰符,第一个参数是cls
    """

    @staticmethod
    def get_current_year() -> int:
        """
        :return: 返回当前年份
        """
        return datetime.datetime.now().year

    @staticmethod
    def get_current_month() -> int:
        """
        :return: 返回当年月份
        """
        return datetime.datetime.now().month

    @staticmethod
    def get_current_day() -> int:
        """
        :return: 返回当年日期
        """
        return datetime.datetime.now().day

    @staticmethod
    def get_current_hour() -> int:
        """
        :return: 返回当前的小时数
        """
        return datetime.datetime.now().hour

    @staticmethod
    def get_current_date():
        """
        :return: 获取当前的的年月日
        """
        return time.strftime('%Y%m%d', time.localtime(time.time()))

    @staticmethod
    def get_timestamp():
        """
        :return: 获取当前时间戳
        """
        return time.time()

    @staticmethod
    def get_current_time():
        """
        :return: 当前日期时间
        """
        now = time.strftime('%Y-%m-%d %H:%M', time.localtime(time.time()))
        return now

    @staticmethod
    def time_cal(mode, num, time_delta=None):
        """
        :mode: 返回参数的格式,如 "%Y-%m-%d %H:%M"
        :time_delta: None(天) hour(小时) min(分钟)
        :return: 返回当前时间 + n天/小时/分钟
        """
        if time_delta is None:
            res = datetime.datetime.now() + timedelta(days=num)
            return res.strftime(mode)
        elif time_delta == 'hour':
            res = datetime.datetime.now() + timedelta(hours=num)
            return res.strftime(mode)
        elif time_delta == 'min':
            res = datetime.datetime.now() + timedelta(minutes=num)
            return res.strftime(mode)
        else:
            raise "time_delta参数异常!"


if __name__ == '__main__':
    print(TimeUtil.time_cal(mode="%Y-%m-%d %H:%M", num=1, time_delta='min'))

  

posted @ 2024-02-18 16:20  BelleLs  阅读(4)  评论(0编辑  收藏  举报