# -*- coding: utf-8 -*-
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from datetime import datetime, timedelta
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class DateUtils:
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formatter = '%Y-%m-%d %H:%M:%S'
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@staticmethod
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def time_to_str(time: datetime) -> str:
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"""格式化为字符串"""
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return time.strftime(DateUtils.formatter)
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@staticmethod
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def str_to_time(time_str: str) -> str:
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"""字符串转时间格式"""
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if isinstance(time_str, str):
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return datetime.strptime(time_str, DateUtils.formatter)
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@staticmethod
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def time_check(time):
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"""时间格式检查, 允许接收字符串和datetime两种格式"""
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if isinstance(time, str):
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return DateUtils.str_to_time(time)
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elif not isinstance(time, datetime):
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return False
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else:
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return time
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@staticmethod
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def now() -> str:
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"""返回当前日期时间"""
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return datetime.now()
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@staticmethod
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def now_time() -> str:
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"""返回当前日期时间
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Returns:
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str: 当前日期时间
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"""
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return DateUtils.time_to_str(datetime.now())
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@staticmethod
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def time_slice(start_time, end_time, hour: int) -> list:
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"""时间分割，根据给定的时间段和每段时长，将总时段分割为多端时间段"""
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st = DateUtils.time_check(start_time)
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et = DateUtils.time_check(end_time)
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if (st == False) or (et == False):
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return []
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result = []
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current_time = st
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while current_time < et:
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next_time = current_time + timedelta(hours=hour)
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# 当加了8小时的时间仍然小于结束时间，将此段时间加入结果
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if next_time < et:
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s = current_time
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e = next_time - timedelta(seconds=1)
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result.append((s, e))
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current_time = next_time
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# 否则把current_time和end_time作为最后一组时段加入结果并退出循环
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else:
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s = current_time
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e = et
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result.append((s, e))
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break
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return result
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@staticmethod
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def time_distance(time1, time2=datetime.now(), type: str = "day") -> int:
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"""时间相差几天
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Args:
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time1 (str): 时间1
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time2 (str): 时间2
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Returns:
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int: 相差的天数
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"""
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date1 = DateUtils.time_check(time1)
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date2 = DateUtils.time_check(time2)
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if date1 == False or date2 == False:
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return -1
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time_diff = abs(date2 - date1)
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if type == "day":
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return time_diff.days
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elif type == "hour":
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return time_diff.days*24 + time_diff.seconds / 3600
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@staticmethod
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def today_0am() -> datetime:
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"""获取今日0点"""
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return datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
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@staticmethod
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def today_0am() -> datetime:
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"""获取今日0点"""
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return datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
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