python如何修改文件时间属性

# -*- encoding=utf-8 -*-
import os
import time


def get_file_time(filename):
  filename = os.path.abspath(filename)
  create_time = os.path.getctime(filename) # 创建时间
  print(\'old create time:{}\'.format(time.strftime(\"%Y-%m-%d %H:%M:%S\", time.localtime(create_time))))
  update_time = os.path.getmtime(filename) # 修改时间
  print(\'old update time:{}\'.format(time.strftime(\"%Y-%m-%d %H:%M:%S\", time.localtime(update_time))))
  access_time = os.path.getatime(filename) # 访问时间
  print(\'old access time:{}\'.format(time.strftime(\"%Y-%m-%d %H:%M:%S\", time.localtime(access_time))))
  return create_time, update_time, access_time


if __name__ == \'__main__\':
  get_file_time(\'E:/a.txt\')

# -*- encoding=utf-8 -*-
import os
import time

def set_file_time(filename, updatetime, access_time):
  # 先传修改时间，再传访问时间
  filename = os.path.abspath(filename)
  new_updatetime = time.mktime(time.strptime(updatetime, \'%Y-%m-%d %H:%M:%S\'))
  new_access_time = time.mktime(time.strptime(access_time, \'%Y-%m-%d %H:%M:%S\'))
  os.utime(filename, (new_access_time, new_updatetime))


if __name__ == \'__main__\':
  set_file_time(\'E:/a.txt\', \'2018-01-08 10:50:20\', \'2019-07-15 04:03:01\')

# -*- encoding=utf-8 -*-
import os
import time


def get_file_time(filename):
  filename = os.path.abspath(filename)
  # 创建时间
  create_time = time.strftime(\"%Y-%m-%d %H:%M:%S\", time.localtime(os.path.getctime(filename)))
  # 修改时间
  update_time = time.strftime(\"%Y-%m-%d %H:%M:%S\", time.localtime(os.path.getmtime(filename)))
  # 访问时间
  access_time = time.strftime(\"%Y-%m-%d %H:%M:%S\", time.localtime(os.path.getatime(filename)))
  return create_time, update_time, access_time


def set_file_time(filename, updatetime, access_time):
  # 先传修改时间，再传访问时间
  filename = os.path.abspath(filename)
  new_update_time = time.mktime(time.strptime(updatetime, \'%Y-%m-%d %H:%M:%S\'))
  new_access_time = time.mktime(time.strptime(access_time, \'%Y-%m-%d %H:%M:%S\'))
  os.utime(filename, (new_access_time, new_update_time))


def debug():
  create_time, update_time, access_time = get_file_time(\'E:/a.txt\')
  set_file_time(\'E:/a.txt\', update_time, access_time)
  get_file_time(\'E:/a.txt\')


if __name__ == \'__main__\':

  debug()

import os
import time

from pywintypes import Time # 可以忽视这个 Time 报错（运行程序还是没问题的）
from win32con import FILE_FLAG_BACKUP_SEMANTICS
from win32con import FILE_SHARE_WRITE
from win32file import CloseHandle
from win32file import CreateFile
from win32file import GENERIC_WRITE
from win32file import OPEN_EXISTING
from win32file import SetFileTime


def modify_file_create_time(filename, create_time_str, update_time_str, access_time_str):
  try:
    format_str = \"%Y-%m-%d %H:%M:%S\" # 时间格式
    # f = CreateFile(filename, GENERIC_READ | GENERIC_WRITE, 0, None, OPEN_EXISTING, 0, 0)
    f = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_WRITE, None, OPEN_EXISTING,
            FILE_FLAG_BACKUP_SEMANTICS, 0)
    create_time = Time(time.mktime(time.strptime(create_time_str, format_str)))
    update_time = Time(time.mktime(time.strptime(update_time_str, format_str)))
    access_time = Time(time.mktime(time.strptime(access_time_str, format_str)))
    SetFileTime(f, create_time, update_time, access_time)
    CloseHandle(f)
    print(\'update file time success:{}/{}/{}\'.format(create_time_str, update_time_str,
                             access_time_str))
  except Exception as e:
    print(\'update file time fail:{}\'.format(e))


if __name__ == \'__main__\':
  cTime = \"2019-12-13 21:51:02\" # 创建时间
  mTime = \"2019-02-02 00:01:03\" # 修改时间
  aTime = \"2019-02-02 00:01:04\" # 访问时间
  fName = r\"a.txt\" # 可以是文件也可以是文件夹
  print(os.path.isdir(fName))
  modify_file_create_time(fName, cTime, mTime, aTime)