# -*- coding:utf-8 -*
import os
Path1 = 'Python'
Path2 = 'Java'
Path3 = 'C++'
Path10 = Path1 + Path2 + Path3
Path20 = os.path.join(Path1, Path2, Path3)
print('Path1 = ', Path10)
print('Path1 = ', Path20)
Path1 = '/Python'
Path2 = 'Java'
Path3 = 'C++'
Path10 = Path1 + Path2 + Path3
Path20 = os.path.join(Path1, Path2, Path3)
print('Path2 = ', Path10)
print('Path2 = ', Path20)
Path1 = 'Python'
Path2 = '/Java'
Path3 = 'C++'
Path10 = Path1 + Path2 + Path3
Path20 = os.path.join(Path1, Path2, Path3)
print('Path3 = ', Path10)
print('Path3 = ', Path20)
Path1 = 'Python'
Path2 = 'Java'
Path3 = './C++'
Path10 = Path1 + Path2 + Path3
Path20 = os.path.join(Path1, Path2, Path3)
print('Path4 = ', Path10)
print('Path4 = ', Path20)
Path1 = 'Python'
Path2 = ' /Java'
Path3 = 'C++'
Path10 = Path1 + Path2 + Path3
Path20 = os.path.join(Path1, Path2, Path3)
print('Path5 = ', Path10)
print('Path5 = ', Path20)
Path1 = 'Python'
Path2 = 'Java'
Path3 = 'C++'
Path4 = '/runoob.txt'
Path10 = os.path.basename(Path1 + Path2 + Path3 + Path4) # 返回文件名
Path20 = os.path.dirname(Path1 + Path2 + Path3 + Path4) # 返回目录路径
Path30 = os.path.split(Path1 + Path2 + Path3 + Path4) # 分割文件名与路径
print('Path6 = ', Path10)
print('Path6 = ', Path20)
print('Path6 = ', Path30)
Run results, windows and linux results will be a bit different
| method |
Description |
| os.path.abspath(path) |
Return absolute path |
| os.path.basename(path) |
Return file name |
| os.path.commonprefix(list) |
Returns the longest path shared by all paths in the list (multiple paths) |
| os.path.dirname(path) |
Return file path |
| os.path.exists(path) |
If path exists, return True; if path does not exist, return False. |
| os.path.lexists |
Return True if the path exists, and True if the path is damaged |
| os.path.expanduser(path) |
Convert the "~" and "~user" contained in the path into user directories |
| os.path.expandvars(path) |
Replace "$name" and "${name}" contained in path according to the value of environment variable |
| os.path.getatime (path) |
Returns the most recent access time (floating point number of seconds) |
| os.path.getmtime(path) |
Return the last file modification time |
| os.path.getctime(path) |
Return file path creation time |
| os.path.getsize(path) |
Returns the file size, if the file does not exist, returns an error |
| os.path.isabs(path) |
Determine whether it is an absolute path |
| os.path.isfile(path) |
Determine whether the path is a file |
| os.path.isdir(path) |
Determine whether the path is a directory |
| os.path.islink(path) |
Determine whether the path is a link |
| os.path.ismount(path) |
Determine whether the path is a mount point |
| os.path.join(path1[, path2[, ...]]) |
Combine directory and file name into a path |
| os.path.normcase(path) |
Convert case and slash of path |
| os.path.normpath(path) |
Canonical path string form |
| os.path.realpath(path) |
Return the real path of path |
| os.path.relpath(path[, start]) |
Calculate the relative path from start |
| os.path.samefile(path1, path2) |
Determine whether the directories or files are the same |
| os.path.sameopenfile(fp1, fp2) |
Determine whether fp1 and fp2 point to the same file |
| os.path.samestat (stat1, stat2) |
Determine whether stat tuple stat1 and stat2 point to the same file |
| os.path.split(path) |
Split the path into dirname and basename and return a tuple |
| os.path.splitdrive(path) |
Generally used under windows, it returns a tuple of drive name and path |
| os.path.splitext(path) |
Split the path and return a tuple of pathname and file extension |
| os.path.splitunc(path) |
Split the path into load points and files |
| os.path.walk(path, visit, arg) |
Traverse the path and call the visit function when entering each directory. The visit function must have 3 parameters (arg, dirname, names). dirname represents the directory name of the current directory, names represents all the file names in the current directory, and args is walk The third parameter |
| os.path.supports_unicode_filenames |
Set whether to support unicode path names |