基本概念

os.path.split()通過一對鏈表的頭和尾來劃分路徑名。鏈表的tail是是最后的路徑名元素。head則是它前面的元素。

舉個例子：

path name = '/home/User/Desktop/file.txt'

在上面的這個例子中，路徑名字file.txt稱之為tail 路徑‘/home/User/Desktop/’ 稱之為head。tail部分永遠不會包含斜杠符號。如果這個路徑名字以斜杠結(jié)束，那么tail就是為空。
如果沒有斜杠在路徑中，那么head是為空的。下面是詳細的參數(shù)：

pathheadtail

‘/home/user/Desktop/file.txt’	‘/home/user/Desktop/’	‘file.txt’
‘/home/user/Desktop/’	‘/home/user/Desktop/’	{empty}
‘file.txt’	{empty}	‘file.txt’

實例分析

1 實例一：

# Python program to explain os.path.split() method # importing os module import os # path path = '/home/User/Desktop/file.txt'# Split the path in # head and tail pair head_tail = os.path.split(path) # print head and tail # of the specified path print("Head of '% s:'" % path, head_tail[0]) print("Tail of '% s:'" % path, head_tail[1], "\n") # path path = '/home/User/Desktop/'# Split the path in # head and tail pair head_tail = os.path.split(path) # print head and tail # of the specified path print("Head of '% s:'" % path, head_tail[0]) print("Tail of '% s:'" % path, head_tail[1], "\n") # path path = 'file.txt'# Split the path in # head and tail pair head_tail = os.path.split(path) # print head and tail # of the specified path print("Head of '% s:'" % path, head_tail[0]) print("Tail of '% s:'" % path, head_tail[1])

2 結(jié)果：

''' 學(xué)習(xí)中遇到問題沒人解答？小編創(chuàng)建了一個Python學(xué)習(xí)交流QQ群：531509025 尋找有志同道合的小伙伴，互幫互助,群里還有不錯的視頻學(xué)習(xí)教程和PDF電子書！ ''' Head of '/home/User/Desktop/file.txt': /home/User/Desktop Tail of '/home/User/Desktop/file.txt': file.txt Head of '/home/User/Desktop/': /home/User/Desktop Tail of '/home/User/Desktop/': Head of 'file.txt': Tail of 'file.txt': file.txt

3 實例二

# Python program to explain os.path.split() method # importing os module import os # path path = '' # Split the path in # head and tail pair head_tail = os.path.split(path) # print head and tail # of the specified path print("Head of '% s':" % path, head_tail[0]) print("Tail of '% s':" % path, head_tail[1]) # os.path.split() function # will return empty # head and tail if # specified path is empty

4 測試結(jié)果：

Head of '': Tail of '':

總結(jié)

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