python中os.path.join的用法

os.path.join()函数:连接两个或更多的路径名组件

1.如果各组件名首字母不包含’/’,则函数会自动加上
2.如果有一个组件是一个绝对路径,则在它之前的所有组件均会被舍弃
3.如果最后一个组件为空,则生成的路径以一个’/’分隔符结尾

例1:

import os

Path1 = 'home'
Path2 = 'develop'
Path3 = 'code'

Path10 = Path1 + Path2 + Path3
Path20 = os.path.join(Path1,Path2,Path3)
print ('Path10 = ',Path10)
print ('Path20 = ',Path20)

输出:

Path10 = homedevelopcode
Path20 = home\develop\code

例2:

import os

Path1 = 'home'
Path2 = 'develop'
Path3 = '/code'

Path10 = Path1 + Path2 + Path3
Path20 = os.path.join(Path1,Path2,Path3)
print ('Path10 = ',Path10)
print ('Path20 = ',Path20 )

输出

Path10 = homedevelop/code
Path20 = /code

转载:https://www.cnblogs.com/an-ning0920/p/10037790.html

你可能感兴趣的:(code问题记录)