详解使用Python处理文件目录的相关方法
所有文件都包含在各个不同的目录下，不过Python也能轻松处理。os模块有许多方法能帮你创建，删除和更改目录。
mkdir()方法
可以使用os模块的mkdir()方法在当前目录下创建新的目录们。你需要提供一个包含了要创建的目录名称的参数。
语法：
os.mkdir("newdir")
例子：
下例将在当前目录下创建一个新目录test。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import os
# 创建目录test
os.mkdir("test")
chdir()方法
可以用chdir()方法来改变当前的目录。chdir()方法需要的一个参数是你想设成当前目录的目录名称。
语法：
os.chdir("newdir")
例子：
下例将进入"/home/newdir"目录。
#!/usr/bin/python
# -*- coding: UTF-8 -*-
import os
# 将当前目录改为"/home/newdir"
os.chdir("/home/newdir")
getcwd()方法：
getcwd()方法显示当前的工作目录。
语法：
os.getcwd()
例子：
下例给出当前目录：
#!/usr/bin/python # -*- coding: UTF-8 -*- import os # 给出当前的目录 os.getcwd()
rmdir()方法
rmdir()方法删除目录，目录名称以参数传递。
在删除这个目录之前，它的所有内容应该先被清除。
语法：
os.rmdir('dirname')
例子：
以下是删除" /tmp/test"目录的例子。目录的完全合规的名称必须被给出，否则会在当前目录下搜索该目录。
#!/usr/bin/python # -*- coding: UTF-8 -*- import os # 删除”/tmp/test”目录 os.rmdir( "/tmp/test" )
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