How to create a new folder in python
Python对文件的操作还算是方便的,只需要包含os模块进来,使用相关函数即可实现目录的创建。
主要涉及到三个函数
1、os.path.exists(path) 判断一个目录是否存在
2、os.makedirs(path) 多层创建目录
3、os.mkdir(path) 创建目录
直接上代码
def mkdir(path): # 引入模块 import os # 去除首位空格 path=path.strip() # 去除尾部 \ 符号 path=path.rstrip("\\") # 判断路径是否存在 # 存在 True # 不存在 False isExists=os.path.exists(path) # 判断结果 if not isExists: # 如果不存在则创建目录 # 创建目录操作函数 os.makedirs(path) print path+' 创建成功' return True else: # 如果目录存在则不创建,并提示目录已存在 print path+' 目录已存在' return False # 定义要创建的目录 mkpath="d:\\qttc\\web\\" # 调用函数 mkdir(mkpath)
以上是我写好的一个函数,只需要传入你要创建目录的全路径即可。
说明
在以上的函数里,我并没有使用os.mkdir(path)函数,而是使用了多层创建目录函数os.makedirs(path)。这两个函数之间最大的区别是当父目录不存在的时候os.mkdir(path)不会创建,os.makedirs(path)则会创建父目录。
比如:例子中我要创建的目录web位于D盘的qttc目录下,然而我D盘下没有qttc父目录,如果使用os.mkdir(path)函数就会提示我目标路径不存在,但使用os.makedirs(path)会自动帮我创建父目录qttc,请在qttc目录下创建子目录web。
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