1 # -*- encoding: utf-8  -*_
 2 import os
 3
 4 path = os.getcwd() # 获取当前路径
 5 for dirs in os.listdir(path):
 6     print dirs
 7
 8 file_name = "路径补齐.txt"
 9 path = os.path.join(path,file_name)
10 print path
11 size = os.path.getsize("E:\PythonEclipse\PythonStudy\os.listdir\listdirs.py")
12 print size

1 A
2 B
3 C
4 file.txt
5 listdirs.py
6 E:\PythonEclipse\PythonStudy\os.listdir\路径补齐.txtA7 303

1 # -*- encoding: utf-8  -*_
2 import os
3
4 for root, dirs, filename in os.walk(os.getcwd()):
5     print root
6     print dirs
7     print filename

 1 E:\PythonEclipse\PythonStudy\os.listdir
 2 ['A', 'B', 'C']
 3 ['file.txt', 'listdirs.py']
 4 E:\PythonEclipse\PythonStudy\os.listdir\A
 5 []
 6 []
 7 E:\PythonEclipse\PythonStudy\os.listdir\B
 8 []
 9 ['file.txt']
10 E:\PythonEclipse\PythonStudy\os.listdir\C
11 []
12 []

 1 # -*- encoding: utf-8 -*-
 2 import os
 3 rootdir = os.getcwd()               #获取当前路径
 4
 5 rootdir = rootdir.decode('gbk')
 6 x  = u'统计文件大小.csv'
 7 f = open(os.path.join(rootdir,x), "w+")
 8 for dirname in  os.listdir(rootdir):  #获取二级目录所有文件夹与文件
 9     Dir = os.path.join(rootdir, dirname)    #路径补齐
10     count = 0
11     if (os.path.isdir(Dir)):           #判断是否为目录
12         for r, ds, files in os.walk(Dir): #遍历目录下所有文件根，目录下的每一个文件夹(包含它自己), 产生3-元组 (dirpath, dirnames, filenames)【文件夹路径, 文件夹名字, 文件名称】
13             for file in files:      #遍历所有文件
14                 size = os.path.getsize(os.path.join(r, file)) #获取文件大小
15                 count += size
16         if ((count/1024.0/1024.0) < 1024):
17             print  Dir +'\t' + '%.2f'% (count/1024.0/1024.0)+'MB'
18             f.write(Dir.encode("gbk") +','+  '%.2f'% (count/1024.0/1024.0)+'MB' + '\n')
19         else:
20             print  Dir + '\t' + '%.2f' % (count / 1024.0 / 1024.0/1024.0) + 'GB'
21             f.write(Dir.encode("gbk") + ',' + '%.2f' % (count / 1024.0 / 1024.0/1024.0) + 'GB' + '\n')
22     else:
23         continue
24 f.close()