[Python]代码    

#-*- coding:cp936 -*-  import os, re   """  查看文件夹下的所有文件及文件夹  join为拼接函数  """  def Look_File(path):   for root , dirs, files in os.walk(path, True):    print root          #主目录    for item in files:  #主目录下的文件夹     print os.path.join(root, item)      """  计算文件夹 大小  """     def FileSize(path):   size = 0L   for root , dirs, files in os.walk(path, True):    size += sum([os.path.getsize(os.path.join(root, name)) for name in files])   #目录下文件大小累加    return size         if __name__ == '__main__':   Look_File("f:\\a")   print FileSize("f:\\a")