计算文件大小，,#-*- coding:

计算文件大小，,#-*- coding:

#-*- 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 sizeif __name__ == '__main__':    Look_File("f:\\a")    print FileSize("f:\\a")