python3 遍历文件夹目录所有文件

dic = {
    ‘sum_size‘:0,
    ‘file_num‘:0,
    ‘directory_num‘:0
}

def get_size(path,txt):
    items =os.listdir(path)
    files = []
    dirs = []
    sum_size = 0
    for item in items:
        item = os.path.join(path,item)
        if os.path.isdir(item):
            dirs.append(item)
        elif os.path.isfile(item):
            files.append(item)
    for file in files:
        size = os.path.getsize(file)
        sum_size += size
        print(file,size)
        dic[‘file_num‘] += 1
        dic[‘sum_size‘] += size
        with open(txt,mode="a+",encoding=‘utf-8‘) as f:
            data = ‘{} {}\n‘.format(file,size)
            f.write(data)

    for directory in dirs:
        dic[‘directory_num‘] += 1
        # sum_size += get_size(directory,txt)
        get_size(directory, txt)

    return dic[‘sum_size‘]


if __name__ == ‘__main__‘:
    path = ‘E:\IDMD‘
    txt = ‘data.txt‘
    # result = get_size(path,txt)
    # print(result)
    get_size(path, txt)
    data = ‘{}:{}:{}\n‘.format(dic[‘directory_num‘], dic[‘file_num‘], dic[‘sum_size‘])
    print(data)
    with open(txt, mode="a+",encoding=‘utf-8‘) as f:
       f.write(data)