如何将一个文件夹中的多个文件编码为64位。目前我的代码可以编码一个文件

import os
import base64

def encode_files_in_folder(folder_path):
    for filename in os.listdir(folder_path):
        file_path = os.path.join(folder_path, filename)
        if os.path.isfile(file_path):
            with open(file_path, 'rb') as file:
                encoded_data = base64.b64encode(file.read())
                print(f"Encoded content of {filename}:")
                print(encoded_data.decode())

# 调用示例
folder_path = '/path/to/folder'
encode_files_in_folder(folder_path)