（打标签）增删文件前后缀，并修改文件名为图片格式-526互联

import os
from PIL import Image


def process_images(root_dir, prefix_action, prefix, suffix_action, suffix):
    for foldername, subfolders, filenames in os.walk(root_dir):
        for filename in filenames:
            file_path = os.path.join(foldername, filename)
            if filename.lower().endswith(('.png', '.jpg', '.jpeg', '.bmp', '.gif')):
                img = Image.open(file_path)

                if img.mode == "RGBA":
                    img = img.convert("RGB")

                folder_path, old_name = os.path.split(file_path)
                name_without_extension = os.path.splitext(old_name)[0]

                # 处理前缀
                if prefix_action == "+":
                    name_without_extension = prefix + name_without_extension
                elif prefix_action == "-":
                    name_without_extension = name_without_extension.replace(prefix, "")

                # 处理后缀
                if suffix_action == "+":
                    name_without_extension += suffix
                elif suffix_action == "-":
                    name_without_extension = name_without_extension.replace(suffix, "")

                new_name = name_without_extension + ".jpg"
                new_file_path = os.path.join(folder_path, new_name)
                counter = 1

                while os.path.exists(new_file_path):
                    new_name = name_without_extension + "_" + str(counter) + ".jpg"
                    new_file_path = os.path.join(folder_path, new_name)
                    counter += 1

                img.save(new_file_path, "JPEG")
                os.remove(file_path)


if __name__ == "__main__":
    address = input("请输入地址：")

    prefix_action = input("请选择增加前缀(+), 还是删除前缀(-) 或 不做操作(直接按Enter)：").strip() or None
    prefix = input("请输入前缀：") if prefix_action else ""

    suffix_action = input("请选择增加后缀(+), 还是删除后缀(-) 或 不做操作(直接按Enter)：").strip() or None
    suffix = input("请输入后缀：") if suffix_action else ""

    process_images(address, prefix_action, prefix, suffix_action, suffix)
    print("处理完成！")