85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
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import os
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import re
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def extract_chapter_number(filename):
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"""
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从文件名中提取章节号（支持"第15.5章"、"第16章"等格式）
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返回：提取到的章节号字符串（如"15.5"、"16"），若未提取到返回None
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"""
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# 正则匹配"第X章"，X可以是整数或小数（如15.5）
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pattern = r"第(\d+(\.\d+)?)章"
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match = re.search(pattern, filename)
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if match:
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return match.group(1)
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return None
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def rename_chapter_files():
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"""主函数：遍历当前目录文件并按规则重命名"""
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# 获取当前脚本所在目录（也可手动指定路径，如 target_dir = r"D:\章节文件"）
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target_dir = os.getcwd()
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# 遍历目录下所有文件（排除文件夹）
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for filename in os.listdir(target_dir):
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file_path = os.path.join(target_dir, filename)
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if os.path.isdir(file_path): # 跳过文件夹
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continue
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# 提取章节号
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chapter_num = extract_chapter_number(filename)
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if not chapter_num:
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print(f"跳过：{filename} - 未识别到有效章节号（格式需包含'第X章'）")
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continue
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# 计算新章节号
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try:
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new_chapter_num = None
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if chapter_num == "15.5":
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new_chapter_num = 16
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else:
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# 转为数字判断
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num = float(chapter_num)
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if num.is_integer(): # 确保是整数（如16→16，而非16.0）
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num = int(num)
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if num <= 15:
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new_chapter_num = num
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else:
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new_chapter_num = num + 1
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else:
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print(f"跳过：{filename} - 章节号{chapter_num}不是整数/15.5（仅支持这两类）")
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continue
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except ValueError:
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print(f"跳过：{filename} - 章节号{chapter_num}不是有效数字")
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continue
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# 构造新文件名（替换原章节号）
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old_pattern = f"第{chapter_num}章"
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new_pattern = f"第{new_chapter_num}章"
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new_filename = filename.replace(old_pattern, new_pattern)
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# 执行重命名（避免重名/文件相同的情况）
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if new_filename == filename:
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print(f"跳过：{filename} - 无需修改（章节号未变化）")
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continue
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old_path = os.path.join(target_dir, filename)
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new_path = os.path.join(target_dir, new_filename)
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# 检查新文件名是否已存在
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if os.path.exists(new_path):
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print(f"失败：{filename} - 新文件名{new_filename}已存在，无法重命名")
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continue
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# 执行重命名
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try:
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os.rename(old_path, new_path)
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print(f"成功：{filename} → {new_filename}")
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except Exception as e:
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print(f"失败：{filename} - 重命名出错：{str(e)}")
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if __name__ == "__main__":
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print("===== 章节文件重命名工具 =====")
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print("规则：15.5章→16章，16章及以后+1，1-15章不变")
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print("-" * 30)
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rename_chapter_files()
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print("-" * 30)
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print("重命名操作完成！按任意键退出...")
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input() # 暂停窗口，方便查看结果
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