按要求将CAAU7083393 TE-WB1215 1-10843 0T 19.02.2025.pdf这类文件名批量替换为TE-WB1215 CAAU7083393 1-10843 0T 19.02.2025.pdf

python
import os
import re
from datetime import datetime

def validate_container_number(container):
    
    return re.match(r'^[A-Za-z]{4}\d{7}$', container) is not None

def validate_tewb_code(tewb):
    
    return re.match(r'^\w{1,}-WB\d{4}$', tewb, re.IGNORECASE) is not None

def validate_date(date_str):
    
    try:
        datetime.strptime(date_str, "%d.%m.%Y")
        return True
    except ValueError:
        return False

def rename_pdf_files(directory, dry_run=True):
    """
    批量重命名PDF文件
    :param directory: 目标目录路径
    :param dry_run: 模拟运行模式（True只显示预览，False实际执行）
    """
    
    pattern = re.compile(
        r'^'
        r'(?P<container>[A-Za-z]{4}\d{7}) '      
        r'(?P<tewb>\w{1,}-WB\d{4}) '                 
        r'(?P<content>.+?) '                     
        r'(?P<date>\d{2}\.\d{2}\.\d{4})'        
        r'\.pdf$',
        re.IGNORECASE
    )

    for filename in sorted(os.listdir(directory)):
        if not filename.lower().endswith('.pdf'):
            continue

        match = pattern.match(filename)
        if not match:
            print(f"格式不匹配，跳过文件: {filename}")
            continue

        groups = match.groupdict()
        
        
        validation = (
            (validate_container_number(groups['container']), "集装箱号格式错误"),
            (validate_tewb_code(groups['tewb']), "WB代码格式错误"),
            (validate_date(groups['date']), "日期格式错误")
        )

        if not all(v[0] for v in validation):
            errors = ", ".join([v[1] for v in validation if not v[0]])
            print(f"验证失败：{filename} -> {errors}")
            continue

        
        new_name = f"{groups['tewb']} {groups['container']} {groups['content']} {groups['date']}.pdf"
        
        old_path = os.path.join(directory, filename)
        new_path = os.path.join(directory, new_name)

        
        if dry_run:
            print(f"[模拟模式] 将重命名: {filename} -> {new_name}")
        else:
            try:
                os.rename(old_path, new_path)
                print(f"成功重命名: {filename} -> {new_name}")
            except Exception as e:
                print(f"重命名失败: {filename} | 错误: {str(e)}")

if __name__ == "__main__":
    target_dir = os.getcwd()  
    # 第一次先运行模拟模式（不实际修改文件）
    print("=== 模拟运行 ===")
    rename_pdf_files(target_dir, dry_run=True)
    
    # 确认无误后，注释下面两行并取消注释最后一行
    # confirm = input("\n确认要执行重命名吗？(y/n): ")
    # if confirm.lower() == 'y':
    #    rename_pdf_files(target_dir, dry_run=False)