搜索子文件夹中请求的文件并复制到目标位置

import os
import shutil

def search_and_copy_files(source_dir, target_dir, file_pattern):
    """
    搜索子文件夹中的特定文件并将其复制到目标位置

    :param source_dir: 源目录
    :param target_dir: 目标目录
    :param file_pattern: 文件名模式（如 "*.txt"）
    """
    if not os.path.exists(target_dir):
        os.makedirs(target_dir)

    for root, dirs, files in os.walk(source_dir):
        for file in files:
            if file.endswith(file_pattern):
                source_file_path = os.path.join(root, file)
                target_file_path = os.path.join(target_dir, file)
                shutil.copy2(source_file_path, target_file_path)
                print(f"Copied {source_file_path} to {target_file_path}")

# 示例用法
source_directory = "/path/to/source/directory"
target_directory = "/path/to/target/directory"
file_pattern = ".txt"

search_and_copy_files(source_directory, target_directory, file_pattern)