import os import pdfplumber import pandas as pd from multiprocessing import Pool # 设置全局参数 PDF_FOLDER = 'your_folder_path' # 替换为实际文件夹路径 tb_header = pd.read_excel("护理表表头.xlsx", header=0) tb_df = tb_header.copy() def process_single_pdf(pdf_path): """处理单个PDF文件（供多进程调用）""" file_name = os.path.basename(pdf_path) result = {file_name: {}} try: with pdfplumber.open(pdf_path) as pdf: for page in pdf.pages: page_num = page.page_number tables = page.extract_tables({ "vertical_strategy": "lines", "horizontal_strategy": "lines", "explicit_vertical_lines": page.curves + page.edges, "explicit_horizontal_lines": page.curves + page.edges, "snap_tolerance": 8, "join_tolerance": 6, "text_x_tolerance": 6, "text_y_tolerance": 6 }) if tables: cleaned_tables = [ [ [cell.strip() if cell else "" for cell in row] for row in table ] for table in tables ] result[file_name][f"Page_{page_num}"] = cleaned_tables except Exception as e: print(f"处理文件 {file_name} 时出错: {str(e)}") result[file_name] = {"error": str(e)} return result def batch_process_pdfs(folder_path, workers=8): """批量处理PDF文件（多进程版本）""" all_results = {} pdf_files = [ os.path.join(folder_path, f) for f in os.listdir(folder_path) if f.lower().endswith('.pdf') ] with Pool(processes=workers) as pool: results = pool.map(process_single_pdf, pdf_files) for res in results: all_results.update(res) return all_results # 使用示例 if __name__ == "__main__": # 启动多进程处理（workers数量建议设置为CPU核心数×2） final_output = batch_process_pdfs(PDF_FOLDER, workers=8) # 查看结果结构 print(f"已处理 {len(final_output)} 个文件") for filename, content in final_output.items(): print(f"文件 {filename} 包含 {len(content)} 页表格数据") 似乎对于这段代码，只有所有文件都处理完毕才会有输出（final_output）？