excel解密工具在线解密,excel解密软件

import osimport pdfplumberimport refrom langconv import *import pymysqlfrom PyPDF2 import PdfFileReaderfrom PyPDF2 import PdfFileWriterimport datetimeimport eventletfrom multiprocessing import Process, Queue, Pooldef get_reader(filename, password): try: old_file = open(filename, 'rb') print('run jiemi1') except Exception as err: print('文件打开失败！' + str(err)) return None # 创建读实例 pdf_reader = PdfFileReader(old_file, strict=False) # 解密操作 if pdf_reader.isEncrypted: if password is None: print('%s文件被加密，需要密码！' % filename) return None else: if pdf_reader.decrypt(password) != 1: print('%s密码不正确！' % filename) return None if old_file in locals(): old_file.close() return pdf_reader def decrypt_pdf(filename, password, decrypted_filename=None): """ 将加密的文件及逆行解密，并生成一个无需密码pdf文件 :param filename: 原先加密的pdf文件 :param password: 对应的密码 :param decrypted_filename: 解密之后的文件名 :return: """ # 生成一个Reader和Writer print('run jiemi') # print(filename) pdf_reader = get_reader(filename, password) if pdf_reader is None: return filename if not pdf_reader.isEncrypted: print('文件没有被加密，无需操作！') return filename pdf_writer = PdfFileWriter() pdf_writer.appendPagesFromReader(pdf_reader) if decrypted_filename is None: decrypted_filename = "".join(filename.split('.')[:-1]) + '_' + 'decrypted' + '.pdf' # 写入新文件 pdf_writer.write(open(decrypted_filename, 'wb')) return decrypted_filename