主要代码：
def open_file():
file_path = filedialog.askopenfilename()
if file_path:
thread = threading.Thread(target=decrypt_excel, args=(file_path,))
thread.start()
else:
update_status("没有选择文件。")
def generate_passwords():
"""生成所有可能的密码组合，密码为 6 位数字"""
return (f"{i:06d}" for i in range(1000000)) # 生成从 000000 到 999999 的所有密码
def calculate_total_combinations():
"""计算密码组合总数"""
total = 10**6 # 6 位数字，每位 10 个可能的数字
return total
def attempt_decrypt(file_path, password, count, total_combinations, recent_passwords):
with open(file_path, "rb") as file_handle:
file = msoffcrypto.OfficeFile(file_handle)
try:
file.load_key(password=password)
decrypted_stream = io.BytesIO()
file.decrypt(decrypted_stream)
return True
except Exception:
return False
finally:
update_recent_passwords_in_thread(recent_passwords, password)
update_progress_in_thread(count, total_combinations)
def decrypt_excel(file_path):
total_combinations = calculate_total_combinations()
update_progress(0, total_combinations) # 初始化进度条
recent_passwords = deque(maxlen=10) # 用于存储最近尝试的 10 个密码
password_gen = generate_passwords()
found_password = None
with ThreadPoolExecutor(max_workers=10) as executor:
futures = {executor.submit(attempt_decrypt, file_path, password, count+1,
total_combinations, recent_passwords): password for count, password in
enumerate(password_gen)}
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