Python批量加密Excel文件的实现示例

pip install openpyxl

from openpyxl import load_workbook
from openpyxl.styles import Protection

def encrypt_excel(file_path, password):
    workbook = load_workbook(file_path)
    for sheet in workbook.sheetnames:
        ws = workbook[sheet]
        ws.protection.sheet = True
        ws.protection.password = password

    encrypted_file_path = file_path.replace(".xlsx", "_encrypted.xlsx")
    workbook.save(encrypted_file_path)

# 使用示例
file_path = "example.xlsx"
password = "securepassword"
encrypt_excel(file_path, password)

import os

def batch_encrypt_excel(folder_path, password):
    for file_name in os.listdir(folder_path):
        if file_name.endswith(".xlsx"):
            file_path = os.path.join(folder_path, file_name)
            encrypt_excel(file_path, password)

# 使用示例
folder_path = "folder_with_excel_files"
password = "securepassword"
batch_encrypt_excel(folder_path, password)

def decrypt_excel(file_path, password):
    workbook = load_workbook(file_path, read_only=False, keep_vba=True)
    for sheet in workbook.sheetnames:
        ws = workbook[sheet]
        ws.protection.sheet = False
        ws.protection.password = password

    decrypted_file_path = file_path.replace("_encrypted.xlsx", "_decrypted.xlsx")
    workbook.save(decrypted_file_path)

# 使用示例
encrypted_file_path = "example_encrypted.xlsx"
password = "securepassword"
decrypt_excel(encrypted_file_path, password)

from openpyxl.styles import Protection

def custom_encrypt_excel(file_path, password):
    workbook = load_workbook(file_path)
    for sheet in workbook.sheetnames:
        ws = workbook[sheet]
        ws.protection.sheet = True
        ws.protection.password = password
        ws.protection.enableFormatCells = False  # 禁止格式更改
        ws.protection.enableInsertRows = False    # 禁止插入行
        ws.protection.enableSort = False          # 禁止排序
        ws.protection.enableAutoFilter = False    # 禁止自动筛选

    encrypted_file_path = file_path.replace(".xlsx", "_custom_encrypted.xlsx")
    workbook.save(encrypted_file_path)

# 使用示例
file_path = "example.xlsx"
password = "securepassword"
custom_encrypt_excel(file_path, password)

from getpass import getpass

def get_password():
    return getpass("Enter the password: ")

# 使用示例
password = get_password()
print("Password entered:", password)

from openpyxl import load_workbook
from openpyxl.utils.exceptions import InvalidFileException

def encrypt_excel(file_path, password):
    try:
        workbook = load_workbook(file_path)
        for sheet in workbook.sheetnames:
            ws = workbook[sheet]
            ws.protection.sheet = True
            ws.protection.password = password

        encrypted_file_path = file_path.replace(".xlsx", "_encrypted.xlsx")
        workbook.save(encrypted_file_path)
        print(f"Encryption successful. Encrypted file saved at: {encrypted_file_path}")

    except InvalidFileException:
        print(f"Error: Invalid file format. Please provide a valid Excel file.")
    except Exception as e:
        print(f"An unexpected error occurred: {e}")

# 使用示例
file_path = "nonexistent_file.xlsx"
password = "securepassword"
encrypt_excel(file_path, password)