python批量翻译excel表格中的英文

def TranslateTable(sInputFilename, sOutputFilename):
    # 读取表格A并选择需要翻译的列
    df_a = pd.read_excel(sInputFilename) # 获取df对象
    df_a = df_a.iloc[:, [1, 2]]  # iloc和loc很像，i=index，
    # 翻译英文列
    df_a['translation'] = df_a.iloc[:, 0].apply(Translate)
    # 创建表格B并保存
    df_b = pd.DataFrame({
        '原文': df_a.iloc[:, 0],
        '译文': df_a.iloc[:, 2]
    })
    df_b.to_excel(sOutputFilename, index=False)

def Translate(sText, from_lang='en', to_lang='zh'):
    appid = 'xxxxxx'
    secret_key = 'xxxxxx'
    url = 'https://fanyi-api.baidu.com/api/trans/vip/translate'
    salt = random.randint(32768, 65536)
    sign = hashlib.md5((appid + sText + str(salt) + secret_key).encode()).hexdigest()
    params = {
        'q': sText,
        'from': from_lang,
        'to': to_lang,
        'appid': appid,
        'salt': salt,
        'sign': sign
    }
    response = requests.get(url, params=params)
    result = JSON.loads(response.content.decode())
    if result.get('error_code') is not None:
        return None
    return result['trans_result'][0]['dst']

def TranslateTables(sInputFolder, sOutputFolder):
    sInputFilenames = [os.path.join(sInputFolder, f) for f in os.listdir(sInputFolder) if f.endswith('.xlsx')]
    with ThreadPoolExecutor() as executor:
        lstFutures = []
        for sInputFilename in sInputFilenames:
            sFilename = os.path.splitext(os.path.basename(sInputFilename))[0]
            sOutputFilename = os.path.join(sOutputFolder, sFilename + '_翻译结果.xlsx')
            lstFutures.append(executor.submit(TranslateTable, sInputFilename, sOutputFilename))
        for future in tqdm(as_completed(lstFutures), total=len(lstFutures)):
            pass

# -*- coding: utf-8 -*-
# time: 2022/2/17 03:06
# file: test.py
# author: Shi Yasong

"""
主要功能功能：
    1、读取一个表格文件，获取需要翻译的文本。
    2、使用百度翻译 API 进行翻译，获取翻译结果。
    3、将翻译结果保存到原表格中，然后提取需要的列组成一个新的 DataFrame。
    4、处理多个表格文件，将它们的翻译结果合并到一个 DataFrame 中，然后分别保存。
    5、使用线程池加速翻译过程，可以同时翻译多个表格
    6、使用  concurrent.futures.as_completed 函数显示进度条。
"""


from concurrent.futures import ThreadPoolExecutor, as_completed
from tqdm import tqdm  # 进度条库，需要先安装

import pandas as pd
import requests
import json
import os
import hashlib
import random


def Translate(sText, from_lang='en', to_lang='zh'):
    appid = 'xxxx'
    secret_key = 'xxxxx'
    url = 'Https://fanyi-api.baidu.com/api/trans/vip/translate'
    salt = random.randint(32768, 65536)
    sign = hashlib.md5((appid + sText + str(salt) + secret_key).encode()).hexdigest()
    params = {
        'q': sText,
        'from': from_lang,
        'to': to_lang,
        'appid': appid,
        'salt': salt,
        'sign': sign
    }
    response = requests.get(url, params=params)
    result = json.loads(response.content.decode())
    if result.get('error_code') is not None:
        return None
    return result['trans_result'][0]['dst']


def TranslateTable(sInputFilename, sOutputFilename):
    # 读取表格A并选择需要翻译的列
    df_a = pd.read_excel(sInputFilename) # 获取df对象
    df_a = df_a.iloc[:, [1, 2]]  # iloc和loc很像，i=index，
    # 翻译英文列
    df_a['translation'] = df_a.iloc[:, 0].apply(Translate)
    # 创建表格B并保存
    df_b = pd.DataFrame({
        '原文': df_a.iloc[:, 0],
        '译文': df_a.iloc[:, 2]
    })
    df_b.to_excel(sOutputFilename, index=False)


def TranslateTables(sInputFolder, sOutputFolder):
    sInputFilenames = [os.path.join(sInputFolder, f) for f in os.listdir(sInputFolder) if f.endswith('.xlsx')]
    with ThreadPoolExecutor() as executor:
        lstFutures = []
        for sInputFilename in sInputFilenames:
            sFilename = os.path.splitext(os.path.basename(sInputFilename))[0]
            sOutputFilename = os.path.join(sOutputFolder, sFilename + '_翻译结果.xlsx')
            lstFutures.append(executor.submit(TranslateTable, sInputFilename, sOutputFilename))
        for future in tqdm(as_completed(lstFutures), total=len(lstFutures)):
            pass


# 调用函数翻译多个表格
sInputFolder = r'C:\Users\lenovo\Desktop\english'  # 修改为实际的表格文件夹路径
sOutputFolder = r'C:\Users\lenovo\Desktop\zh'  # 修改为实际的表格文件夹路径
TranslateTables(sInputFolder, sOutputFolder)