python 调用Google翻译接口的方法

一、网页分析
打开谷歌翻译链接：https://translate.google.com/

按F12，点击network。在左侧输入"who are you"

可以看到，请求的链接为：

https://translate.google.com/_/TranslateWebserverUi/data/batchexecute?rpcids=MkEWBc&f.sid=-2609060161424095358&bl=boq_translate-webserver_20201203.07_p0&hl=zh-CN&soc-app=1&soc-platform=1&soc-device=1&_reqid=359373&rt=c

发送的数据为：

这里面的who are you表示，需要翻译的文字

ja 表示日本的简称。

二、代码演示

# ！/usr/bin/python3
# -*- coding: utf-8 -*-
import requests
import re


def translated_content(text, target_language):
  headers = {
    "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
    # "accept-language": "en,zh-CN;q=0.9,zh;q=0.8",
    "content-type": "application/x-www-form-urlencoded;charset=UTF-8",
    "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36"
  }
  # 请求url
  url = "https://translate.google.com/_/TranslateWebserverUi/data/batchexecute?rpcids=MkEWBc&f.sid=-2609060161424095358&bl=boq_translate-webserver_20201203.07_p0&hl=zh-CN&soc-app=1&soc-platform=1&soc-device=1&_reqid=359373&rt=c"
  # 数据参数
  from_data = {
    "f.req": r"""[[["MkEWBc","[[\"{}\",\"auto\",\"{}\",true],[null]]",null,"generic"]]]""".format(text, target_language)
  }
  try:
    r = requests.post(url, headers=headers, data=from_data, timeout=60)
    if r.status_code == 200:
      # 正则匹配结果
      response = re.findall(r',\[\[\\"(.*?)\\",\[\\', r.text)
      if response:
        response = response[0]
      else:
        response = re.findall(r',\[\[\\"(.*?)\\"]', r.text)
        if response:
          response = response[0]
      return response
  except Exception as e:
    print(e)
    return False

# 翻译各个国家语言
for i in ['en', 'zh', 'fr', 'ja', 'de']:
  response = translated_content("who are you", i)
  print(response)

执行输出：

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