30行爬虫代码实现中英互译

http://fanyi.youdao.com/

开发工具：Pycharm
python版本：python3.6.5
浏览器：Google

http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule

i:我是李运辰

{"translateResult":[[{"tgt":"I'm Li Yunchen","src":"我是李运辰"}]],"errorCode":0,"type":"zh-CHS2en"}

request.add_header('User-Agent',
                       'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36')

import urllib.request as req
import urllib.parse
import json

# 输入请求URL
    url = 'http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule&sessionFrom='

data = {}
# 将请求表单以字典的形式写入data传入,i表示需要翻译的内容
data['i'] = content
data['from'] = 'AUTO'
data['to'] = 'AUTO'
data['smartresult'] = 'dict'
data['client'] = 'fanyideskweb'
data['salt'] = '16099982906531'
data['sign'] = 'a9d35d5d61ef0421160b9d53b6dff04f'
data['lts'] = '1609998290653'
data['bv'] = '4f7ca50d9eda878f3f40fb696cce4d6d'
data['doctype'] = 'json'
data['version'] = '2.1'
data['keyfrom'] = 'fanyi.web'
data['action'] = 'FY_BY_CLICKBUTTION'

urllib.parse.urlencode(data).encode('utf-8')

request = req.Request(url, data)
response = req.urlopen(request)
html = response.read().decode('utf-8')

# 根据返回内容获取翻译结果
    target = json.loads(html)
    target = target['translateResult'][0][0]['tgt']
    print(target)