有道翻译

• 使用post请求
• 关键点 接口http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule中点 “_o” 删除

代码如下：

import urllib.request
import urllib.parse
import json

class Youdao():
def __init__(self):
    self.data = {
        'i': '你好',
        'from': 'AUTO',
        'to': 'AUTO',
        'smartresult': 'dict',
        'client': 'fanyideskweb',
        'salt': '15958142153996',
        'sign': 'a40a53b10db1266b6f7e83da1a6892d',
        'ts': '1595814215399',
        'bv': 'a574807abaa52e41f9bafcd0b33fd416',
        'doctype': 'json',
        'version': '2.1',
        'keyfrom': 'fanyi.web',
        'action': 'FY_BY_CLICKBUTTION'
    }
    self.base_url='http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule'
    self.headers={
        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36'
    }

def main(self):
    key = input('请输入关键词 ： ')
    self.data['i'] = key
    data = urllib.parse.urlencode(self.data)
    data_bytes = bytes(data,'utf-8')
    req = urllib.request.Request(self.base_url,data=data_bytes,headers=self.headers)
    res = urllib.request.urlopen(req)
    html = res.read().decode('utf-8')
    # 把字符串转换成字典文件
    r_dict = json.loads(html)
    # print(html)
    return r_dict['translateResult'][0][0]


if __name__=='__main__':
  spider = Youdao()
  result = spider.main()
  print('result-->',str(result))