爬取有道翻譯

1.進入有道翻譯 拿到url

2.然后分析

3.通過url爬取

4，分析fromdata
通過分析發(fā)現(xiàn)
salt，sign，lts這三個數(shù)據(jù)是動態(tài)變化的

5.我們就可以構建fromdata
通過分析發(fā)現(xiàn)r是時間戳，i是r+0,9的隨機數(shù)
sign是hash加密（“fanyideskweb” + 我們輸入框輸入的字符串 + 就是上面的i + “Y2FYu%TNSbMCxc3t2u^XT”）
6.代碼如下

# -*- coding: utf-8 -*- """ @Time ： 2021/9/23 15:17 @Auth ： 顏 @File ：python解析有道翻譯.py @IDE ：PyCharm """ import requests import time import hashlib import random import jsonclass YouDao(object):def __init__(self, word):self.url = 'https://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule'self.headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) ""Chrome/93.0.4577.82 Safari/537.36 ","Cookie": "OUTFOX_SEARCH_USER_ID=467129664@10.169.0.102; JSESSIONID=aaaejjt9lMzrAgeDsHrWx; ""OUTFOX_SEARCH_USER_ID_NCOO=1850118475.9388125; ___rl__test__cookies=1632381536261","Referer": "https://fanyi.youdao.com/"}self.fromdata = Noneself.word = word# 構建fromdatadef generate_data(self):ts = str(int(time.time() * 1000))salt = ts + str(random.randint(0, 9))temp = "fanyideskweb" + self.word + salt + "Y2FYu%TNSbMCxc3t2u^XT"md5 = hashlib.md5()md5.update(temp.encode())sign = md5.hexdigest()self.fromdata = {"i": self.word,"from": "AUTO","to": "AUTO","smartresult": "dict","client": "fanyideskweb","salt": salt,"sign": sign,"lts": ts,"bv": "5f70acd84d315e3a3e7e05f2a4744dfa","doctype": "json","version": "2.1","keyfrom": "fanyi.web","action": "FY_BY_REALTlME",}# 拿到json數(shù)據(jù)def get_data(self):response = requests.post(self.url, data=self.fromdata, headers=self.headers)return response.content# 解析json數(shù)據(jù)def parse_data(self, data_list):data = json.loads(data_list)print(data['translateResult'][0][0]['tgt'])# 調(diào)用def run(self):# 獲取url# 設置headeds# 構建fromedataself.generate_data()# 發(fā)送請求，獲取響應data = self.get_data()# print(data)# 解析數(shù)據(jù)self.parse_data(data)if __name__ == '__main__':words = input('請輸入你需要翻譯的內(nèi)容:')youdao = YouDao(words)youdao.run()

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