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大概邏輯:
1.請求url
2.找到請求引數
3.分析引數產生程序
4.整合引數
1.請求url
http://fanyi.youdao.com/

2.找到請求引數


3.分析引數產生程序


e: 輸入的要翻譯的內容,
ts: 當前時間戳字串 [13位]
salt: 時間戳字串拼接上0-9 的隨機整數,
bv: 將 User-Agent 經過 md5 加密之后的密文
sign: 將 “fanyideskweb” + e + i + "Tbh5E8=q6U3EXe+&L[4c@"經過 md5 加密之后的密文,
4.整合引數
直接上代碼
# -*- coding:UTF-8 -*-
import random
import time
import hashlib
import requests
class YoudaoCrawl(object):
def __init__(self, word):
"""初始化方法"""
self.url = " http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule"
self.headers = {
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36",
"Cookie": 'OUTFOX_SEARCH_USER_ID=961608101@10.169.0.82; JSESSIONID=aaa6iBvh3WJaGgn8RPGBx; OUTFOX_SEARCH_USER_ID_NCOO=1574258758.1928287; ___rl__test__cookies=1610087834528',
"Referer": "http://fanyi.youdao.com/"
}
self.word = word
self.post_body = {}
def genrator_post_body(self):
"""生成請求體字典方法"""
# 1:拿到13位的時間戳
ts = str(int(time.time()*1000))
# 2: 得到salt = 13位時間戳+1位隨機值
salt = ts + str(random.randint(0, 10))
# 3: 得到sign = 兩個字串 + 被翻譯的值 + 鹽值
sign_str = "fanyideskweb" + self.word + salt + "Tbh5E8=q6U3EXe+&L[4c@"
# 4: 將sign_str 用md5進行加密:
md5 = hashlib.md5()
md5.update(sign_str.encode())
sign = md5.hexdigest()
self.post_body = {
"i": self.word,
"from": "AUTO",
"to": "AUTO",
"smartresult": "dict",
"client": "fanyideskweb",
"salt": salt,
"sign": sign,
"ts": ts,
"bv": "b286f0a34340b928819a6f64492585e8",
"doctype": "json",
"version": "2.1",
"keyfrom": "fanyi.web",
"action": "FY_BY_REALTlME"
}
def send_request(self):
"""發送請求的方法"""
response = requests.post(self.url, headers=self.headers, data=self.post_body)
return response.json()
def parser_response(self, ret_dict):
# 從字典中提取翻譯結果
# jsonpath: $..src
ret = ret_dict["translateResult"][0][0]["tgt"]
print("翻譯的文本:{} 翻譯的結果:{}".format(self.word, ret))
def run(self):
"""運行函式"""
self.genrator_post_body()
ret_dict = self.send_request()
self.parser_response(ret_dict)
if __name__ == '__main__':
data = input("請輸入引數:")
spider = YoudaoCrawl(data)
spider.run()
運行結果:

公眾號:

轉載請註明出處,本文鏈接:https://www.uj5u.com/houduan/246562.html
標籤:python
