这篇文章主要介绍了Python爬虫爬取有道实现翻译功能,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下
准备
首先安装爬虫urllib库
pip install urllib
获取有道翻译的链接url
需要发送的参数在form data里
示例
import urllib.request import urllib.parse url = 'http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule' data = {} data['i'] = 'i love python' data['from'] = 'AUTO' data['to'] = 'AUTO' data['smartresult'] = 'dict' data['client'] = 'fanyideskweb' data['salt'] = '16057996372935' data['sign'] = '0965172abb459f8c7a791df4184bf51c' data['lts'] = '1605799637293' data['bv'] = 'f7d97c24a497388db1420108e6c3537b' data['doctype'] = 'json' data['version'] = '2.1' data['keyfrom'] = 'fanyi.web' data['action'] = 'FY_BY_REALTlME' data = urllib.parse.urlencode(data).encode('utf-8') response = urllib.request.urlopen(url,data) html = response.read().decode('utf-8') print(html)
运行会出现50的错误，这里需要将url链接的_o删除掉
删除后运行成功
但是这个结果看起来还是太复杂，需要在进行优化
导入json，然后转换成字典进行过滤
import urllib.request import urllib.parse import json url = 'http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule' data = {} data['i'] = 'i love python' data['from'] = 'AUTO' data['to'] = 'AUTO' data['smartresult'] = 'dict' data['client'] = 'fanyideskweb' data['salt'] = '16057996372935' data['sign'] = '0965172abb459f8c7a791df4184bf51c' data['lts'] = '1605799637293' data['bv'] = 'f7d97c24a497388db1420108e6c3537b' data['doctype'] = 'json' data['version'] = '2.1' data['keyfrom'] = 'fanyi.web' data['action'] = 'FY_BY_REALTlME' data = urllib.parse.urlencode(data).encode('utf-8') response = urllib.request.urlopen(url,data) html = response.read().decode('utf-8') req = json.loads(html) result = req['translateResult'][0][0]['tgt'] print(result)
来源[email protected]搞@^&代*@码)网但是这个程序只能翻译一个单词，用完就废了。于是我在进行优化
import urllib.request import urllib.parse import json def translate(): centens = input('输入要翻译的语句:') url = 'http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule' head = {}#增加请求头，防反爬虫 head['User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36' data = {}#带上from data的数据进行请求 data['i'] = centens data['from'] = 'AUTO' data['to'] = 'AUTO' data['smartresult'] = 'dict' data['client'] = 'fanyideskweb' data['salt'] = '16057996372935' data['sign'] = '0965172abb459f8c7a791df4184bf51c' data['lts'] = '1605799637293' data['bv'] = 'f7d97c24a497388db1420108e6c3537b' data['doctype'] = 'json' data['version'] = '2.1' data['keyfrom'] = 'fanyi.web' data['action'] = 'FY_BY_REALTlME' data = urllib.parse.urlencode(data).encode('utf-8') req = urllib.request.Request(url,data,head) response = urllib.request.urlopen(req) html = response.read().decode('utf-8') req = json.loads(html) result = req['translateResult'][0][0]['tgt'] # print(f'中英互译的结果：{result}') return result t = translate() print(f'中英互译的结果：{t}')
优化完成，效果还行。
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