有道翻译最新爬虫代码-基于Python3

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需要安装requests库，

pip3 install requests

# coding=gbk

#有道翻译使用requests
import requests
import time,random,hashlib

#生成data中salt和sign两个数据
def salt_sign(keyword):
        #m = hashlib.md5()
        now_time = int(time.time()*1000)
        salt = now_time+random.randint(1,10)
        sign = "fanyideskweb" + keyword + str(salt) + "aNPG!!u6sesA>hBAW1@(-"
        #m.update(bytes(sign,encoding='utf-8'))
        #sign = m.hexdigest()
        sign = hashlib.md5(sign.encode('utf-8')).hexdigest()
        return (salt,sign,now_time)
        

def translate(keyword):
                #取出salt,sign和当前时间
                salt,sign,now_time = salt_sign(keyword)
                url = 'http://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule'
                #data提交制定
                data = {
                'action':'FY_BY_REALTIME',
                'client':'fanyideskweb',
                'doctype':'json',
                'from':'AUTO',
                'i':keyword,
                'keyfrom':'fanyi.web',
                'salt':salt,
                'sign':sign,
                'smartresult':'dict',
                'to':'AUTO',
                'typoResult':'false',
                'version':'2.1',
	}
                #header信息制定
                headers = {
                                'Accept':'application/json, text/javascript, */*; q=0.01',
                                #'Accept-Encoding':'gzip, deflate',
                                'Accept-Language':'zh-CN,zh;q=0.8',
                                'Connection':'keep-alive',
                                #'Content-Length':'218',#len(data),
                                'Content-Type':'application/x-www-form-urlencoded; charset=UTF-8',
                                'Host':'fanyi.youdao.com',
                                'Origin':'http://fanyi.youdao.com',
                                'Referer':'http://fanyi.youdao.com/',
                                'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.104 Safari/537.36',
                                'Cookie':'[email protected]; JSESSIONID=aaajO50X4odGG5auUeLpw; OUTFOX_SEARCH_USER_ID_NCOO=806738224.8182715; fanyi-ad-id=44881; fanyi-ad-closed=1; Hm_lvt_4e5bdf78b2b9fcb88736fc67709f2806=1528556613,1528556720,1528557273; Hm_lpvt_4e5bdf78b2b9fcb88736fc67709f2806=1528557273; Hm_lvt_cc903faaed69cca18f7cf0997b2e62c9=1528556613,1528556720,1528557273; Hm_lpvt_cc903faaed69cca18f7cf0997b2e62c9=1528557273; ___rl__test__cookies'+str(now_time),
                                'X-Requested-With':'XMLHttpRequest',
	}

                #将提交信息封装
                res = requests.post(url,data=data,headers=headers)
                #提取reponse的信息
                str_json = res.json()
                print(str_json)
                print('"%s"\n翻译的内容是:\n%s' % (str_json['translateResult'][0][0]['src'],str_json['translateResult'][0][0]['tgt']))

if __name__ == '__main__':
    while True:
        keyword = input('请输入需要翻译的内容(退出请输入"q"或"Q"):\n')
        if (keyword == 'q' or keyword == 'Q'):
            print('翻译结束')
            break
        translate(keyword)
        print('='*20)