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  • Python爬去有道翻译

    注:传入的类型为POST类型,所以需要使用urllib.parse.urlencode(),将字典转换成URL可用参数;

      使用json.loads(),将输出的json格式,转换为字典类型

    import urllib.request
    import urllib.parse
    import json

    content = input("请输入要翻译的内容:")
    url = "http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule"
    data = {}
    data["i"] = content
    data["from"] = "AUTO"
    data["to"] = "AUTO"
    data["smartresult"] = "dict"
    data["client"] = "fanyideskweb"
    data["salt"] = "1537624423057"
    data["sign"] = "0c1989ed937485dd570fc4b5907cf567"
    data["doctype"] = "json"
    data["version"] = "2.1"
    data["keyfrom"] = "fanyi.web"
    data["action"] = "FY_BY_REALTIME"
    data["typoResult"] = "false"
    #因传入的类型为POST类型,所以需要将字典转换为url需要使用的参数
    data = urllib.parse.urlencode(data).encode("utf-8")
    response = urllib.request.urlopen(url, data)
    html = response.read().decode("utf-8")
    #将JSON格式转换成字典类型
    translate = json.loads(html)
    translate_src = translate["translateResult"][0][0]["src"]
    translate_Result = translate["translateResult"][0][0]["tgt"]
    print("翻译内容:%s" % translate_src)
    print("翻译结果:%s" % translate_Result)

    ==============================使用代理访问======================================

    import urllib.request

    import urllib.parse

    import json

    while True:
      content = input("请输入要翻译的内容(输入!退出):")
      if content == "!":
      break
      url = "http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule"
      data = {}
      data["i"] = content
      data["from"] = "AUTO"
      data["to"] = "AUTO"
      data["smartresult"] = "dict"
      data["client"] = "fanyideskweb"
      data["salt"] = "1537624423057"
      data["sign"] = "0c1989ed937485dd570fc4b5907cf567"
      data["doctype"] = "json"
      data["version"] = "2.1"
      data["keyfrom"] = "fanyi.web"
      data["action"] = "FY_BY_REALTIME"
      data["typoResult"] = "false"
      #因传入的类型为POST类型,所以需要将字典转换为url需要使用的参数
      data = urllib.parse.urlencode(data).encode("utf-8")
      #---------------------------------代理---------------------------------------------------
      #urllib.request.ProxyHandler的参数师一个数组
      proxy_support = urllib.request.ProxyHandler({"https": "27.17.45.90:43411"})
      #创建一个opener
      opener = urllib.request.build_opener(proxy_support)
      #添加user-agent
      opener.addheaders = [("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
                       "AppleWebKit/537.36 (KHTML, like Gecko) "
                       "Chrome/69.0.3497.81 Safari/537.36")]
      #全局加载代理IP
      urllib.request.install_opener(opener)

      #----------------------------------代理结束--------------------------------------------------
      req = urllib.request.Request(url, data)
      req.add_header("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
                    "AppleWebKit/537.36 (KHTML, like Gecko) "
                    "Chrome/69.0.3497.81 Safari/537.36")
      response = urllib.request.urlopen(req)
      html = response.read().decode("utf-8")
      #将JSON格式转换成字典类型
      translate = json.loads(html)
      translate_src = translate["translateResult"][0][0]["src"]
      translate_Result = translate["translateResult"][0][0]["tgt"]
      print("翻译内容:%s" % translate_src)
      print("翻译结果:%s" % translate_Result)

    ==============================分割线===========================================

    1、在运行中报{"errorCode":50},将审查元素中获取的URL里面,将translate_o的_o去掉就不会报错。
    2、data["salt"] = "1537624423057"  :时间戳
    3、data["sign"] = "0c1989ed937485dd570fc4b5907cf567"   :时间戳 + 翻译内容加密生成的字符串
    4、urllib.error.URLError: <urlopen error [Errno 11001] getaddrinfo failed>,没有连接到服务器,需要更换代理IP
    5、urllib.error.HTTPError: HTTP Error 403: Forbidden:需要添加user-agent
     
     
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  • 原文地址:https://www.cnblogs.com/kongjiangbing/p/9691536.html
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