python爬虫06

import json
import urllib.parse
import time
while True:
    url = "http://fanyi.youdao.com/translate?smartresult=dict&smartresult=rule&smartresult=ugc&sessionFrom=null"
    input_data = input("输入你要翻译的数据：")
    if input_data == "!q":
        break
    data = {}
    #head 添加请求头部，如果服务端通过请求头判断是否为机器访问，可以通过添加请求头
    head = {}
    head['User-Agent'] = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0'
    head['Accept'] = 'application/json, text/javascript, */*; q=0.01'
    data['type'] = 'AUTO'
    data['i'] = input_data
    data['doctype'] = 'json'
    data['xmlVersion'] = '1.8'
    data['keyfrom'] = 'fanyi.web'
    data['ue'] = 'UTF-8'
    data['action'] = 'FY_BY_CLICKBUTTON'
    data['typoResult'] = 'true'
    data = urllib.parse.urlencode(data).encode('utf-8')
    # req = urllib.request.urlopen(url,data,head)  加了header 直接用urlopen会报错
    req = urllib.request.Request(url,data,head)
    """
    或者通过add_header()添加请求头部
    req = urllib.request.Request(url,data)
    req.add_header('User-Agent','Mozilla/5.0 (Windows NT 6.1; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0')
    """
    req = urllib.request.urlopen(req)
    re_data = req.read().decode('utf-8')
    re_data = json.loads(re_data)
    re = re_data['translateResult'][0][0]['tgt']
    print("您输入的数据翻译为：%s" %re)

    time.sleep(5)

###################################

C:\Users\Administrator\AppData\Local\Programs\Python\Python36-32\python.exe D:/gui/caiji5.py
输入你要翻译的数据：我爱钱，我很爱钱
您输入的数据翻译为：I love money, I love money
输入你要翻译的数据：我爱钱，我很爱很爱钱
您输入的数据翻译为：I love money, I love money
输入你要翻译的数据：