Python3爬虫一

# -*- coding: UTF-8 -*-
from urllib import request
from urllib import parse
import json

if __name__ == "__main__":
    #对应上图的Request URL
    Request_URL = 'http://fanyi.youdao.com/translate'
    #创建Form_Data字典，存储上图的Form Data
    Form_Data = {}
    #Form_Data['type'] = 'AUTO'
    Form_Data['i'] = '我爱你'
    Form_Data['from'] = 'AUTO'
    Form_Data['to'] = 'AUTO'
    Form_Data['smartresult'] = 'dict'
    Form_Data['client'] = 'fanyideskweb'
    Form_Data['salt'] = '1534689771403'
    Form_Data['doctype'] = 'json'
    Form_Data['version'] = '2.1'
    Form_Data['sign'] = '717843204fefe3c0e9e1691f4a638ba8'
    #version: 2.1
    Form_Data['keyfrom'] = 'fanyi.web'
    #action: FY_BY_REALTIME
    #Form_Data['typoResult'] = 'false'
    #Form_Data['ue'] = 'ue:UTF-8'
    Form_Data['action'] = 'FY_BY_REALTIME'
    #使用urlencode方法转换标准格式
    data = parse.urlencode(Form_Data).encode('utf-8')
    #传递Request对象和转换完格式的数据
    response = request.urlopen(Request_URL,data)
    #读取信息并解码
    html = response.read().decode('utf-8')
    #print (html)
    #使用JSON
    translate_results = json.loads(html)
    #print (translate_results)
    #找到翻译结果
    translate_results = translate_results['translateResult'][0][0]['tgt']
    #打印翻译信息
    print("翻译的结果是：%s" % translate_results)
##输出的结果是：
翻译的结果是：I love you