利用python实现命令行有道词典的方法示例

#!/usr/bin/env python

# -*- coding:utf-8 -*-

# API key：273646050

# keyfrom：11pegasus11

importjson

importsys

try:# py3

 fromurllib.parseimporturlparse, quote, urlencode, unquote

 fromurllib.requestimporturlopen

except:# py2

 fromurllibimporturlencode, quote, unquote

 fromurllib2importurlopen

deffetch(query_str=''):

 query_str=query_str.strip("'").strip('"').strip()

 ifnotquery_str:

 query_str='python'

 print(query_str)

 query={

 'q': query_str

 }

 url='http://fanyi.youdao.com/openapi.do?keyfrom=11pegasus11&key=273646050&type=data&doctype=json&version=1.1&'+urlencode(query)

 response=urlopen(url, timeout=3)

 html=response.read().decode('utf-8')

 returnhtml

defparse(html):

 d=json.loads(html)

 try:

 ifd.get('errorCode')==0:

  explains=d.get('basic').get('explains')

  foriinexplains:

  print(i)

 else:

  print('无法翻译')

 except:

 print('翻译出错，请输入合法单词')

defmain():

 try:

 s=sys.argv[1]

 exceptIndexError:

 s='python'

 parse(fetch(s))

if__name__=='__main__':

 main()