python3 post请求

import urllib.request
import os

#http代理
#os.environ['http_proxy'] = 'http://127.0.0.1:8080'
#os.environ['https_proxy'] = 'https://127.0.0.1:8080'

url = 'http://fanyi.baidu.com/v2transapi'
headers = {
    'User-Agent': 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
}
values = {
    'from': 'zh',
    'to': 'en',
    'query': '死肥猪',
    'transtype': 'translang',
    'simple_means_flag': '3'
}
data = urllib.parse.urlencode(values).encode('utf-8')
request = urllib.request.Request(url, data, headers)
html = urllib.request.urlopen(request).read().decode('utf-8')
print(html)