python 封装的post方法

#复杂post请求
url = 'http://m.ctrip.com'
payload = {'some': 'data'}
r = requests.post(url, data=json.dumps(payload)) #如果传递的payload是string而不是dict，需要先调用dumps方法格式化一下
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# -*- coding:utf-8 -*-
import requests
import json


# 发送post请求
def post(url, headers, values):
    try:
        headers['Content-Type'] = "application/json; charset=utf-8"
        response = requests.post(
            url=url,
            headers=headers,
            data=json.dumps(values)
        )
        return json.loads(response.content)
    except requests.exceptions.RequestException, e:
        print('HTTP Request failed :', url, values)
        print e