短链接生成原理

import requests
import json
import hashlib
url = 'http://a.qbao.com/short'
param={"longUrl":r"http://m.qianbao666.com/api/v30/share4Client/share?type=3&prizeMoney=1,5765"}
r = requests.post(url,data=param)
print r.text



{"ok":true,"longUrl":"http://m.qianbao666.com/api/v30/share4Client/share?type=3\u0026prizeMoney=1,5765","shortUrl":"http://a.qbao.com/Pg"}


http get 
http://a.qbao.com/Pg

<a href="http://m.qianbao666.com/api/v30/share4Client/share?type=3\u0026prizeMoney=1,5765">Moved Permanently</a>.