import urllib2
import json
response = urllib2.urlopen('http://imanage.spreadtrum.com/imanage/home/pm?act=GetAllUser')
all_staff = []
result = response.read()
result = json.loads(result, encoding="utf-8")
for k,v in result["data"].iteritems():
all_staff.append(k)
all_staff.sort()
return all_staff