python web.py开发httpserver解决跨域问题实例解析

#!/usr/bin/env python 
# encoding: utf-8 
import redis 
import web 
import json 
import string 
from time import time 
 
urls = ( 
  '/qlljx/realtimedata', 'realtimedata' 
  ) 
app = web.application(urls, globals()) 
 
def getResult(): 
 r = redis.Redis(host='127.0.0.1', port=6379) 
 result_list = [] 
 regionlist = r.hgetall('regionlist') 
 timestamp = r.hget('zhongguo_bgp', 'timestamp') 
 for region in regionlist: 
  value = {'mip': str(regionlist[region]), 'region': region, \ 
    'inpps': int(r.hget(region, 'inpps')), 'outpps': int(r.hget(region, 'outpps')), \ 
    'inbps': int(r.hget(region, 'inbps')), 'outbps': int(r.hget(region, 'outbps')), \ 
    'pktpct': string.atof(r.hget(region, 'pktpct')), 'bytpct': string.atof(r.hget(region, 'bytpct'))} 
  result_list.append(value) 
 
 result = {'timestamp': timestamp, 'result': result_list} 
 return json.dumps(result) 
 
class realtimedata: 
 def POST(self): 
  data = web.data() 
  request_type = str(json.loads(data)['type']) 
  if request_type == 'getRealTimeData': 
   result = getResult() 
   web.header("Access-Control-Allow-Origin", "*") 
   #web.header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE") 
   #web.header("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, \ 
   #  Accept-Encoding, X-CSRF-Token, Authorization") 
   return result 
 
if __name__ == "__main__": 
 app.run() 

[root@localhost python]# ./ap-httpserver.py 1216