python+mysql实现简单的web程序

host="127.0.0.1"
user="root"
password=""
charset="utf8"
database="service"
port=3306

import MySQLdb
import sys
import config
class AService(object):
    def getA(self,id):
      conn = MySQLdb.connect(host=config.host,user=config.user,passwd=config.password,port=config.port,db=config.database,charset=config.charset)
      result=[]
      try:
        cursor = conn.cursor();
        cursor.execute("select id,code,title from test_a where id='%d'"%(id))
        result = cursor.fetchone()
      except Exception,e:
        print "System error: ",e
        result = "error"
      finally:
        cursor.close()
        conn.close()
      return result

import web
import aService
import sys
 
urls = ("/Service/A","hello")
app = web.application(urls,globals())
 
class hello:
    def GET(self):
        mservice = aService.AService()
        result = mservice.getA(1)
        json = ""
        json +="{"
        json +="'id':"+str(result[0])+","
        json +="'code':'"+result[1]+"',"
        json +="'title':'"+result[2]+"'"
        json +="}"
        return json;
if __name__=="__main__":
    app.run()