tornado简单实现restful接口1

tornado - 异步web框架,性能很好,生产环境下用Nginx代理

主要功能看web.py
核心io循环,高级功能看ioloop.py
模板看template.py
db看torndb.py(3.1已经挑出来做成单独库了)

get/post及json使用:

#!/usr/bin/env python
# -*- coding:utf-8 -*-

import tornado.ioloop
import tornado.web
import json

class MainHandler(tornado.web.RequestHandler):
    def get(self):
        self.write("Hello, World")


# 访问: http://localhost:8888/story/sishen232
# 显示:U get story id is sishen232
class StoryHandler(tornado.web.RequestHandler):
    def get(self, story_id):
        self.write("U get story id is " + story_id)


class AddHandler(tornado.web.RequestHandler):
    # 这里可以用get的form信息,也可以直接用curl来post json数据

    def post(self):
        raw_data = self.request.body
        print "raw:", raw_data
        res = json.loads(raw_data)
        s = res["num1"] + res["num2"]
        self.write(json.dumps({"sum":s}))


application = tornado.web.Application([
    (r"/", MainHandler),
    (r"/story/(sishen[0-9]+)", StoryHandler), # 正则url映射,方便get
    (r"/add", AddHandler),
])

if __name__ == "__main__":
    application.listen(8888)
    tornado.ioloop.IOLoop.instance().start()

测试:

flyking@wf-vm-slave1:~$ curl -d '{"num1": 3, "num2": 5}' "http://localhost:8888/add"

结果:

{"sum": 8}