Python-Tornado学习

import tornado.ioloop
import tornado.web


class MainHandler(tornado.web.RequestHandler):
    def get(self):
        self.write("Hello, world")       # 返回字符串时 


def make_app():
    return tornado.web.Application([
        (r"/", MainHandler),
    ])


if __name__ == "__main__":
    app = make_app()
    app.listen(8888)
    tornado.ioloop.IOLoop.current().start()


self.redirect('/some-canonical-page', permanent=True)   重定向 

self.write("Hello, world")   返回字符串 
self.render("template.html", title="My title", items=items)    # 模板渲染