Created
February 22, 2020 21:04
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cliente sencillo tornado javascript E6
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| <!DOCTYPE html> | |
| <html lang="es" dir="ltr"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>mi pagina</title> | |
| </head> | |
| <body> | |
| <h1>hola amigos</h1> | |
| <h2 id="mostrarfecha"></h2> | |
| </body> | |
| <script type="text/javascript"> | |
| function actualizar_fecha() { | |
| console.log('actualizando fecha'); | |
| let indicador = document.getElementById('mostrarfecha'); | |
| fetch('/ping') | |
| .then(resp => { | |
| console.log(resp); | |
| return resp.json(); | |
| }) | |
| .then(res => { | |
| indicador.innerHTML = res.hora; | |
| }) | |
| .catch(err => { | |
| console.log(err); | |
| indicador.innerHTML = 'hay un error'; | |
| }) | |
| } | |
| window.setInterval(actualizar_fecha, 3000); | |
| </script> | |
| </html> |
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| # -*- coding: utf-8 -*- | |
| from tornado.ioloop import IOLoop | |
| import tornado.web | |
| from tornado import gen | |
| from datetime import datetime | |
| class probeHandler(tornado.web.RequestHandler): | |
| def get(self, *args, **kwargs): | |
| self.render('mi_pagina.html') | |
| def post(self, *args, **kwargs): | |
| print(args) | |
| print(kwargs) | |
| self.write({'response': 'posted it'}) | |
| class pingHandler(tornado.web.RequestHandler): | |
| """docstring for pingHandler.""" | |
| def get(self, *arg, **kwargs): | |
| self.write({'respuesta': 'pong', 'hora': str(datetime.now())}) | |
| def make_app(): | |
| return tornado.web.Application([ | |
| (r"/", probeHandler), | |
| (r'/ping', pingHandler) | |
| ]) | |
| if __name__ == "__main__": | |
| app = make_app() | |
| app.listen(8888) | |
| current = IOLoop.current() | |
| current.start() |
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