masahitojp/clock_ws.py

## clock_ws.py
#!/usr/bin/env python

import time
import datetime
import tornado.httpserver
import tornado.ioloop
import tornado.web
from tornado import websocket
import os

class ClockWebSocket(websocket.WebSocketHandler):
    def open(self):
        self._send_clock()

    def _send_clock(self):
        nowtime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        self.write_message(nowtime)
        tornado.ioloop.IOLoop.instance().add_timeout(time.time() + 1, self._send_clock)


settings = {
    "static_path": os.path.join(os.path.dirname(__file__))
}

application = tornado.web.Application([
    (r"/", ClockWebSocket),
], **settings)

if __name__ == "__main__":
    print "Listening on http://localhost:8888/"
    server = tornado.httpserver.HTTPServer(application)
    server.listen(8888)
    tornado.ioloop.IOLoop.instance().start()

## index.html
<!DOCTYPE html>
<html>
  <head>
    <script type="text/javascript" src="http://www.google.com/jsapi"></script>
    <script type="text/javascript">google.load("jquery", "1.4.2");</script>
    <script type='text/javascript' lang='javascript'>
        var ws = new WebSocket('ws://localhost:8888');

        ws.onopen = function () {
        };

        ws.onmessage = function(evt) {
          $("#time").html(evt.data);
        };

    </script>
  </head>
  <body>
	<p>I am Clock!</p>
	<div id="time"></div>
  </body>
</html>
	#!/usr/bin/env python

	import time
	import datetime
	import tornado.httpserver
	import tornado.ioloop
	import tornado.web
	from tornado import websocket
	import os

	class ClockWebSocket(websocket.WebSocketHandler):
	def open(self):
	self._send_clock()

	def _send_clock(self):
	nowtime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
	self.write_message(nowtime)
	tornado.ioloop.IOLoop.instance().add_timeout(time.time() + 1, self._send_clock)


	settings = {
	"static_path": os.path.join(os.path.dirname(__file__))
	}

	application = tornado.web.Application([
	(r"/", ClockWebSocket),
	], **settings)

	if __name__ == "__main__":
	print "Listening on http://localhost:8888/"
	server = tornado.httpserver.HTTPServer(application)
	server.listen(8888)
	tornado.ioloop.IOLoop.instance().start()
	<!DOCTYPE html>
	<html>
	<head>
	<script type="text/javascript" src="http://www.google.com/jsapi"></script>
	<script type="text/javascript">google.load("jquery", "1.4.2");</script>
	<script type='text/javascript' lang='javascript'>
	var ws = new WebSocket('ws://localhost:8888');

	ws.onopen = function () {
	};

	ws.onmessage = function(evt) {
	$("#time").html(evt.data);
	};

	</script>
	</head>
	<body>
	<p>I am Clock!</p>
	<div id="time"></div>
	</body>
	</html>