self.render-string() 渲染成字符串
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.container{
border: 2px solid #dddddd;
height: 400px;
overflow: auto;
}
</style>
</head>
<body>
<div style="width: 750px;margin: 0 auto;">
<h1>1024聊天室</h1>
<div class="container">
</div>
<div class="input">
<input type="text" id="txt" />
<input type="button" value="发送" id="btn" onclick="sendMessage();" />
</div>
</div>
<script src="/static/jquery-1.12.4.js"></script>
<script>
ws = new WebSocket("ws://127.0.0.1:8888/chat");
ws.onmessage = function (event) {
$(‘.container‘).append(event.data);
};
ws.onclose = function () {
};
function sendMessage() {
ws.send($(‘#txt‘).val());
}
</script>
</body>
</html>
index.html
import tornado.web
import tornado.ioloop
import tornado.websocket
class IndexHandler(tornado.web.RequestHandler):
def get(self, *args, **kwargs):
self.render(‘index.html‘)
users = set()
class ChatHandler(tornado.websocket.WebSocketHandler):
def open(self, *args, **kwargs):
"""
客户端和服务端已经建立连接
1. 连接
2. 握手
:param args:
:param kwargs:
:return:
"""
users.add(self)
def on_message(self, message):
content = self.render_string(‘message.html‘,msg=message)
for client in users:
client.write_message(content)
def on_close(self):
"""
客户端主动关闭连接
:return:
"""
users.remove(self)
def run():
settings = {
‘template_path‘: ‘templates‘,
‘static_path‘: ‘static‘,
}
application = tornado.web.Application([
(r"/", IndexHandler),
(r"/chat", ChatHandler),
], **settings)
application.listen(8888)
tornado.ioloop.IOLoop.instance().start()
if __name__ == "__main__":
run()
app.py
原文地址：https://www.cnblogs.com/jintian/p/11445360.html
时间： 2024-10-31 00:58:02