I'm not getting response in socket from flask server
Question
I'm working on socket.io module in flask and I'm not getting a response in the socket after pressing yes, no or maybe button
Here is my code
html code
> <!DOCTYPE html>
> <html>
> <head>
> <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/1.3.6/socket.io.min.js"></script>
> <script type="text/javascript" src="{{ url_for('static', filename='index.js') }}"></script>
> <title>Vote</title>
> </head>
> <body>
> <ul id="votes">
> </ul>
> <hr>
> <button data-vote="yes">Yes</button>
> <button data-vote="no">No</button>
> <button data-vote="maybe">Maybe</button>
> </body>
> </html>
This is my js code
document.addEventListener('DOMContentLoaded', () => {
// Connect to websocket
var socket = io.connect(location.protocol + '//' + document.domain + ':' + location.port);
// When connected, configure buttons
socket.on('connect', () => {
// Each button should emit a "submit vote" event
document.querySelectorAll('button').forEach(button => {
button.onclick = () => {
const selection = button.dataset.vote;
socket.emit('submit vote', {'selection': selection});
};
});
});
// When a new vote is announced, add to the unordered list
socket.on('announce vote', data => {
const li = document.createElement('li');
li.innerHTML = `Vote recorded: ${data.selection}`;
document.querySelector('#votes').append(li);
});
});
This is my python code
import os
import requests
from flask import Flask, jsonify, render_template, request
from flask_socketio import SocketIO, emit
app = Flask(__name__)
app.config["SECRET_KEY"] = os.getenv("SECRET_KEY")
socketio = SocketIO(app)
@app.route("/")
def index():
return render_template("index.html")
@socketio.on("submit vote")
def vote(data):
selection = data["selection"]
emit("announce vote", {"selection": selection}, broadcast=True)
127.0.0.1 - - [06/Mar/2019 23:48:55] "GET / HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:48:55] "GET /static/index.js HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:48:56] "GET /socket.io/?EIO=3&transport=polling&t=1551896336110-0 HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:49:56] "GET /socket.io/?EIO=3&transport=polling&t=1551896336245-1&sid=7d3a45fe719e4e92a2b60728ff734cdf HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:49:56] "GET /favicon.ico HTTP/1.1" 404 - 127.0.0.1 - - [06/Mar/2019 23:49:56] "POST /socket.io/?EIO=3&transport=polling&t=1551896337783-2&sid=7d3a45fe719e4e92a2b60728ff734cdf HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:49:56] "POST /socket.io/?EIO=3&transport=polling&t=1551896396273-3&sid=7d3a45fe719e4e92a2b60728ff734cdf HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:49:57] "GET /socket.io/?EIO=3&transport=polling&t=1551896397551-4 HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:50:56] "GET /socket.io/?EIO=3&transport=polling&t=1551896397576-5&sid=42e86974ded740ed8ee99 266e917048e HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:50:56] "POST /socket.io/?EIO=3&transport=polling&t=1551896423047-6&sid=42e86974ded740ed8ee99266e917048e HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:50:56] "GET /socket.io/?EIO=3&transport=polling&t=1551896456270-7&sid=42e86974ded740ed8ee99266e917048e HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:50:57] "POST /socket.io/?EIO=3&transport=polling&t=1551896457043-8&sid=42e86974ded740ed8ee99266e917048e HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:50:59] "GET /socket.io/?EIO=3&transport=polling&t=1551896459040-9 HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:51:56] "GET /socket.io/?EIO=3&transport=polling&t=1551896459067-10&sid=b782019c299b4bc5a913934763b09059 HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:51:56] "POST /socket.io/?EIO=3&transport=polling&t=1551896485040-11&sid=b782019c299b4bc5a913934763b09059 HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:51:56] "GET /socket.io/?EIO=3&transport=polling&t=1551896516257-12&sid=b782019c2 99b4bc5a913934763b09059 HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:51:57] "POST /socket.io/?EIO=3&transport=polling&t=1551896517043-13&sid=b782019c299b4bc5a913934763b09059 HTTP/1.1" 400 - 127.0.0.1 - - [06/Mar/2019 23:51:58] "GET /socket.io/?EIO=3&transport=polling&t=1551896518044-14 HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:52:56] "GET /socket.io/?EIO=3&transport=polling&t=1551896518072-15&sid=62c3c894db304b538f830b5036e42b6c HTTP/1.1" 200 - 127.0.0.1 - - [06/Mar/2019 23:52:56] "POST /socket.io/?EIO=3&transport=polling&t=1551896544039-16&sid=62c3c894db304b538f830b5036e42b6c HTTP/1.1" 400 -
1 answers
solution1
0 2019-03-06 18:53:52
不确定，但是可以请您尝试
socketio.emit("announce vote", {"selection": selection})
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