问题描述
我正在使用flask-socketio创建一个烧瓶聊天应用程序。当我单击发送按钮时,屏幕上不显示任何消息。我参考了flask-socketio文档来进行所有设置。有人可以帮我吗。
mainapp.py片段
from flask_socketio import SocketIO,send,emit
app = Flask(__name__)
app.secret_key = 'replace later'
# Initialise Flask-Socketio
socketio = SocketIO(app)
@app.route("/chat",methods=['GET','POST'])
def chat():
return render_template('chat.html')
@socketio.on('message')
def message(data):
#print(f"\n{data}\n")
send(data)
chat.HTML代码段
<div id="display-message-section">
</div>
<!-- Input area -->
<div id="input-area">
<input type="text" id="user_message" placeholder="Type here..." autocomplete="off">
<button type="button" id="send_message">SEND</button>
</div>
<!-- SocketIO JS -->
<script src="//cdnjs.cloudflare.com/ajax/libs/socket.io/2.2.0/socket.io.js" integrity="sha256-yr4fRk/GU1ehYJPAs8P4JlTgu0Hdsp4ZKrx8bDEDC3I="
crossorigin="anonymous"></script>
<!-- Custom SocketIO JS -->
<script src="{{ url_for('static',filename='scripts/socketio.js') }}"></script>
socketio.js(在静态/脚本中)代码段
document.addEventListener('DOMContentLoaded',() => {
var socket = io.connect('http://' + document.domain + ':' + location.port);
socket.on('connect',() => {
socket.send("I am connected");
});
socket.on('message',data =>{
const p = document.createElement('p');
const br = document.createElement('br');
p.innerHTML = data;
document.querySelector('#display-message-section').append(p);
});
document.querySelector('#send_message').onclick = ()=>{
socket.send(document.querySelector('#user_message').value);
}
})
输出看起来像什么-Link to image 1
应该是什么样-Link to image 2
解决方法
试图清除Cookie和缓存,一切正常。