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  • websocket来回收发消息

    # server-
    # pip install geventwebsocket
    # pip install flask

    from flask import Flask, render_template, request from geventwebsocket.handler import WebSocketHandler from gevent.pywsgi import WSGIServer from geventwebsocket.websocket import WebSocket # 用来确定WebSocket对象 app = Flask(__name__) user_socket_list = [] @app.route('/ws') def ws(): # 来回收发信息 # 一个用户的长链接wsgi.websocket user_socket = request.environ.get("wsgi.websocket") # type:WebSocket while 1: # 接收消息 msg = user_socket.receive() print(msg) try: user_socket.send(msg) except: return '123' @app.route('/') def index(): return render_template("many_person.html") if __name__ == '__main__': http_server = WSGIServer(("0.0.0.0", 7000), app, handler_class=WebSocketHandler) http_server.serve_forever()
    many_person.html
    
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    
    
    </body>
    <script type="application/javascript">
    
        var ws = new WebSocket("ws://127.0.0.1:7000/ws");
      {#通过onopen函数向服务端发送消息#} ws.onopen
    = function(){ ws.send("hello") }; ws.onmessage = function (ws_status) { console.log(ws_status.data) } </script> </html>
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  • 原文地址:https://www.cnblogs.com/xiao-xue-di/p/10157048.html
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