Cp7Chat/chat.html at master · Coolpy7/Cp7Chat · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="./css/style.css">
    <script src='https://cdn.bootcss.com/jquery/2.2.4/jquery.min.js'></script>
    <script src='./js/jquery.mCustomScrollbar.concat.min.js'></script>
    <script src="./js/paho-mqtt.js" type="text/javascript"></script>
    <link rel='stylesheet prefetch' href='https://fonts.googleapis.com/css?family=Open+Sans'>
    <link rel='stylesheet prefetch' href='./js/jquery.mCustomScrollbar.min.css'>
    <title>Coolpy7ChatDemo</title>
</head>

<body>
<div class="chat">
    <div class="chat-title">
        <h1>Coolpy 7</h1>
        <h2>Coolpy.net</h2>
        <figure class="avatar">
            <img src="assets/coolgirl.jpg"/>
        </figure>
    </div>
    <div class="messages">
        <div class="messages-content"></div>
    </div>
    <div class="message-box">
        <textarea type="text" class="message-input" placeholder="Type message..."></textarea>
        <button type="submit" class="message-submit">Send</button>
    </div>
</div>
<div class="bg"></div>
<script src="./js/chat.js"></script>
<script>
    function getParameterByName(name, url) {
        if (!url) url = window.location.href;
        name = name.replace(/[\[\]]/g, "\\$&");
        var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
                results = regex.exec(url);
        if (!results) return null;
        if (!results[2]) return '';
        return decodeURIComponent(results[2].replace(/\+/g, " "));
    }

    var uid = getParameterByName('uid');
    if (uid.length < 1) {
        window.location.href = '/';
    }

    $(document).ready(function () {
        var topic = "coolpy/chatroom";
        // Create a client instance
        client = new Paho.Client("127.0.0.1", Number(8083), "/", uid);
        // set callback handlers
        client.onConnectionLost = onConnectionLost;
        client.onMessageArrived = onMessageArrived;
        client.onConnected = function () {
            message = new Paho.Message(JSON.stringify({"uid": uid, "cmd": "add"}));
            message.destinationName = topic;
            client.send(message);
        };

        // called when the client connects
        function onConnect() {
            client.subscribe(topic, {qos: 0});
        }

        // called when the client loses its connection
        function onConnectionLost(responseObject) {
            if (responseObject.errorCode !== 0) {
                console.log("onConnectionLost:" + responseObject.errorMessage);
            }
        }

        // called when a message arrives
        function onMessageArrived(message) {
            var m = JSON.parse(message.payloadString);
            if (m.cmd === "add") {
                fakeMessage(m.uid + "进入聊天室。。。")
            }
            if (m.cmd === "msg") {
                if (m.uid !== uid) {
                    fakeMessage(m.msg)
                } else {
                    insertMessage(m.msg)
                }
            }
        }

        function connect() {
            // connect the client
            client.connect({
                onSuccess: onConnect,
                cleanSession: true,
                useSSL: false,
                keepAliveInterval: 60
            });
        }

        connect();

        /**
         * @return {boolean}
         */
        function Send(msg) {
            msg = $('.message-input').val();
            if ($.trim(msg) === '') {
                return false;
            }
            $('.message-input').val(null);
            message = new Paho.Message(JSON.stringify({"uid": uid, "cmd": "msg", "msg": msg}));
            message.destinationName = topic;
            message.qos = 0;
            client.send(message);
        }

        $('.message-submit').click(function () {
            Send()
        });

        $(window).on('keydown', function (e) {
            if (e.which === 13) {
                Send();
                return false;
            }
        });
    });

</script>
</body>
</html>