socket-example/index.html at master · kinghaki/socket-example · GitHub

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    body {
        padding: 50px;
        font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
    }

    a {
        color: #00B7FF;
    }

    .chats {
        padding: 10px 5px;
        height: 200px;
        width: 500px;
        background: #eee;
        overflow-y: scroll;
    }

    .chats .chat {
        display: flex;
        margin: 5px 0;
    }

    .chats .chat .group {
        display: inherit;
        word-wrap: normal;
    }

    .chats .chat .group .name {
        padding: 0 10px;
        font-weight: bold;
    }

    .chats .chat .time {
        padding-left: 10px;
        font-size: 10px;
        line-height: 18px;
        color: #aaa;
    }

    .message {
        margin-top: 10px;
    }

    .message input {
        padding: 0 5px;
        height: 25px;
        width: 300px;
    }

    .message input:first-child {
        width: 80px;
    }

    .message button {
        height: 32px;
        width: 100px;
    }
</style>

<body>

    <div class="chats">
        <div class="chat">
            <div class="group">
                <div class="name">Robby：</div>
                <div class="msg">Hi~</div>
            </div>
            <div class="time">11分鐘前</div>
        </div>
        <div class="chat">
            <div class="group">
                <div class="name">Robby：</div>
                <div class="msg">Hola~</div>
            </div>
            <div class="time">10分鐘前</div>
        </div>
    </div>
    <div class="message">
        <input id="name" type="text" placeholder="your name" />
        <input id="msg" type="text" placeholder="input the message" />
        <button type="button">送出</button>
    </div>

    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.3.0/socket.io.js"></script>
    <script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.20.1/moment.js'></script>
    <script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.20.1/locale/zh-tw.js'></script>
    <script>
        function Send() {

            let name = document.querySelector('#name').value;
            let msg = document.querySelector('#msg').value;
            if (!msg && !name) {
                alert('請輸入大名和訊息');
                return;
            }
            let data = {
                name: name,
                msg: msg,
            };
            socket.emit('message', data);
            document.querySelector('#msg').value = '';
        }
        document.querySelector('button').addEventListener('click', () => {
            Send();
        });
        function appendData(obj) {

            let el = document.querySelector('.chats');
            let html = el.innerHTML;

            obj.forEach(element => {
                html +=
                    `
        <div class="chat">
            <div class="group">
                <div class="name">${element.name}：</div>
                <div class="msg">${element.msg}</div>
            </div>
            <div class="time">${moment(element.time).fromNow()}</div>
        </div>
        `;
            });
            el.innerHTML = html.trim();
        }

    </script>
    <script src='./socket.js'></script>
</body>

</html>