html5 表格的标题

    <div>
        <table border="1" width='200' height='200' cellspacing='0' cellpadding='0' align='center'>

   <caption>

                <h2>表格的标题</h2>

            </caption>

            <tr>
                <th>用户名</th>
                <th>头像</th>
                <th>openid</th>
            </tr>
            <tr>
                <td>易先生</td>
                <td>1.jpg</td>
                <td>1</td>
            </tr>
            <tr>
                <td>张先生</td>
                <td>2.jpg</td>
                <td>2</td>
            </tr>
        </table>
    </div>