{eyou:guestbookform type='default'}
    <form method="POST" enctype="multipart/form-data" action="{$field.action}">
        <!-- 此处省略其他表单代码 -->
        <div class='form-group'>
            <textarea name="{$field.attr_1}" id="attr_1" placeholder='{$field.itemname_1}'></textarea>
        </div>
        <!-- 此处省略其他表单代码 -->
 
        <!-- 验证码开始 -->
        {eyou:notempty name='$field.IsVertify'}
            <div>
                <input type="text" name="vertify" autocomplete="off" placeholder="图片验证码"/>
                <img {$field.VertifyData} title="看不清？点击更换验证码" style="margin-left: 2px;width: 80px;height: 35px;" />
                看不清？<a href="javascript:void(0);" id="a_vertify" {$field.VertifyData}>点击更换</a>
            </div>
        {/eyou:notempty}
        <!-- 验证码结束 -->

        <!-- 此处省略其他表单代码 -->
        <div class="form-group m-b-0">
            <button type="submit" >提交<button>
        </div>
        {$field.hidden}
    </form>
{/eyou:guestbookform}