firstsy/application/store/view/coupon/form.html

<form onsubmit="return false;" action="{:request()->url()}" data-auto="true" method="post" class='layui-form layui-card' autocomplete="off">
    <div class="layui-card-body">

        <div class="layui-form-item">
            <label class="layui-col-xs2 think-form-label">名称：</label>
            <label class="layui-col-xs10">
                <input  name="title" value='{$vo.title|default=""}' placeholder="" class="layui-input">
            </label>
        </div>

        <div class="layui-form-item">
            <label class="layui-col-xs2 think-form-label">消费限制：</label>
            <div class="layui-input-block">
                <div class="layui-input-inline"   style="width: 70%" >
                    <input  name="low_amount"   min="0" type="number" value='{$vo.low_amount|default=""}' placeholder="" class="layui-input">
                </div>
                <div class="layui-form-mid layui-word-aux">消费满多少可用</div>
            </div>
        </div>

        <div class="layui-form-item">
            <label class="layui-col-xs2 think-form-label">券值：</label>
            <label class="layui-col-xs10">
                <input  name="amount"  value='{$vo.amount|default=""}' placeholder="" class="layui-input">
            </label>
        </div>

        <div class="layui-form-item">
            <label class="layui-col-xs2 think-form-label">领取次数：</label>
            <div class="layui-input-block">
                <div class="layui-input-inline"   style="width: 70%" >
                    <input  name="user_num"   min="0" step = '1' type="number" value='{$vo.user_num|default=""}' placeholder="" class="layui-input">
                </div>
                <div class="layui-form-mid layui-word-aux">会员最多领取数量</div>
            </div>
        </div>
        <div class="layui-form-item">
            <label class="layui-col-xs2 think-form-label">有效期：</label>
            <div class="layui-input-block">
                <div class="layui-input-inline"   style="width: 70%" >
                    <input  name="low_day"  min="0" step = '1' type="number" value='{$vo.low_day|default=""}' placeholder="" class="layui-input">
                </div>
                <div class="layui-form-mid layui-word-aux">会员领取后多少天内使用</div>
            </div>
        </div>

    </div>

    <div class="hr-line-dashed"></div>
    <div class="layui-form-item text-center">
        {notempty name='vo.id'}<input type='hidden' value='{$vo.id}' name='id'>{/notempty}
        <button class="layui-btn" type='submit'>提交</button>
        <button class="layui-btn layui-btn-danger" type='button' data-close>取消</button>
    </div>
</form>
<script>
    window.form.render();
</script>