tp5 for显示数据

        $post = input('post.');
        $arr = [];
        for ($i = 1; $i <= $post['count']; $i++) {
            $z = [];
            $z['quantity'] = $post["quantity_" . $i];
            $z['item_name'] = $post["item_name_" . $i];
            $z['amount'] = $post["amount_" . $i];
            $arr[$i] = $z;
        }

          $this->assign('arr', $arr);

PHP for循环显示数据

HTML代码

                                    
                                        {volist name="arr" id="vo" }
                                        <td class="invert">
                                        <div class="quantity">
                                            <div class="quantity-select">
                                                <div class="entry value-minus">&nbsp;</div>
                                                <div class="entry value">
                                                    <span>{$vo.quantity}</span>
                                                </div>
                                                <div class="entry value-plus active">&nbsp;</div>
                                            </div>
                                        </div>
                                    </td>
                                    <input type="hidden" value="{$vo.item_name}" name="zx[]">
                                    <td class="invert">{$vo.item_name}</td>
                                    <td class="invert">${$vo.amount}</td>
                                    {/volist}