hainan/app/AdminAgent/Controllers/IndustryOrderController.php

<?php

namespace App\AdminAgent\Controllers;

use App\AdminAgent\Repositories\IndustryOrder;
use App\Common\OrderStatus;
use App\Common\PayType;
use App\Common\ProductStatus;
use App\Models\IndustryProduct;
use App\Models\SystemSetting;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;

class IndustryOrderController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new IndustryOrder(['supplier:id,name,contact_phone']), function (Grid $grid) {
			$grid->disableRowSelector();
			$grid->disableCreateButton();
			$grid->disableActions();

            $grid->column('id')->sortable();
            $grid->column('supplier.name', '供应商');
            $grid->column('supplier.contact_phone', '供应商电话');
            $grid->column('order_no')->limit(10);
            $grid->column('num');
            $grid->column('price');
            $grid->column('name', '预留姓名');
            $grid->column('mobile', '预留手机');
            $grid->column('title');
            $grid->column('picture')->image('', 80, 80);
            $grid->column('status')->using(OrderStatus::array());
            $grid->column('paid_at', '订单确认时间');
            $grid->column('created_at');

            $grid->filter(function (Grid\Filter $filter) {
                $filter->equal('id')->width(2);
                $filter->equal('order_no')->width(3);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
       /* return Show::make($id, new IndustryOrder(), function (Show $show) {
            $show->field('id');
            $show->field('supplier_id');
            $show->field('agent_id');
            $show->field('order_no');
            $show->field('num');
            $show->field('price');
            $show->field('name');
            $show->field('mobile');
            $show->field('title');
            $show->field('picture')->image('', 80, 80);
            $show->field('status');
            $show->field('pay_type');
            $show->field('paid_at');
            $show->field('verify_code');
            $show->field('timeout');
            $show->field('created_at');
            $show->field('updated_at');
        });*/
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
		$pid = request()->input('pid');
		$industry = IndustryProduct::where([
			['status', '=', ProductStatus::ON_SALE],
			['stock', '>', 0],
		])->find($pid);

        return Form::make(new IndustryOrder(), function (Form $form) use ($industry) {
			if (!$industry) {
				Admin::exit('产品已下架或库存不足');
			}

			$form->hidden('pid')->value($industry->id); //pid要跟上面的request中的一样，否则提交出错
            $form->number('num')
				->min($industry->min_sale)->required()
				->default($industry->min_sale);
            $form->text('name')->default(Admin::user()->director)->required();
            $form->mobile('mobile')->default(Admin::user()->contact_phone)->required();

			$form->divider();
			$form->text('', '购买产品')->default($industry->title)->disable();
			$form->text('', '单价')->default($industry->price)->disable();
			$form->text('', '库存')->default($industry->stock)->disable();
			$form->text('', '涉及用户数')->default($industry->service_persons)->disable();
			$form->text('', '起购数量')->default($industry->min_sale)->disable();
			$form->image('picture', '产品图')->default($industry->pictures)->disable();
        })->saving(function (Form $form) use ($industry) {
        	//禁止编辑
        	if ($form->isEditing()) {
				return $form->response()->error('操作禁止');
			}

			//判断最小起购数
			if ($form->num < $industry->min_sale) {
				return $form->response()->error('购买数量不能小于最低起购数：' . $industry->min_sale);
			}

        	//判断产品状态和库存
			if (!$industry || $industry->status != ProductStatus::ON_SALE || $industry->stock < $form->num) {
				return $form->response()->error('产品已下架或库存不足');
			}

			//生成订单号
			list($micro, $sec) = explode(' ', microtime());
			$micro = str_pad(floor($micro * 1000000), 6, 0, STR_PAD_LEFT);
			$order_no = date('ymdHis', $sec) . $micro . mt_rand(1000, 9999);

			$form->deleteInput(['pid', 'picture']);

			$form->hidden(['industry_product_id', 'supplier_id', 'agent_id', 'order_no', 'price', 'title', 'picture', 'status', 'pay_type', 'paid_at', 'verify_code', 'timeout']);

			$form->name = $form->name ?? Admin::user()->director;
			$form->mobile = $form->mobile ?? Admin::user()->contact_phone;

			$form->industry_product_id = $industry->id;
			$form->supplier_id = $industry->supplier_id;
			$form->agent_id = Admin::user()->id;
			$form->order_no = $order_no;
			$form->price = $form->num * $industry->price;
			$form->title = $industry->title;
			$form->picture = $industry->pictures[0] ?? '' ;
			$form->status = OrderStatus::OFFLINE_UNPAID;
			$form->pay_type = PayType::OFFLINE;
			$form->paid_at = null;
			$form->verify_code = '';
			$form->deposit = SystemSetting::val('single', 'price') * $form->num * $industry->service_persons;
			$form->timeout = null;
		})->saved(function (Form $form) {
			return $form->response()->success('下单成功，请等待供应商审核订单')->script('history.go(-1)');
		})->deleting(function (Form $form) {
			return $form->response()->error('操作禁止');
		});
    }
}