hainan/app/Admin/Controllers/ProductController.php

<?php

namespace App\Admin\Controllers;

use App\Admin\Extensions\Grid\AuditProduct;
use App\Admin\Repositories\Product;
use App\Common\ProductStatus;
use App\Common\UserStatus;
use App\Models\Category;
use App\Models\Supplier;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;
use Illuminate\Support\Facades\Route;

class ProductController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new Product(['supplier:id,name', 'category:id,name']), function (Grid $grid) {
			$grid->disableCreateButton();
			//如果是审核页面，多加where条件判断
			if (strpos(Route::current()->uri, 'audit')) {
				$grid->model()->where('status', ProductStatus::UNAUDITED);
			}

			$grid->column('id')->sortable();
			$grid->column('category.name', '分类');
            $grid->column('picture')->image(60, 60);
			$grid->column('title');
			$grid->column('original_price');
            $grid->column('price');
            $grid->column('sale');
            $grid->column('stock');
			$grid->column('supplier.name', '供应商');
			$grid->column('status')
				->if(fn() => $this->status == ProductStatus::UNAUDITED)
				->display('')
				->then(function ($column) {
					$column->append((new AuditProduct(null, 1))->setKey($this->id))->append('&nbsp;');
					$column->append((new AuditProduct(null, 2))->setKey($this->id));
				})
				->else()
				->using(ProductStatus::array())
				->dot([
					ProductStatus::ON_SALE => 'success',
					ProductStatus::UNAUDITED => '',
					ProductStatus::REFUSE => 'danger',
					ProductStatus::SOLD_OUT => 'warning',
				], 'primary');
            $grid->column('created_at');
            $grid->column('updated_at');

            $grid->filter(function (Grid\Filter $filter) {
				$filter->panel();

                $filter->equal('id')->width(2);
				$filter->like('title')->width(3);
				$filter->equal('status')->select(ProductStatus::array())->width(2);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new Product(['supplier:id,name', 'category:id,name']), function (Show $show) {
            $show->field('id');
            $show->field('category.name', '所属分类');
			$show->field('title');
			$show->field('pictures')->image(80, 80);
            $show->field('original_price');
            $show->field('price');
            $show->field('sale');
            $show->field('stock');
			$show->field('status')->using(ProductStatus::array());
            $show->field('supplier.name', '供应商');
			$show->field('know')->unescape()->as(fn($v) => preg_replace('/<script.*?>.*?<\/script>/is', '', $v));
			$show->field('content')->unescape()->as(fn($v) => preg_replace('/<script.*?>.*?<\/script>/is', '', $v));
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Product(), function (Form $form) {
            $form->display('id');

			$options = Category::selectOptions(fn($query) => $query->where('agent_id', 0));
			$form->select('category_id', '所属分类')
				->options(array_slice($options, 1))
				->required();
			$form->text('title')->required();
			$form->multipleImage('pictures')->required();
            $form->text('original_price')->required();
            $form->text('price')->required();
            $form->text('sale')->default(0);
            $form->text('stock')->default(9999)->required();
			$form->select('status')
				->options(ProductStatus::array())
				->default(ProductStatus::ON_SALE)
				->required();
			$form->select('supplier_id', '供应商')
				->options(Supplier::where('status', UserStatus::NORMAL)->pluck('name', 'id'))
				->required();
			$form->editor('know');
			$form->editor('content');
        })->saving(function (Form $form) {
			//不允许编辑的字段
			if ($form->isEditing()) {
				$form->ignore(['id', 'created_at', 'updated_at', 'deleted_at']);
			}

			//特殊字段处理
			$form->sale = $form->sale ?? 0;

			//过滤null字段
			foreach ($form->input() as $k => $v) {
				if (is_null($v)) {
					$form->$k = '';
				}
			}
		});
    }
}