hainan/app/Admin/Controllers/SupplierController.php

<?php

namespace App\Admin\Controllers;

use App\Admin\Extensions\Grid\AuditSupplier;
use App\Admin\Repositories\Supplier;
use App\Common\UserStatus;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;
use Illuminate\Support\Facades\Route;

class SupplierController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new Supplier(), function (Grid $grid) {
			$grid->disableDeleteButton();

			//如果是审核页面，多加where条件判断
			if (strpos(Route::current()->uri, 'audit')) {
				$grid->model()->where('status', UserStatus::UNAUDITED);
			}

            $grid->column('id')->sortable();
            $grid->column('username');
            $grid->column('name');
            $grid->column('company_name');
            $grid->column('logo')->image(60, 60);
            $grid->column('address');
            $grid->column('license_pic');
            $grid->column('director');
            $grid->column('contact_phone');
            $grid->column('created_at');
            $grid->column('updated_at');

			$grid->column('status', '状态')
				->if(fn() => $this->status == UserStatus::UNAUDITED)
				->display('')
				->then(function ($column) {
					$column->append((new AuditSupplier(null, 1))->setKey($this->id))->append('&nbsp;');
					$column->append((new AuditSupplier(null, 2))->setKey($this->id));
				})
				->else()
				->using(UserStatus::array())
				->dot([
					UserStatus::NORMAL => 'success',
					UserStatus::UNAUDITED => '',
					UserStatus::REFUSE => 'danger',
					UserStatus::DISABLED => 'warning',
				], 'primary');

            $grid->filter(function ($filter) {
				$filter->panel();

                $filter->equal('id')->width(2);
				$filter->like('name')->width(3);
				$filter->equal('status', '用户状态')->select(UserStatus::array())->width(2);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new Supplier(), function (Show $show) {
			$show->disableDeleteButton();

            $show->field('id');
            $show->field('username');
            $show->field('name');
            $show->field('company_name');
            $show->field('logo')->image(60, 60);
            $show->field('address');
            $show->field('license_pic')->image(60, 60);
            $show->field('director');
            $show->field('contact_phone');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Supplier(), function (Form $form) {
			$form->disableDeleteButton();

            $form->display('id');
            //账号只允许新增，不允许编辑
			if ($form->isCreating()) {
				$form->text('username')->required();
				$form->text('password')->required();
			}
			else if ($form->isEditing()) {
				$form->display('username');
				$form->text('password')->customFormat(fn() => '');
			}
            $form->text('name')->required();
			$form->select('status', '状态')
				->options(UserStatus::array())
				->default(UserStatus::NORMAL)
				->required();
            $form->text('company_name');
            $form->image('logo');
            $form->text('address');
            $form->image('license_pic');
            $form->text('director');
            $form->mobile('contact_phone');
        })->saving(function (Form $form) {
			//判断账号是否唯一
			if ($form->isCreating()) {
				if ($form->repository()->model()->where('username', $form->username)->exists()) {
					return $form->response()->error($form->username . ' 的账号已经存在');
				}
			}

        	//不允许编辑的字段
			if ($form->isEditing()) {
				$form->ignore(['id', 'username', 'created_at', 'created_at', 'deleted_at', 'deleted_at']);
			}

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