hainan/app/Admin/Controllers/DepositController.php

<?php

namespace App\Admin\Controllers;

use App\Admin\Repositories\Supplier;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Http\Controllers\AdminController;

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

			$grid->model()->where('id', '>', 1);

			$grid->column('id')->sortable();
			$grid->column('company_name', '供应商');
			$grid->column('trade_balance','交易金余额');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Supplier(), function (Form $form) {
			$form->decimal('trade_balance','交易金余额')->rules('required|numeric|min:0|not_in:0',[
				'*' => '金额为必填字段且必须大于0',
			]);
			$form->disableCreatingCheck();
			$form->disableViewButton();
			$form->disableDeleteButton();
			$form->disableListButton();
			$form->disableResetButton();
			$form->disableViewCheck();
			$form->disableEditingCheck();
		})->deleting(function (Form $form) {
			return $form->response()->error('操作禁止');
		});
    }
}