dcat example

    <?php
    namespace App\Admin\Controllers;
    use App\Admin\Metrics\Examples\NewDevices;
    use App\Admin\Metrics\Examples\NewUsers;
    use App\Admin\Metrics\Examples\TotalUsers;
    use App\Admin\Renderable\PostTable;
    use App\Admin\Renderable\UserTable;
    use Dcat\Admin\Grid;
    use Dcat\Admin\Layout\Content;
    use Dcat\Admin\Layout\Row;
    use Dcat\Admin\Models\Administrator;
    use Faker\Factory;
    use Illuminate\Routing\Controller;
    class GridController extends Controller
    {
        use PreviewCode;
        public function index(Content $content)
        {
            return $content
                ->header('表格')
                ->description('表格功能展示')
                ->body(function (Row $row) {
                    $row->column(4, new TotalUsers());
                    $row->column(4, new NewUsers());
                    $row->column(4, new NewDevices());
                })
                ->body($this->grid());
        }
        protected function grid()
        {
            return new Grid(null, function (Grid $grid) {
                $grid->column('id')->code()->sortable();
                $grid->column('label')->explode()->label();
                $grid->column('progressBar')->progressBar()->sortable();
                $grid->column('expand')
                    ->display(Factory::create()->name)
                    ->expand(PostTable::make());
                $grid->column('select')->select(['GET', 'POST', 'PUT', 'DELETE']);
                $grid->column('switch')->switch();
                $grid->column('switchGroup', 'Switch Group')
                    ->if(function () {
                        return $this->id != mt_rand(3, 5);
                    })
                    ->switchGroup(['is_new', 'is_hot', 'published'])
                    ->else()
                    ->display('<i>None</i>');
                $grid->column('checkbox')->checkbox(['GET', 'POST', 'PUT', 'DELETE']);
                $grid->column('radio')
                    ->if(function () {
                        return $this->id != mt_rand(3, 5);
                    })
                    ->radio(['PHP', 'JAVA', 'GO', 'C'])
                    ->else()
                    ->display('<i>None</i>');
                $grid->disableCreateButton();
                $grid->disableActions();
                $grid->disableBatchDelete();
                $grid->disablePagination();
                // 设置表格数据
                $grid->model()->setData($this->generate());
                $grid->tools(function (Grid\Tools $tools) {
                    $tools->append($this->buildPreviewButton());
                });
                // 过滤器
                $grid->filter(function (Grid\Filter $filter) {
                    $group = function (Grid\Filter\Group $group) {
                        $group->equal('等于');
                        $group->gt('大于');
                        $group->lt('小于');
                        $group->nlt('大于等于');
                        $group->ngt('小于等于');
                        $group->like('包含');
                        $group->startWith('包含（起始）');
                        $group->endWith('包含（结束）');
                        $group->match('正则');
                    };
                    $filter->group('id', $group)->width('350px');
                    $filter->group('date', $group)->date()->width('350px');
                    $filter->equal('select')->select(range(1, 10));
                    $filter->in('multiple', 'Multiple Select')->multipleSelect(range(1, 10));
                    $filter->between('between', 'Between')->datetime();
                    $options = function ($keys) {
                        if (!$keys) return $keys;
                        $userModel = config('admin.database.users_model');
                        return $userModel::findOrFail($keys)->pluck('name', 'id');
                    };
                    $filter->equal('user', 'User')
                        ->selectTable(UserTable::make())
                        ->title('User')
                        ->model(Administrator::class)
                        ->width('300px');
                });
            });
        }
        public function update()
        {
            return [
                'status' => true,
                'message' => '修改成功',
            ];
        }
        /**
         * 生成假数据
         *
         * @return array
         */
        public function generate() {
            $faker = Factory::create();
            $data = [];
            for ($i = 0; $i < 5; $i++) {
                $data[] = [
                    'id' => $i+1,
                    'label' => str_repeat($faker->name().',', mt_rand(1, 2)),
                    'progressBar' => mt_rand(1, 100),
                    'switch' => mt_rand(0, 1),
                    'editable' => mt_rand(0, 14),
                    'checkbox' => value(function () use ($faker) {
                        $values = [];
                        for ($i = 0; $i < mt_rand(1, 4); $i++) {
                            $values[] = mt_rand(0, 3);
                        }
                        return join(',', $values);
                    }),
                    'radio' => mt_rand(0, 3),
                    'is_new' => mt_rand(0, 1),
                    'is_hot' => mt_rand(0, 1),
                    'published' => mt_rand(0, 1),
                ];
            }
            return $data;
        }
        /**
         * 生成假数据
         *
         * @return array
         */
        protected function genernateNames()
        {
            $faker = Factory::create();
            $data = [];
            for ($i = 0; $i < 15; $i++) {
                $data[] = $faker->name;
            }
            return $data;
        }
    }