wxgzh/app/Admin/Controllers/TrainCategoryController.php

<?php

namespace App\Admin\Controllers;
use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Show;
use App\Models\MentalityDrillCategory;
use Illuminate\Http\Request;

class TrainCategoryController extends AdminController
{
    /**
     * Title for current resource.
     *
     * @var string
     */
    protected $title = '心理训练 类别管理';

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $oneLevelData = MentalityDrillCategory::query()
            ->where(array("pid"=>0))
            ->select(array("id","name"))
            ->get()
            ->toArray();
        if (!empty($oneLevelData)){
            $oneLevelData = array_column($oneLevelData,"name","id");
            $oneLevelData[0] = "一级分类";
            ksort($oneLevelData);
        }
        $grid = new Grid(new MentalityDrillCategory);
        $grid->filter(function(\Encore\Admin\Grid\Filter $filter) use ($oneLevelData){
             // 在这里添加字段过滤器
             $filter->like('name', '分类名称');
             $filter->expand();
        });
        $grid->column('id', __('ID'))->sortable();
        $grid->column('name', __('分类名称'));
        $grid->column('rank', __('排序(越大越前)'));
        $grid->column('is_index', __('是否首页'))->display(function ($isIndex){
            return isset(MentalityDrillCategory::isIndexMap[$isIndex])
                ?
                MentalityDrillCategory::isIndexMap[$isIndex]
                :
                ""
                ;
        });
        $grid->column('pid', __('父级分类'))->display(function ($id) use ($grid,$oneLevelData){
            if ($id > 0){
                if (isset($oneLevelData[$id])){
                    return $oneLevelData[$id];
                }else {
                      $data =  MentalityDrillCategory::query()
                          ->newQuery()
                          ->where(array("id"=>$id))
                          ->select(array("id","name"))
                          ->first();
                      if (!empty($data)){
                          return $data->name;
                      }
                }
                return  "";
            }else{
                return  $oneLevelData[0];
            }
        });
        $grid->column('is_subject', __('是否开启课程'))->display(function ($isSubject){
            return isset(MentalityDrillCategory::isSubjectMap[$isSubject])
                ?
                MentalityDrillCategory::isSubjectMap[$isSubject]
                :
                ""
                ;
        });
        $grid->column('created_at', __('创建时间'));
        $grid->column('updated_at', __('更新时间'));
        $grid->actions(function (Grid\Displayers\Actions $actions){
            // 去掉删除
            $actions->disableDelete();
        });
        return $grid;
    }

    /**
     * Make a show builder.
     *
     * @param mixed   $id
     * @return Show
     */
    protected function detail($id)
    {
        $show = new Show(MentalityDrillCategory::findOrFail($id));
        $show->field('id', __('ID'));
        $show->field('name', __('分类名称'));
        $show->field('created_at', __('Created at'));
        $show->field('updated_at', __('Updated at'));
        return $show;
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $form = new Form(new MentalityDrillCategory);
        $oneLevelData = MentalityDrillCategory::query()
            ->where(array("pid"=>0))
            ->select(array("id","name"))
            ->get()
            ->toArray();
        if (!empty($oneLevelData)){
            $oneLevelData = array_column($oneLevelData,"name","id");
        }
        $form->display('id', __('ID'));
        $oneLevelData[0] = "一级分类";
        ksort($oneLevelData);
        $form->select('pid', __('父级分类'))->options($oneLevelData)->default(0);
        $form->text('name', __('分类名称'))->rules('required');
        $form->text('index_info', __('分类首页简介'));
        $form->image('index_pic', __('分类首页图片'));
        $form->image('pic', __('分类图片'))->uniqueName()->move('pics/'.date('Y').'/'.date('m'))->rules('required');
        $form->text('rank', __('排序(越大越前)'))->default(0);
        $form->radio("is_index","是否首页")
            ->options(MentalityDrillCategory::isIndexMap)
            ->default(MentalityDrillCategory::isIndexNo)
        ;
        $form->radio("is_subject","是否开启课程")
            ->options(MentalityDrillCategory::isSubjectMap)
            ->default(MentalityDrillCategory::isSubjectNo)
        ;
        $form->display('created_at', __('创建时间'));
        $form->display('updated_at', __('更新时间'));
        $form->tools(function (Form\Tools $tools){
            $tools->disableDelete();
        });
        return $form;
    }

    /**
     * 下级分类
     * @param Request $request
     * @return array
     */
    public function lowerLevel(Request $request)
    {
        $pid = $request->get("q",0);
        $oneLevelData = MentalityDrillCategory::query()
            ->where(array("pid"=>$pid))
            ->select(array("id","name as text"))
            ->get()
            ->toArray();
        return $oneLevelData;

    }
}