wxgzh/app/Admin/Controllers/TrainDrillController.php

<?php
namespace App\Admin\Controllers;
use App\Admin\Controllers\RowAction\CustomAction;
use App\Models\MentalityDrill;
use App\Models\MentalityDrillCategory;
use Encore\Admin\Admin;
use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Show;
use Illuminate\Support\Facades\Log;

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

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $grid = new Grid(new MentalityDrill());

        $oneLevelData = MentalityDrillCategory::query()
            ->where(array("pid"=>0))
            ->select(array("id","name"))
            ->get()
            ->toArray();
        if (!empty($oneLevelData)){
            $oneLevelData = array_column($oneLevelData,"name","id");
        }
        $grid->column('id', __('Id'));
        $subjectData = MentalityDrillCategory::query()
            ->where(array("is_subject"=>MentalityDrillCategory::isSubjectYes))
            ->select(array("id","name"))
            ->get()
            ->toArray();
        if (!empty($subjectData)){
            $subjectData = array_column($subjectData,"name","id");
        }
        $grid->filter(function(\Encore\Admin\Grid\Filter $filter) use ($oneLevelData){
            // 在这里添加字段过滤器
            $filter->like('title', '标题');
            $filter->equal('category_id', '训练')->select(
                $oneLevelData
            );
            $filter->expand();
        });
        $grid->column('category_id', __('一级分类'))->display(function ($categoryId)  use ($oneLevelData,$subjectData){
            if ($categoryId > 0 && isset($oneLevelData[$categoryId])){
                return isset($subjectData[$categoryId]) ? $oneLevelData[$categoryId]." [课程]" : $oneLevelData[$categoryId];
            }
            return '';
        });
        $grid->column('two_category_id', __('二级分类'))->display(function ($twoCategoryId)  use ($oneLevelData){
            if ($twoCategoryId>0){
                $twoLevelData = MentalityDrillCategory::query()
                    ->where(array("id"=>$twoCategoryId))
                    ->select(array("id","name"))
                    ->first();
                if ($twoLevelData){
                    return  $twoLevelData->name;
                }
            }
            return '';
        });
        $grid->column('title', __('标题'));
        $grid->column('number_of_studies', __('学习次数'));
        $grid->column('rank', __('排序 越大越前'));

        $grid->column('rank', __('排序 越大越前'));
        $grid->column('created_at', __('创建时间'));
        $grid->column('updated_at', __('更新时间'));
        $grid->actions(function (Grid\Displayers\Actions $actions) use ($subjectData) {
            $categoryId = $actions->row->category_id;
            if (isset($subjectData[$categoryId])){
                $actions->add(new CustomAction(
                    "课程列表",
                    admin_url("/mentality_drill_subject")."?".
                    http_build_query(array("mentality_drills_id"=>$actions->row->id))
                ));
            }
           // 去掉删除
            $actions->disableDelete();
        });
        return $grid;
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     * @return Show
     */
    protected function detail($id)
    {
        $show = new Show(MentalityDrill::findOrFail($id));

        $show->field('id', __('Id'));
        $show->field('category_id', __('Category id'));
        $show->field('title', __('Title'));
        $show->field('subtitle', __('Subtitle'));
        $show->field('pic', __('Pic'));
        $show->field('content', __('Content'));
        $show->field('number_of_studies', __('Number of studies'));
        $show->field('rank', __('Rank'));
        $show->field('created_at', __('Created at'));
        $show->field('updated_at', __('Updated at'));
        $show->field('deleted_at', __('Deleted at'));

        return $show;
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $form = new Form(new MentalityDrill());
        Admin::script("
            $(document).ready(function() {
                    // 页面加载完毕后执行的代码
                    console.log('页面已加载完毕');
                     $('.category_id').trigger('change');
           });
        ");
        $oneLevelData = MentalityDrillCategory::query()
            ->where(array("pid"=>0))
            ->select(array("id","name"))
            ->get()
            ->toArray();
        if (!empty($oneLevelData)){
            $oneLevelData = array_column($oneLevelData,"name","id");
        }
        $form->select('category_id', '一级分类')
            ->options($oneLevelData)
            ->load('two_category_id', '/admin/lowerLevel')
            ->required();
        $form->select('two_category_id', '二级分类')->options([]);
        $form->text('title', __('标题'))->required();
        $form->text('subtitle', __('副标题'))->required();
        $form->image('pic', __('图片'))->removable()->uniqueName()->move('pics/'.date('Y').'/'.date('m'));
        $form->editor('content', __('内容'))->required();
        $form->number('number_of_studies', __('学习次数'))->default(0);
        $form->number('rank', __('排序 越大越前'))->default(0);
        $form->list('comment_tag', __('推荐标签'));
        return $form;
    }

}