jiqu-library-server/app/Admin/Controllers/ArticleController.php

<?php

namespace App\Admin\Controllers;

use App\Admin\Repositories\Article;
use App\Models\ArticleCategory;
use Carbon\Carbon;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Grid\Column;
use Dcat\Admin\Http\Controllers\AdminController;
use Dcat\Admin\Show;

class ArticleController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $builder = Article::with('category');
        return Grid::make($builder, function (Grid $grid) {
            $grid->column('id')->sortable();
            $grid->column('title');
            $grid->column('category.name')->label();
            // $grid->column('author_name');
            $grid->column('subtitle')->limit(20);
            $grid->column('cover')->images(100, 100);
            $grid->column('jump_type')->using([
                '0'=>__('admin_message.article.jump_type.radio.0'),
                '1'=>__('admin_message.article.jump_type.radio.1'),
                '2'=>__('admin_message.article.jump_type.radio.2'),
            ])->label();
            $grid->column('jump_link');
            $grid->column('is_show')
                ->if(function () {
                    return Admin::user()->can('dcat.admin.articles.edit');
                })
                ->then(function (Column $column) {
                    $column->switch();
                })
                ->else(function (Column $column) {
                    $column->bool();
                });
            $grid->column('is_recommend')
                ->if(function () {
                    return Admin::user()->can('dcat.admin.articles.edit');
                })
                ->then(function (Column $column) {
                    $column->switch();
                })
                ->else(function (Column $column) {
                    $column->bool();
                });
            $grid->column('created_at')->sortable();

            //排序
            $grid->model()->orderBy('created_at', 'desc');

            /** 操作 **/
            //新增
            if (Admin::user()->can('dcat.admin.articles.create')) {
                $grid->disableCreateButton(false);
                // $grid->enableDialogCreate();
            }

            //删除以及自定义操作
            $grid->actions(function (Grid\Displayers\Actions $actions) {
                $actions->disableDelete(Admin::user()->cannot('dcat.admin.articles.destroy'));
                //修改
                $actions->disableEdit(Admin::user()->cannot('dcat.admin.articles.edit'));
            });

            /** 查询 **/
            $grid->filter(function (Grid\Filter $filter) {
                $filter->panel();
                $filter->where('category', function ($query) {
                    $query->whereIn('category_id', ArticleCategory::descendantsAndSelf($this->input, ['id'])->pluck('id'));
                }, __('article.fields.category.name'))->select(ArticleCategory::selectOptions())->width(3);
                $filter->like('title')->width(3);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new Article(), function (Show $show) {
            $show->field('id');
            $show->field('category_id');
            $show->field('title');
            $show->field('author_name');
            $show->field('subtitle');
            $show->field('cover');
            $show->field('content');
            $show->field('jump_type');
            $show->field('jump_link');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Article(), function (Form $form) {
            $form->display('id');
            $form->select('category_id')->options(ArticleCategory::selectOptions());
            $form->text('title')->required();
            // $form->text('author_name');
            $form->text('subtitle');
            $form->image('cover')
                ->move('articles/'.Carbon::now()->toDateString())
                ->saveFullUrl()
                ->removable(false)
                ->autoUpload();
            $form->editor('content');
            $form->radio('jump_type')->options([
                '0'=>__('admin_message.article.jump_type.radio.0'),
                '1'=>__('admin_message.article.jump_type.radio.1'),
                '2'=>__('admin_message.article.jump_type.radio.2'),
            ])->default(0);
            $form->text('jump_link');
            $form->switch('is_show');
            $form->switch('is_recommend');
            $form->number('sort')->default(0);

            $form->display('created_at');
            $form->display('updated_at');
        });
    }
}