lcly-data-admin/app/Admin/Controllers/CropYieldController.php

<?php

namespace App\Admin\Controllers;

use App\Models\Crop;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Admin;
use App\Models\CropYield;
use App\Models\AgriculturalBase;
use Dcat\Admin\Http\Controllers\AdminController;

class CropYieldController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $builder = CropYield::with(['base', 'crop', 'createdBy', 'updatedBy']);
        return Grid::make($builder, function (Grid $grid) {
            $grid->column('id')->sortable();
            $grid->column('base.name', '区域')->label();
            $grid->column('crop.name', '农作物');
            $grid->column('time_year')->append('年');
            $grid->column('quarter')->display(function($v){
                return '第'.$v.'季度';
            });
            $grid->column('yield')->display(function($v){
                return $v.$this->crop?->unit ?? '';
            });
            $grid->column('cultivated');
            $grid->column('output');
            $grid->column('createdBy.name', '录入人');
            $grid->column('updatedBy.name', '更新人');
            $grid->column('created_at')->sortable();

            $grid->model()->orderBy('time_year', 'desc')->orderBy('quarter', 'asc');

            $grid->showCreateButton(! config('admin.permission.enable') || Admin::user()->can('dcat.admin.crop_yields.create'));
            $grid->showQuickEditButton(! config('admin.permission.enable') || Admin::user()->can('dcat.admin.crop_yields.edit'));
            $grid->showDeleteButton(! config('admin.permission.enable') || Admin::user()->can('dcat.admin.crop_yields.destroy'));

            $grid->filter(function (Grid\Filter $filter) {
                $filter->equal('base_id')->select(AgriculturalBase::all()->pluck('name', 'name'))->width(3);
                $filter->equal('crop_id')->select(Crop::where('is_end', 1)->pluck('name', 'id'))->width(3);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new CropYield(), function (Show $show) {
            $show->field('id');
            $show->field('base_id');
            $show->field('crop_id');
            $show->field('time_year');
            $show->field('quarter');
            $show->field('yield');
            $show->field('cultivated');
            $show->field('output');
            $show->field('created_by');
            $show->field('updated_by');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $builder = CropYield::with(['base', 'crop']);
        return Form::make($builder, function (Form $form) {
            $model = $form->model();

            $form->display('id');
            $form->select('base_id')->options(AgriculturalBase::all()->pluck('name', 'id'));
            $form->select('crop_id')->options(Crop::where('is_end', 1)->pluck('name', 'id'));

            $form->datetime('time_year')->format('YYYY')->required();
            $form->radio('quarter')->options([
                1=>'1季度',2=>'2季度',3=>'3季度',4=>'4季度',
            ])->default(1)->required();
            $form->currency('yield')->symbol($model->crop?->unit ?? '斤');

            Admin::script(
                <<<JS
                    let crop;
                    $('body').on('select2:select', 'select.field_crop_id', function(e){
                        let url_path = '/admin/api/crops/' + e.params.data.id
                        $.ajax({
                            type: 'get',
                            dataType: 'json',
                            url: url_path,
                            success: function(result){
                                crop = result.data;
                                $('input[name=yield]').parent().find('span.input-group-text').text(crop.unit);
                            }
                        });
                    });
                    JS
            );
            $form->cropExtends('extends', '扩展信息')->crop($model->crop)->listen('crop_id');

            $form->currency('cultivated')->symbol('亩')->default(0)->required()->saving(function ($v) {
                if ($v === null) {
                    $v = 0;
                }
                return $v;
            });
            $form->currency('output')->symbol('元')->default(0)->required()->saving(function ($v) {
                if ($v === null) {
                    $v = 0;
                }
                return $v;
            });
            // $form->text('created_by');
            // $form->text('updated_by');

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