lianjie_admin/app/Admin/Forms/v3/CouponTimeForm.php

<?php

namespace App\Admin\Forms\v3;

use App\Models\v3\GoodsBanners;
use Dcat\Admin\Widgets\Form;
use Symfony\Component\HttpFoundation\Response;
use App\Models\v3\CouponReceiveType as ReceiveTypeModel;
use App\Models\v3\CouponSetting as SettingModel;
use App\Models\v3\Coupon as CouponModel;
use Dcat\Admin\Contracts\LazyRenderable;
use Dcat\Admin\Traits\LazyWidget;

class CouponTimeForm extends Form implements LazyRenderable
{
    use LazyWidget;
    /**
     * Handle the form request.
     *
     * @param array $input
     *
     * @return Response
     */
    public function handle(array $input)
    {
        // 获取外部传递参数
        $id = $input['id'];

        $start_time = $input['start_time'] ?? '';
        $end_time = $input['end_time'] ?? '';
        $usable_start_time = $input['usable_start_time'] ?? '';
        $usable_end_time = $input['usable_end_time'] ?? '';

        $coupon = CouponModel::find($id);
        if(!$coupon){
            return $this->error('优惠券不存在或已删除！');
        }
        
        switch($coupon->status){
            case 0:
            case 1:  
            case 3:
                $coupon->start_time = $start_time;
                $coupon->end_time = $end_time;
                $coupon->usable_start_time = $usable_start_time;
                $coupon->usable_end_time = $usable_end_time;
                if($coupon->save()){
                    return $this->success('修改成功','/coupon');
                }
            break;
            case 2:
                return $this->error('优惠券已领完！');
            break;
            case -1:
                return $this->error('优惠券已删除！');
            break;
        }
        return $this->error('发布失败！');
    }

    /**
     * Build a form here.
     */
    public function form()
    {
        $id = $this->payload['id'] ?? 0;
        $title = $this->payload['title'] ?? '';
        $status = $this->payload['status'] ?? -1;

        $start_time = $this->payload['start_time'] ?? '';
        $end_time = $this->payload['end_time'] ?? '';
        $usable_start_time = $this->payload['usable_start_time'] ?? '';
        $usable_end_time = $this->payload['usable_end_time'] ?? '';

        $this->hidden('id')->value($id);
        $this->display('title','标题')->value($title);

        $this->datetime('start_time','活动开始时间')->required()
            ->customFormat(function () use($start_time){
                return date('Y-m-d H:i:s',$start_time);
            });

        $this->datetime('end_time','活动结束时间')->required()
            ->customFormat(function () use($end_time){
                return date('Y-m-d H:i:s',$end_time);
            })
            ->rules('after:start_time',[
                'after' => '只能选择活动开始之后的时间'
            ]);
        $this->datetime('usable_start_time','可用开始时间')->required()
            ->customFormat(function () use($usable_start_time){
                return date('Y-m-d H:i:s',$usable_start_time);
            });
        $this->datetime('usable_end_time','可用结束时间')->required()
            ->customFormat(function () use($usable_end_time){
                return date('Y-m-d H:i:s',$usable_end_time);
            })
            ->rules('after:end_time',[
                'after' => '只能选择活动结束之后的时间'
            ]);
    }

    /**
     * The data of the form.
     *
     * @return array
     */
    public function default()
    {
        return [];
    }

}