(转载非原创)Laravel表单验证类的手动启用方式

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class ArticleRequest extends FormRequest
{

    public function authorize()
    {
        return true;
    }

    public function rules()
    {
        return [
           'title' => 'required|unique:posts|max:255',
            'body' => 'required',
        ];
    }

    public function messages()
    {
        return [
            'title.required'    => '标题必填',
            'title.unique'      => '标题已存在',
            'title.max'         => '标题长度不能超过:max',
            ‘body.required’     => '内容必填',
        ];
    }
}

    use App\Http\Requests\ArticleRequest;

    class ArticleController extends Controller
    {
        public function create(Request $request)
        {
            return view('article.create');
        }
        public function store(ArticleRequest $request)
        {
            //如进入到这里说明参数验证通过，可以继续添加操作
            ...
        }
    }

    class ArticleController extends Controller
    {
        public function create(Request $request)
        {
            if ($request->ajax() && $request->isMethod('POST')) {
                //添加保存逻辑
                //手动启用表单验证类
                $validator = app('App\Http\Requests\ArticleRequest');
            }
            
            //添加展示页面
            return view('article.create');
        }
    }