laravel 表单验证实现多个字段组合后唯一

/**
 * 保存一篇新的博客文章。
 *
 * @param Request $request
 * @return Response
 */
public function store(Request $request)
{
  $this->validate($request, [
    'title' => 'required|unique:posts|max:255',
    'body' => 'required',
  ]);

  // 文章内容是符合规则的，存入数据库
}

/**
 * 保存一篇新的博客文章。
 *
 * @param Request $request
 * @return Response
 */
public function store(Request $request)
{
  $rules = [
    'title' => 'required|unique:posts|max:255',
    'body' => 'required',
  ];
  $validator = Validator::make($request->all(), $rules);
  if ($validator->fails()) {
    return redirect('post/create')->withErrors($validator)->withInput();
  }

  // 文章内容是符合规则的，存入数据库
}

/**
 * 保存一篇新的博客文章。
 *
 * @param Request $request
 * @return Response
 */
public function store(Request $request)
{
  $rules = [
    'title' => 'required|unique:posts|max:255',
    'body' => 'required',
  ];
  $messages = [
    'title.required' => '请填写文章标题',
    'title.unique' => '文章标题不能重复',
    'title.max' => '文章标题不能超过255个字符',
    'body.required' => '请填写文章内容',
  ];
  $validator = Validator::make($request->all(), $rules, $messages);
  if ($validator->fails()) {
    return redirect('post/create')->withErrors($validator)->withInput();
  }

  // 文章内容是符合规则的，存入数据库
}

<?php

namespace App\Http\Requests;

use Illuminate\Contracts\Validation\Validator;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Http\Exceptions\HttpResponseException;
use Illuminate\Http\JsonResponse;

class ExampleRequest extends FormRequest
{
  /**
   * Determine if the user is authorized to make this request.
   *
   * @return bool
   */
  public function authorize()
  {
    return true;
  }

  /**
   * Get the validation rules that apply to the request.
   *
   * @return array
   */
  public function rules()
  {
    return [
      'title' => 'required|max:20',
      'name' => ['required', new Uppercase()],
    ];
  }

  /**
   * 获取已定义的验证规则的错误消息。
   *
   * @return array
   */
  public function messages()
  {
    return [
      'title.required' => 'A title is required',
      'title.max' => 'The title may not be greater than 20 characters.',
    ];
  }

  /**
   * 兼容 form 表单请求与 ajax 请求或者 json api 请求
   * 验证失败，返回错误信息
   *
   * @param Validator $validator
   * @throws
   */
  protected function failedValidation(Validator $validator)
  {
    if ($this->wantsJson() || $this->ajax()) {
      throw new HttpResponseException(
        new JsonResponse([
          'code' => 500,
          'msg' => $validator->errors()->first(),
          'data' => new \stdClass()
        ])
      );
    } else {
      parent::failedValidation($validator);
    }
  }
}

<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Controller;
use App\Http\Requests\ExampleRequest;

class ExampleController extends Controller
{
  public function valid(ExampleRequest $request)
  {
    $params = $request->all();
    dd($params);
  }
}

where[] = ['parentId','=',where[]=[′parentId ′,′ = ′,this->request->get('parentId')];
return [

    'menuTitle' => ['required', 'max:32','min:2',Rule::unique('admin_menu','menuTitle')->where(function($query)use($where){
      $query->where($where)->whereNull('deleted_at');
      })->ignore($id) ],
    'menuTitleEn' => ['required', 'max:32','min:2',Rule::unique('admin_menu','menuTitleEn')->where(function($query)use($where){
      $query->where($where)->whereNull('deleted_at');
      })->ignore($id) ],
    'menuRoute' => ['required',Rule::unique('admin_menu','menuRoute')->ignore($id)],
    'menuIcon' => ['required', 'min:2','max:32'],
    'routeName' => ['sometimes', 'min:2','max:32'],
    'parentId' => ['required','numeric'],
    'order'=>['sometimes','numeric']
    
  ];