Laravel自定义验证（Validate）规则最简单方法

<?php
/**
 * @Author: leroi * @Date:   2018-12-13 11:26:48 * @Last Modified by:   leroi * @Last Modified time: 2018-12-13 13:28:55
 */
namespace App\Http\Requests\LoRa;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
/**
 *
 */
class Test
{
  public static function search($data)
  {
    $rules = [
      'tags' => [
        'integer',
        'max:30',
        function ($attribute, $value, $fail) {
          if ($value <= 10) {
            $fail(':attribute must be at least 10.');
          }
        }
      ]
    ];
    $messages = [];
    return self::compileErrMsg($data, $rules, $messages);
  }
  private static function compileErrMsg($data, $rules, $messages)
  {
    $validator = Validator::make($data, $rules, $messages);
    if ($validator->fails()) {
      $result = [];
      foreach (json_decode(json_encode($validator->errors()), true) as $k => $v) {
        $result[$k] = $v[0];
      }
      return $result;
      die;
    }
    return false;
  }
}

<?php
/**
 * @Author: leroi * @Date:   2018-11-27 17:03:51 * @Last Modified by:   leroi * @Last Modified time: 2018-12-13 11:46:50
 */
namespace App\Http\Controllers\api;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Redis;
use App\Http\Requests\LoRa\Test;
/**
 *
 */
class TestController extends Controller
{
  public function test(Request $request)
  {
    $input = $request->only(['tags']);
    if ($validate_error = Test::search($input)) {
      return $validate_error;
    }
    return [];
  }
}