catchAdmin/extend/catcher/base/CatchRequest.php

<?php
namespace catcher\base;

use app\Request;
use catcher\exceptions\FailedException;
use catcher\exceptions\ValidateFailedException;
use think\Validate;

class CatchRequest extends Request
{
  /**
   *  批量验证
   *
   * @var bool
   */
    protected $batch = false;


    /**
     * Request constructor.
     * @throws \Exception
     */
    public function __construct()
    {
        parent::__construct();

        $this->validate();
    }

    /**
     * 初始化验证
     *
     * @time 2019年11月27日
     * @throws \Exception
     * @return mixed
     */
    protected function validate()
    {
        try {
            $validate = new Validate();
            // 批量验证
            if ($this->batch) {
              $validate->batch($this->batch);
            }
            // 自定义规则
            if (method_exists($this, 'newRules')) {
              foreach ($this->newRules() as $rule) {
                $validate->extend($rule->type(), [$rule, 'verify'], $rule->message());
              }
            }

            /**
            // 场景设置验证
            if (property_exists($this, 'scene') && !empty($this->scene)) {
                foreach ($this->scene as $scene => $rules) {
                    $validate->scene($scene);
                    // 只限制字段
                    if (!isset($rules['only'])) {
                      $validate->only($rules);
                    } else {
                      $validate->only($rules['only']);
                      // 新增规则
                      if (isset($rules['append'])) {
                        foreach ($rules['append'] as $field => $rule) {
                          $validate->append($field, $rule);
                        }
                      }
                      // 移除规则
                      if (isset($rules['remove'])) {
                        foreach ($rules['remove'] as $field => $rule) {
                          $validate->remove($field, $rule);
                        }
                      }
                    }

                }
            }**/

            // 验证
            if (!$validate->check(request()->param(), $this->rules())) {
                throw new FailedException($validate->getError());
            }

            // 每次请求都需要设置创建人
            $this->param = array_merge($this->param, [
              'creator_id' => $this->user()->id,
            ]);

        } catch (\Exception $e) {
            throw new ValidateFailedException($e->getMessage());
        }

        return true;
    }
}