book_admin/application/admin/validate/ClientManageBlock.php

<?php

namespace app\admin\validate;

use think\Validate;

class ClientManageBlock extends Validate
{
    /**
     * 验证规则
     */
    protected $rule = [
        'name' => 'require|max:10|checkExists',


    ];
    /**
     * 提示消息
     */
    protected $message = [
    ];
    /**
     * 验证场景
     */
    protected $scene = [
        'add' => ['name'],
        'edit' => ['name'],
    ];

    /**
     * 检查是否存在
     * @param $value
     * @return bool
     */

    protected function checkExists($value, $rule, $data)
    {
        $typehasdata = model('ClientManageBlock')->get(['name' => $value, 'page_id' => $data['page_id']]);
        if ($typehasdata ) {
            return '主标题重复';
        }

        return true;
    }

}