/**
     * {@inheritdoc}
     */
    public function data(ServerRequestInterface $request, Document $document)
    {
        // 获取当前用户
        $actor = $request->getAttribute('actor');

        // 获取请求的参数
        $inputs = $request->getQueryParams();

        // 获取请求的IP
        $ipAddress = Arr::get($request->getServerParams(), 'REMOTE_ADDR', '127.0.0.1');

        $query = ClassifyRepository::query();

        $query->where('id', $inputs['id']);

        $data = $this->searcher->apply(
            new ClassifySearch($actor, $inputs, $query)
        )->search()->getSingle();

        return $data;
    }

namespace App\Searchs\Classify;

use Discuz\Search\AbstractSearch;

class ClassifySearch extends AbstractSearch
{
    /**
     * 可被包括的关联方法.
     * 返回数据需要关联的数据，多个关联用","间隔，"-"会把后面的单词首字母大写拼接到前面的单词.
     *
     * @var User
     */
    public $includes = [
        'firstPost',
        'last-post',
        'user'
    ];

    /**
     * 默认显示多少条数据.
     *
     * @var int
     */
    public $defaultLimit = 10;

    /**
     * 可被排序的字段.
     *
     * @var string
     */
    public $sort = [
        'id',
        'name'
    ];

    /**
     * 默认的排序字段.
     *
     * @var string
     */
    public $defaultSort = [
        'id'=>'desc'
    ];

}

namespace App\Searchs\Classify;

use Discuz\Search\AbstractSearchBuilder;
use Discuz\Api\Events\SearchModelField;

class ClassifySearchBuilder extends AbstractSearchBuilder
{
    /**
     * 定义查询条件的方法
     *
     * @param $actor
     * @param $query
     * @param $content
     * @return null
     */
    public function name($actor, $query, $content)
    {
        $query->where('name', 'like', '%'.$content.'%');

        $this->event->dispatch(
            new SearchModelField($actor, $query, 'name', $content)
        );
    }

    /**
     * 定义关联模型的方法
     *
     * @param $actor
     * @param $query
     * @return null
     */
    public function firstPost($actor, $query)
    {

    }
}