elasticsearch

<?php

namespace AppHttpControllersadmin;

use IlluminateHttpRequest;
use AppHttpControllersController;

use AppadminArticleModel;

use IlluminateSupportFacadesEvent;
use AppEventsEs;
use IlluminateSupportFacadesValidator;

use ElasticsearchClientBuilder;
use NunoMaduroCollisionHighlighter;


class ArticleController extends Controller
{

    private $esClient;//定义成员变量esclient
    public function __construct()
    {
        $this->esClient = ClientBuilder::create()->setHosts(config("esconfig"))->build();
    }

    //创建索引并指定分词器
    public function makeIndex(Request $request) {

        $index = $request->input("index_name");
        // 创建索引
        $params = [
            // 生成索引的名称
            'index' => $index,
            // 类型 body
            'body' => [
                'settings' => [
                    // 分区数
                    'number_of_shards' => 5,
                    // 副本数
                    'number_of_replicas' => 1
                ],
                'mappings' => [

                        // 字段  类似表字段，设置类型
                        'properties' => [
                            'title' => [
                                'type' => 'text',
                                'analyzer' => 'ik_max_word',
                                'search_analyzer' => 'ik_max_word'
                            ],
                            'content' => [
                                'type' => 'text',
                                // 中文分词  张三你好   张三  你好 张三你好
                                'analyzer' => 'ik_max_word',
                                'search_analyzer' => 'ik_max_word'
                            ]
                        ]

                ]
            ]
        ];
        // 创建索引
        $response = $this->esClient->indices()->create($params);

        return $response;

    }

    /**
     * @desc 添加文章
     * @param Request $request
     * @return array
     */
    public function create(Request $request) {

        $validator = Validator::make($request->all(), [
            'title' => 'required|max:100',
            'content' => 'required',
        ]);

        if ($validator->fails()) {
            return ["code" => "failed","message" => "参数错误"];
        }
        $articleModel = new ArticleModel();
        $articleModel->title = $request->input("title");
        $articleModel->content = $request->input("content");

        if($articleModel->save()) {


            $id = $articleModel->id;
            $title = $articleModel->title;
            $content = $articleModel->content;


            $params = [
                'index' => 'articles',
                'type' => '_doc',
                'id' => $id,
                'body' => [
                    'title' => $title,
                    'content' => $content,
                ],
            ];
            // 添加数据到索引文档中
            $this->esClient->index($params);
            //事件分发，索引文章
           // Event::dispatch(new Es($articleModel));
            return ["code" => "succ","message" => "成功"];

        }

    }

    public function search(Request $request) {
        $searchKey = $request->input("searchkey");
        $response = [];
        if($searchKey) {
            $params = [
                'index' => 'articles',

                'body' => [
                    '_source' => true,
                    'query' => [
                        'multi_match' => [
                            'query' => $searchKey,
                            "fields" => ["title", "content"]
                        ]
                    ],
                    'highlight' => array(
                        'fields' => array(
                            'title' => new Highlighter(),
                            'content' => new Highlighter()
                        )
                    )
                ]
            ];

            $response = $this->esClient->search($params);

            

            $tmp = $tmpResult =  [];
            if($response['hits']['total']['value'] > 0 ) {
                foreach($response['hits']['hits'] as $res) {

                    $tmp["_id"] = $res["_id"];
                    $tmp["_source"] = $res["_source"];
                    $tmp["title"] = isset($res["highlight"]["title"][0])?$res["highlight"]["title"][0]:'';
                    $tmp["content"] = $res["highlight"]["content"][0];

                    $tmpResult[] =  $tmp;
                }
            }
        }
        return ["code" => "succ","message" => "成功",'data' => $tmpResult];
        //return view("admin.search",compact("tmpResult"));
    }


}