首先打開Elasticsearch官網瞭解對應編程語言的API https://www.elastic.co/guide/en/elasticsearch/client/index.htmlphp
點擊 PHP API便可查看當前7.X版本的文檔內容了html
咱們使用TP5來做爲示例shell
首先須要安裝操做Elasticsearch的PHP客戶端庫,咱們打開https://packagist.org/,搜索Elasticsearch。編程
這裏有個Elasticsearch-PHP和Elasticsearch版本的對照表,咱們須要根據咱們本身使用的Elasticsearch的版本下載對應的Elasticsearch-PHPapi
因爲個人Elasticsearch版本是7.6.2,因此這裏咱們能夠下載最新的Elasticsearch-PHP版本爲7.8.0數組
咱們進入到本身的項目目錄裏安裝Elasticsearch-PHPapp
composer require elasticsearch/elasticsearch=7.8.*
官方配置文檔:https://www.elastic.co/guide/en/elasticsearch/client/php-api/current/configuration.htmlcomposer
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); var_dump($client);
建立一個名爲users的索引同時建立映射,並制定映射中各個字段的類型elasticsearch
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); $params = [ 'index' => 'users', 'body' => [ 'settings' => [ 'number_of_shards' => 3, 'number_of_replicas' => 2 ], 'mappings' => [ '_source' => [ 'enabled' => true ], 'properties' => [ 'name' => [ 'type' => 'keyword' ], 'age' => [ 'type' => 'integer' ], 'mobile' => [ 'type' => 'text' ], 'email' => [ 'type' => 'text' ], 'birthday' => [ 'type' => 'date' ], 'address' => [ 'type' => 'text' ] ] ] ] ]; // Create the index with mappings and settings now $response = $client->indices()->create($params); dump($response);
當你要在 Elasticsearch 增長文檔時,你就須要索引 JSON 文檔。JSON 文檔會映射 PHP 關聯數組,由於 PHP 關聯數組能夠 encode 爲 JSON 數據格式。編程語言
所以在 Elasticsearch-PHP 中你能夠傳遞關聯數組給客戶端來索引文檔。咱們會概述幾種方法來增長文檔到 Elasticsearch。
當索引一個文檔時,你能夠提供一個 ID 或者讓 Elasticsearch 自動生成。
如今有以下數據,咱們將其添加到users索引中
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); $params = [ 'index' => 'users', 'id' => 1, 'body' => [ 'name' => '張三', 'age' => 10, 'email' => 'zs@gmail.com', 'birthday' => '1990-12-12', 'address' => '北京' ] ]; $client->index($params);
經過Kibana能夠查看到已經成功添加到Elasticsearch中
Elasticsearch 也支持批量(bulk)索引文檔。bulk API 要求提供 JSON 格式的 action/元數據 鍵值對。在 PHP 中構建批量文檔數據也是類似的。你首先要建立一個 action 數組對象(如 index
對象),而後你還要建立一個 body 對象。而 PHP 程序則重複上述操做構建文檔數據。
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); $arr = [ ['name' => '張三', 'age' => 10, 'email' => 'zs@gmail.com', 'birthday' => '1990-12-12', 'address' => '北京'], ['name' => '李四', 'age' => 20, 'email' => 'ls@gmail.com', 'birthday' => '1990-10-15', 'address' => '河南'], ['name' => '白兮', 'age' => 15, 'email' => 'bx@gmail.com', 'birthday' => '1970-08-12', 'address' => '杭州'], ['name' => '王五', 'age' => 25, 'email' => 'ww@gmail.com', 'birthday' => '1980-12-01', 'address' => '四川'], ]; foreach ($arr as $key => $document) { $params['body'][] = [ 'index' => [ '_index' => 'users', '_id' => $key ] ]; $params['body'][] = [ 'name' => $document['name'], 'age' => $document['age'], 'email' => $document['email'], 'birthday' => $document['birthday'], 'address' => $document['address'] ]; } if (isset($params) && !empty($params)) { $client->bulk($params); }
若是數據量很少能夠用上面的方法,若是數據量不少的話,咱們就能夠考慮分次添加
Elasticsearch 提供實時獲取文檔的方法。這意味着只要文檔被索引且客戶端收到消息確認後,你就能夠當即在任何的分片中檢索文檔。Get 操做經過 index/type/id
方式請求一個文檔信息:
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); $params = [ 'index' => 'users', 'id' => 1 ]; $response = $client->get($params); dump($response);
若是你要部分更新文檔(如更改現存字段,或添加新字段),你能夠在 body 參數中指定一個 doc 參數。這樣 doc 參數內的字段會與現存字段進行合併。
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); $params = [ 'index' => 'users', 'id' => 1, 'body' => [ 'doc' => [ 'mobile' => '17612345678' ] ] ]; $response = $client->update($params); dump($response);
有時你要執行一個腳原本進行更新操做,如對字段進行自增操做或添加新字段。爲了執行一個腳本更新,你要提供腳本命令和一些參數:
例如:將李四的年齡增長5歲
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); $params = [ 'index' => 'users', 'id' => '1', 'body' => [ 'script' => 'ctx._source.age += 5', ] ]; $response = $client->update($params); dump($response);
經過Kibana查看發現年齡已經增長了5歲
經過指定文檔的 /index/type/id
路徑能夠刪除文檔:
$hosts = [ '127.0.0.1:9200', //IP+端口 ]; $client = \Elasticsearch\ClientBuilder::create()->setHosts($hosts)->build(); $params = [ 'index' => 'users', 'id' => 2, ]; $response = $client->delete($params); dump($response);
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