PHP 中基于 Elasticsearch 的相关搜索功能开发实践

cluster.name: my-cluster
node.name: my-node
network.host: 0.0.0.0
Http.port: 9200

composer require elasticsearch/elasticsearch

require 'vendor/autoload.php';

$client = ElasticsearchClientBuilder::create()->build();

$params = [
    'index' => 'my_index',
    'body' => [
        'mappings' => [
            'properties' => [
                'title' => [
                    'type' => 'text',
                ],
                'content' => [
                    'type' => 'text',
                ],
                'created_at' => [
                    'type' => 'date',
                ],
            ],
        ],
    ],
];

$response = $client->indices()->create($params);

$params = [
    'index' => 'my_index',
    'id' => '1',
    'body' => [
        'title' => 'Elasticsearch 示例文章',
        'content' => '这是一个关于Elasticsearch的示例文章。',
        'created_at' => '2022-01-01',
    ],
];

$response = $client->index($params);

$params = [
    'index' => 'my_index',
    'body' => [
        'query' => [
            'match' => [
                'content' => 'Elasticsearch',
            ],
        ],
    ],
];

$response = $client->search($params);

$params = [
    'index' => 'my_index',
    'body' => [
        'aggs' => [
            'avg_views' => [
                'avg' => [
                    'field' => 'views',
                ],
            ],
        ],
        'query' => [
            'term' => [
                'cateGory' => 'technology',
            ],
        ],
    ],
];

$response = $client->search($params);