Elasticsearch 安装及PHP使用详解编程语言

brew cask install java

brew install ElasticSearch

"elasticsearch/elasticsearch": "~6.0"

<?php 
use Elasticsearch/ClientBuilder; 
class ES { 
private $client; 
public function __construct(){ 
$ci = get_instance(); 
$params = array( 
'127.0.0.1:9200' 
); 
$this->client = ClientBuilder::create()->setHosts($params)->build(); 
} 
//创建索引 
function createIndex($index_name = 'aki'){ 
$params = [ 
'index' => $index_name, 
'body' => [ 
'settings' => [ 
'number_of_shards' => 5, 
'number_of_replicas' => 0 
] 
] 
]; 
return $this->client->indices()->create($params); 
} 
// 删除索引 
public function delIndex($index_name = 'aki') { 
$params = ['index' => $index_name]; 
return $this->client->indices()->delete($params); 
} 
// 添加文档 
public function addDoc($id,$doc,$index_name = 'aki',$type_name = 'form') { 
$params = [ 
'index' => $index_name, 
'type' => $type_name, 
'id' => $id, 
'body' => $doc 
]; 
return $this->client->index($params); 
} 
// 判断文档存在 
public function existsDoc($id = 1,$index_name = 'aki',$type_name = 'form') { 
$params = [ 
'index' => $index_name, 
'type' => $type_name, 
'id' => $id 
]; 
return $this->client->exists($params); 
} 
// 获取文档 
public function getDoc($id = 1,$index_name = 'aki',$type_name = 'form') { 
$params = [ 
'index' => $index_name, 
'type' => $type_name, 
'id' => $id 
]; 
return $this->client->get($params); 
} 
// 更新文档 
public function updateDoc($id,$doc,$index_name = 'aki',$type_name = 'form') { 
// 可以灵活添加新字段,最好不要乱添加 
$params = [ 
'index' => $index_name, 
'type' => $type_name, 
'id' => $id, 
'body' => [ 
'doc' =>$doc 
] 
]; 
return $this->client->update($params); 
} 
// 删除文档 
public function delDoc($id,$index_name = 'aki',$type_name = 'form') { 
$params = [ 
'index' => $index_name, 
'type' => $type_name, 
'id' => $id 
]; 
return $this->client->delete($params); 
}// 查询文档 (分页，排序，权重，过滤) 
public function searchDoc($keywords = "竞赛",$index_name = "aki",$type_name = "form",$sort = [],$from = 0,$size = 10) { 
$params = [ 
'index' => $index_name, 
'type' => $type_name, 
'body' => [ 
'query' => [ 
'bool' => [ 
'should' => [ 
[ 'match' => [ 'title' => [ 
'query' => $keywords, 
'boost' => 3, // 权重大 
]]], 
[ 'match' => [ 'content' => [ 
'query' => $keywords, 
'boost' => 2, 
]]], 
], 
], 
], 
'sort' => ['price'=>['order'=>'desc']] 
, 'from' => $from, 'size' => $size 
] 
]; 
$results = $this->client->search($params); 
//        $maxScore  = $results['hits']['max_score']; 
//        $score = $results['hits']['hits'][0]['_score']; 
//        $doc   = $results['hits']['hits'][0]['_source']; 
return $results['hits']['hits']; 
} 
}

　　　　　ll('es');//加载ES类 
$r = $this->es->delIndex(); 
$r = $this->es->createIndex(); 
print_r($r); 
$docs = []; 
$docs[] = ['id'=>1,'title'=>'李白','content'=>'酒仙刺客','price'=>100]; 
$docs[] = ['id'=>2,'title'=>'孙悟空','content'=>'腾云驾雾的辜负了紫霞的刺客。','price'=>300]; 
$docs[] = ['id'=>3,'title'=>'胡歌','content'=>'尽职励志，不错哦。','price'=>1000000]; 
$docs[] = ['id'=>4,'title'=>'王者荣耀','content'=>'游戏就玩王者荣耀。','price'=>998]; 
$docs[] = ['id'=>5,'title'=>'鲁班','content'=>'小短腿，谁都想灭。','price'=>98]; 
$docs[] = ['id'=>6,'title'=>'妲己','content'=>'祸国殃民。','price'=>998]; 
$docs[] = ['id'=>7,'title'=>'吕布','content'=>'方天画戟，后手放大','price'=>2998]; 
$docs[] = ['id'=>8,'title'=>'水晶','content'=>'保护我方水晶，进攻地方水晶。','price'=>19999]; 
foreach ($docs as $k => $v) { 
$this->es->addDoc($v['id'],$v); 
}
　　　　　

　　　　 $r = $this->es->searchDoc("李白 歌 水");
　　　　

　　　　 echo "<pre>";
　　　　 print_r($r);