php如何集成elasticsearch,PHP thinkphp6.0使用elasticsearch
PHP版elasticsearch的GitHub地址
通过composer安装
composer require elasticsearch/elasticsearch
示例代码
namespace app\controller;
use app\BaseController;
use Elasticsearch\ClientBuilder;
use think\App;
use think\facade\Db;
class Index extends BaseController
{
use TestTrait,TestTrait2;
private $client;
private $index_name;
private $type;
// 构造函数
public function __construct(App $app)
{
parent::__construct($app);
$params = array(
'127.0.0.1:9200'
);
$this->client = ClientBuilder::create()->setHosts($params)->build();
}
/**设置索引跟 类型
* @param string $index_name
* @param string $type
*/
public function set($index_name='index',$type='type'){
$this->index_name=$index_name;
$this->type=$type;
}
/**mysql涉及到搜索的数据插入文档
* @throws \think\db\exception\DataNotFoundException
* @throws \think\db\exception\DbException
* @throws \think\db\exception\ModelNotFoundException
*/
public function sync(){
$list=Db::name("test")->select();
foreach ($list as $k => $v) {
$r = $this->add_doc($v['id'],$v);
}
}
// 搜索
public function index(){
//设置索引跟类型
$this->set('ccc','bbb');
//创建索引
// $this->create_index();
//创建文档结构
$r=$this->create_mappings();
//获取文档结构，查看映射
$r=$this->get_mapping();
$this->sync();
//删除索引
//$this->delete_index();
$id=1;
//文档是否存在
$r=$this->exists_doc($id);
if($r===true){
//获取文档信息
$r= $this->get_doc($id);
//修改文档
$r=$this->update_doc($id,'name','小明3');
//删除文档
// $this->delete_doc($id);
}
$r = $this->search_doc("删库 别烦我");
// dd($r);
}
// 删除索引
public function delete_index()
{
$params = ['index' => $this->index_name];
return $this->client->indices()->delete($params);
}
// 创建索引
/**
* @return array|callable
*/
public function create_index()
{
// 只能创建一次
$params = [
'index' => $this->index_name,
'type' => $this->type,
'body'=>[]
];
return $this->client->index($params);
}
//获取文档
public function get_doc($id){
$params = [
'index' =>$this->index_name,
'type' => $this->type,
'id'=>$id
];
return $this->client->get($params);
}
// 创建文档模板
public function create_mappings() {
$params = [
'index' => $this->index_name,
'type' => $this->type,
'include_type_name' => true,//7.0以上版本必须有
'body' => [
'properties' => [
'id' => [
'type' => 'long', // 整型
],
'name' => [
//5.x以上已经没有string类型。如果需要分词的话使用text，不需要分词使用keyword。
'type' => 'text', // 字符串型
],
'profile' => [
'type' => 'text',
],
'age' => [
'type' => 'long',
],
'job' => [
'type' => 'text',
],
]
]
];
return $this->client->indices()->putMapping($params);
}
// 查看映射
public function get_mapping() {
$params = [
'index' => $this->index_name,
'type' => $this->type,
'include_type_name' => true,//7.0以上版本必须有
];
return $this->client->indices()->getMapping($params);
}
/**添加文档
* @param string $id
* @param array $doc 跟创建文档结构时properties的字段一致
* @return array|callable
*/
public function add_doc(string $id,array $doc) {
$params = [
'index' => $this->index_name,
'type' => $this->type,
'id' => $id,
'body' => $doc
];
return $this->client->index($params);
}
// 判断文档存在
public function exists_doc($id = 1) {
$params = [
'index' => $this->index_name,
'type' => $this->type,
'id' => $id
];
return $this->client->exists($params);
}
/**更新文档
* @param $id
* @param $key
* @param $value
* @return array|callable
*/
public function update_doc($id,$key,$value) {
// 可以灵活添加新字段,最好不要乱添加
$params = [
'index' => $this->index_name,
'type' => $this->type,
'id' => $id,
'body' => [
'doc' => [
$key => $value
]
]
];
return $this->client->update($params);
}
/**删除文档
* @param int $id
* @return array|callable
*/
public function delete_doc($id = 1) {
$params = [
'index' => $this->index_name,
'type' => $this->type,
'id' => $id
];
return $this->client->delete($params);
}
/**查询表达式搜索
* @param $keywords
* @param $from
* @param $size
* @return array
*/
public function search_doc1($keywords,$from,$size){
return [
'query' =>[
"match"=>[
//"name"=>$keywords, 或者
"name"=>[
'query' => $keywords,
'boost' => 3, // 权重
],
],
]
,
'from' => $from,
'size' => $size
];
}
/**短语搜索
* @param $keywords
* @param $from
* @param $size
* @return array
*/
public function search_doc3($keywords,$from,$size){
return [
'query' =>[
"match_phrase"=>[
//"name"=>$keywords, 或者
"name"=>[
'query' => $keywords,
'boost' => 3, // 权重
],
],
]
,
'from' => $from,
'size' => $size
];
}
/**高亮搜索
* @param string $keywords
* @param $from
* @param $size
* @return array
*/
public function search_doc4(string $keywords,$from,$size):array {
return [
'query' =>[
"match_phrase"=>[
//"name"=>$keywords, 或者
"name"=>[
'query' => $keywords,
'boost' => 3, // 权重
],
],
],
'highlight'=>[
"fields"=>[
//必须加object，要不然转json时，这里依然是数组，而不是对象
"name"=>(object)[]
]
],
'from' => $from,
'size' => $size
];
}
/**搜索结果增加分析
* @param string $keywords
* @param int $from
* @param int $size
* @return array
*/
public function search_doc5(string $keywords,int $from,int $size){
return [
'query' =>[
'bool' => [
//必须匹配
"must"=>[
"match"=>[
"profile"=>$keywords,
]
],
//应该匹配
'should' => [
[ 'match' => [
'profile' => [
'query' => $keywords,
'boost' => 3, // 权重
]]],
[ 'match' => [ 'name' => [
'query' => $keywords,
'boost' => 2,
]]],
],
//复杂的搜索 限制年龄大于25岁
'filter'=>[
"range"=>[
"age"=>["gt"=>25]
]
]
],
],
'highlight'=>[
"fields"=>[
//必须加object，要不然转json时，这里依然是数组，而不是对象
"name"=>(object)[]
]
],
'aggs'=>[
"result"=>[
//terms 桶 统计文档数量
"terms"=>[
"field"=>"age"
]
],
"avg"=>[
//avg 平均值
"avg"=>[
"field"=>"age"
]
],
"max"=>[
//max 最大值
"max"=>[
"field"=>"age"
]
],
"min"=>[
//avg 最小值
"min"=>[
"field"=>"age"
]
],
],
'from' => $from,
'size' => $size,
];
}
/**使用过滤器 filter
* @param $keywords
* @param $from
* @param $size
* @return array
*/
public function search_doc2($keywords,$from,$size){
return ['query' => [
'bool' => [
//必须匹配
"must"=>[
"match"=>[
"name"=>$keywords,
]
],
//应该匹配
'should' => [
[ 'match' => [
'profile' => [
'query' => $keywords,
'boost' => 3, // 权重
]]],
[ 'match' => [ 'name' => [
'query' => $keywords,
'boost' => 2,
]]],
],
//复杂的搜索 限制年龄大于25岁
'filter'=>[
"range"=>[
"age"=>["gt"=>25]
]
]
],
],
// 'sort' => ['age'=>['order'=>'desc']],
'from' => $from,
'size' => $size
];
}
/** 查询文档 (分页，排序，权重，过滤)
* @param $keywords
* @param int $from
* @param int $size
* @return array|callable
*/
public function search_doc($keywords,$from = 0,$size = 12) {
$query=$this->search_doc5($keywords,$from,$size);
$params = [
'index' => $this->index_name,
'type' => $this->type,
'body' => $query
];
return $this->client->search($params);
}
}