elasticsearch在ubuntu16下的安装及php中的使用

安装系统环境：ubuntu 16
因为ElasticSearch底层其实就是lucene，所以，需要java环境支持，但各机体安装差异较大，在此就不累述了

1.包安装
在Ubuntu/Debian上使用apt-get安装

$ sudo apt-get install elasticsearch

或者使用 wget安装

$ wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-2.1.0.deb$ sudo dpkg -i elasticsearch-2.1.0.deb

目前ElasticSearch的最新稳定版为2.1.0，如果之后版本有升级，请将相应的版本号替换掉上面的2.1.0 。
设置开机自启动

$ sudo update-rc.d elasticsearch defaults 95 10$ sudo /etc/init.d/elasticsearch start

或者

$ sudo service elasticsearch start

测试
curl http://localhost:9200

你将看到类似以下的信息：
{
“status” : 200,
“name” : “Blue Streak”,
“cluster_name” : “elasticsearch”,
“version” : {
“number” : “2.1.0”,
“build_hash” : “00f95f4ffca6de89d68b7ccaf80d148f1f70e4d4”,
“build_timestamp” : “2016-02-02T09:55:30Z”,
“build_snapshot” : false,
“lucene_version” : “4.10.4”
},
“tagline” : “You Know, for Search”
}
或者

$ sudo service elasticsearch status

出现runing就表示你安装成功了

高版本可能出现浏览器访问不了 http://localhost:9200 的情况

需要手动添加ip

$ cd /etc/elasticsearch$ sudo vim elasticsearch.yml添加 network.host: 192.168.1.168 (换成你自己的ip)

这样就安装好了，生成环境记得要把network.host注释掉

安装好后的文件的位置一般如图所示：

2、插件安装
head插件：

$ cd /usr/share/elasticsearch$ ./bin/plugin -install mobz/elasticsearch-head$ sudo service elasticsearch restart

测试：http://{your ip}:9200/_plugin/head/

ik分词插件：

https://github.com/medcl/elasticsearch-analysis-ik

3、php操作

安装 elasticsearch-php 第三方库

引入到你的 composer.json文件：

{      "require": {          "elasticsearch/elasticsearch": "~1.0"      }  }  

执行命令

$ composer update

项目文件中引入es-php库：

require 'vendor/autoload.php';  $client = new Elasticsearch\Client();  

索引一个文档

$params = array();  $params['body']  = array('testField' => 'abc');  $params['index'] = 'my_index';  //索引名字自己定义$params['type']  = 'my_type';  $params['id']    = 'my_id';  //文档id$ret = $client->index($params);  

获取一个文档

$getParams = array();  $getParams['index'] = 'my_index';  $getParams['type']  = 'my_type';  $getParams['id']    = 'my_id';  $retDoc = $client->get($getParams);  

搜索一个文档

$searchParams['index'] = 'my_index';  $searchParams['type']  = 'my_type';  $searchParams['body']['query']['match']['testField'] = 'abc';  $retDoc = $client->search($searchParams);  

删除一个文档

$deleteParams = array();  $deleteParams['index'] = 'my_index';  $deleteParams['type'] = 'my_type';  $deleteParams['id'] = 'my_id';  $retDelete = $client->delete($deleteParams);  

删除一个索引

$deleteParams = array();  $deleteParams['index'] = 'my_index';  $client->indices()->delete($deleteParams);  

demo.php

<?php  require 'vendor/autoload.php';  //引入es-ph库$client = new Elasticsearch\Client();  //创建索引文档function index($client) {      $params = array ();      $params ['body'] = array (              'testField' => 'abc'       );      $params ['index'] = 'my_index';      $params ['type'] = 'my_type';      $params ['id'] = 'my_id';      try {          $ret = $client->index($params);          println("create index success");      } catch(Exception $e) {          echo $e->getMessage();      }  } //获取一个文档function get($client) {      $getParams = array ();      $getParams ['index'] = 'my_index';      $getParams ['type'] = 'my_type';      $getParams ['id'] = 'my_id';      $retDoc = $client->get($getParams);      println($retDoc);  }//搜索function search($client) {      $searchParams ['index'] = 'my_index';      $searchParams ['type'] = 'my_type';      $searchParams ['body'] ['query'] ['match'] ['testField'] = 'abc';      $retDoc = $client->search($searchParams);      println($retDoc);  }  //删除一个文档function deleteDoc($client) {      $deleteParams = array ();      $deleteParams ['index'] = 'my_index';      $deleteParams ['type'] = 'my_type';      $deleteParams ['id'] = 'my_id';      $retDelete = $client->delete($deleteParams);      println($retDelete);  }  //删除索引function deleteIndex($client) {      $deleteParams = array ();      $deleteParams ['index'] = 'my_index';      $retDelete = $client->indices()->delete($deleteParams);      println($retDelete);  }  //创建一个索引function createIndex($client) {      $indexParams ['index'] = 'my_index';      $indexParams ['body'] ['settings'] ['number_of_shards'] = 2;      $indexParams ['body'] ['settings'] ['number_of_replicas'] = 0;      $retCreate = $client->indices()->create($indexParams);      println($retCreate);  }  

查看每个方法的运行结果：
index():

create index success  

get():

{      "_index": "my_index",      "_type": "my_type",      "_id": "my_id",      "_version": 1,      "found": true,      "_source": {          "testField": "abc"      }  }  

search():

{      "took": 3,      "timed_out": false,      "_shards": {          "total": 5,          "successful": 5,          "failed": 0      },      "hits": {          "total": 1,          "max_score": 0.30685282,          "hits": [              {                  "_index": "my_index",                  "_type": "my_type",                  "_id": "my_id",                  "_score": 0.30685282,                  "_source": {                      "testField": "abc"                  }              }          ]      }  }  

deleteDoc():

{      "found": true,      "_index": "my_index",      "_type": "my_type",      "_id": "my_id",      "_version": 2  }  

deleteIndex():

{      "acknowledged": true  }  

createIndex():

{      "acknowledged": true  }