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README.md

elasticsearch 客户端

简介

     本客户端旨在降低elasticsearch的上手难度,依赖于官方的客户端插件elasticsearch/elasticsearch。直接使用官方客户端需要手动构建复杂的请求体, 稍微有一点错误,操作结果就不对。所以单独构建一个依赖官方客户端的插件,用户只需要传入关键字即可,后面增加了类似于关系型数据库 的链式操作方法,用起来更简单一些。当然,本插件只能满足一些常用的功能需求,较为复杂的需求仍然需要手动构建请求体,你可以使用本插件 直接调用官方客户端的方法。

注意

根据elasticsearch安全策略需求,若你安装的elasticsearch8以下,请使用v1.0.9及以下版本,若你安装的elasticsearch8及以上版本,请使用v1.1.0及以上版本。

客户端安装方法

composer require xiaosongshu/elasticsearch

elasticsearch服务配置

docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:7.17.7

docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" -e "xpack.security.enabled=false" -e "xpack.security.http.ssl.enabled=false" elasticsearch:8.15.0

兼容elasticsearch v8.15.5版本,高版本需要使用账号密码,账号为elastic密码为123456端口号为9201,可以根据自己的实际需求调整配置。

docker run -d --name my-es -p 9201:9200 -p 9301:9300 -e "discovery.type=single-node" -e "ELASTIC_PASSWORD=123456" -e "xpack.security.enabled=true" elasticsearch:8.15.5

如果是多个服务之间调用,可能需要创建网络

# 创建默认的网络桥接
docker network create default_network
# 创建网络
docker network create shared_network
# 将Elasticsearch容器加入网络(假设容器名为my-es,根据实际修改)
docker network connect shared_network my-es
# 将PHP容器加入网络(假设容器名为your_php_container_name,根据实际修改)
docker network connect shared_network your_php_container_name

关于IK分词器

参考 加入Ik分词器的方法:https://blog.csdn.net/weixin_44364444/article/details/125758975

基本配置

支持thinkPHP,laravel,webman等常用框架,需要创建配置文件elasticsearch.php ,放到config/目录下。 配置内容如下所示:

 return [
    /** 节点列表 */
    'nodes' => ['127.0.0.1:9200'],
    /** 用户名 */
    'username'=>'',
    /** 密码 */
    'password'=>'',
];

基本用法

实例化客户端

$client = new \Xiaosongshu\Elasticsearch\ESClient();

使用方法


<?php
require_once 'vendor/autoload.php';

/** 实例化客户端 elasticsearch链式操作演示 */
$client = new \Xiaosongshu\Elasticsearch\ESClient(
    [
        'nodes' => ['127.0.0.1:9200',],
        'username' => '',
        'password' => '',
        'proxy' => [
            'client' => [
                'curl' => [
                    CURLOPT_PROXY => '', // 明确禁用代理
                    CURLOPT_PROXYUSERPWD => '', // 清除代理认证
                    CURLOPT_NOPROXY => '*' // 对所有主机禁用代理
                ]
            ]
        ]
    ]
);

/** 获取表结构 */
$result = $client->getMap(['index']);

/** 删除索引 */
$client->deleteIndex('index');
/** 如果不存在index索引,则创建index索引 */
if (!$client->IndexExists('index')) {
    /** 创建索引 */
    $client->createIndex('index', '_doc');
}
/** 创建表 */
$result = $client->createMappings('index', '_doc', [
    'id' => ['type' => 'long',],
    'title' => ['type' => 'text', "fielddata" => true,],
    'content' => ['type' => 'text', 'fielddata' => true],
    'create_time' => ['type' => 'text'],
    'test_a' => ["type" => "integer"],
    'test_b' => ["type" => "rank_feature", "positive_score_impact" => false],
    'test_c' => ["type" => "rank_feature"],
    'name' => ['type' => 'text', "fielddata" => true,],
    'age' => ['type' => 'integer'],
    'sex' => ['type' => 'integer'],
]);

/** 批量插入数据链式操作 */
$result = $client->table('index', '_doc')->insertAll([
    [
        'id' => rand(1, 99999),
        'title' => '天有不测风云',
        'content' => '月有阴晴圆缺',
        'create_time' => date('Y-m-d H:i:s'),
        'test_a' => rand(1, 10),
        'test_b' => rand(1, 10),
        'test_c' => rand(1, 10),
        'name' => '张三',
        'age' => 27,
        'sex' => 1
    ]
]);
/** 调用elasticsearch原生方法 */
$params = [
    'index' => 'my_index',
    'type' =>"_doc",
    'id' => "demo",
];
/** 使用原生方法统计满足某条件的数据 */
$result = $client->count($params);
/** 使用原生方法判断是否存在某一条数据 */
$result = $client->exists($params);

/** 查询数据链式操作 */
$result = $client
    /** 设置表名 */
    ->table('index','_doc')
    /** must限制条件 */
    ->where(['title','=','测试'])
    /** whereIn查询 */
    ->whereIn('age',[28])
    /** whereNotIn查询 */
    ->whereNotIn('age',[27,29])
    /** should限制条件 当must和should冲突的时候,must条件优先 */
    ->orWhere(['test_a','>',8])
    /** 排序 */
    ->orderBy('test_a','asc')
    /** 分页 */
    ->limit(0,10)
    /** 筛选查询字段 */
    ->select(['name','age'])
    /** 按字段分组 */
    ->groupBy(['age','sex'])
    /** 聚合查询 */
    ->sum(['age'])
    /** 执行查询操作 */
    ->getAll();

/** 聚合查询链式操作 */
$result = $client->table('index','_doc')->max(['age'])->getAll();
/** 获取所有数据 */
$result = $client->table('index','_doc')->getAll();

/** 根据条件更新所有数据链式操作 */
$result = $client->table('index','_doc')->where(['test_a','>',2])->updateAll(['name'=>'陈圆圆']);
/** 根据条件删除数据链式操作 */
$result = $client->table('index','_doc')->where(['test_a','>',2])->deleteAll();
/** 获取所有的index索引 */
$result = $client->getIndex(['index']);
/** 使用id更新数据 */
$result = $client->table('index','_doc')->updateById('kmXADJEBegXAJ580Qqp6',['content'=>'今天你测试了吗']);
/** 使用id 删除数据 */
$result = $client->table('index','_doc')->deleteByIds(['kmXADJEBegXAJ580Qqp6']);
/** 使用id查询数据 */
$result = $client->table('index','_doc')->findById('kmXADJEBegXAJ580Qqp6');
/** 使用id批量查询 */
$result = $client->table('index','_doc')->getByIds(['kmXADJEBegXAJ580Qqp6']);
/** 添加脚本 */
$script = <<<eof
if (doc.containsKey('content') && doc['content'].size() != 0) {
        return doc['content.raw'].value + '_' + '谁不说按家乡好';
      } else {
        return '字段缺失'; // 或者返回其他适当的默认值
      }
eof;
$result = $client->addScript('update_content',$script);
/** 添加脚本 */
$result = $client->addScript('update_content2',"(doc['content'].value)+'_'+'abcdefg'");
/** 获取脚本内容 */
$result = $client->getScript('update_content');
/** 使用脚本查询 */
$result = $client->table('index','_doc')->withScript('update_content11')->getAll();
/** 删除脚本*/
$result = $client->deleteScript('update_content');
/** 原生查询 */
$result = $client->table('index','_doc')->query([
    'index'=>'index',
    'body'=>[
        'query'=>[
            'bool'=>[
                'must'=>[
                    [
                        'match_phrase'=>[
                            'title'=>'风云'
                        ],
                    ],
                    [
                        'script'=>[
                            'script'=>"doc['content'].size() != 0"
                        ]
                    ]
                ]
            ]
        ]
    ]
]);
/** 打印处理 结果*/
print_r($result);

测试

 php ./vendor/bin/phpunit -c phpunit.xml