下载elasticsearch和kibana安装包
原文连接:https://juejin.cn/post/7261262567304298554
elasticsearch
官网下载比较慢,有时还打不开,可以通过https://elasticsearch.cn/download/下载,先找到对应的版本,最好使用迅雷下载,秒下的,我的下载速度可以达到40M/S
解压安装
安装 elasticsearch
解压后点击elasticsearch-7.10.0\bin\elasticsearch.bat
运行成功后,输入http://120.0.0.1:9200,可以访问说明ES启动成功
安装 kibana
点击kibana-7.10.0-windows-x86_64\bin\kibana.bat
启动成功后,输入http://localhost:5601/即可进入kibana
配置登录账号密码
ealsticsearch设置账号密码
打开config/ealsticsearch.yml
增加开启密码配置,然后重启ealsticsearch
xpack.security.enabled: true
xpack.license.self_generated.type: basic
xpack.security.transport.ssl.enabled: true
输入.\bin\elasticsearch-setup-passwords.bat interactive
设置密码,这里有一些ES内置的账号密码,比如kibana_system
这个账号密码需要配置到kibana.yml
中,这里要记一下,本地测试我都设置成123456
好了,生产环境密码强度要设置大点,不可用简单密码。
PS D:\service\ES\elasticsearch-7.10.0> .\bin\elasticsearch-setup-passwords.bat interactive
future versions of Elasticsearch will require Java 11; your Java version from [C:\Program Files\Java\jdk1.8.0_191\jre] does not meet this requirement
Initiating the setup of passwords for reserved users elastic,apm_system,kibana,kibana_system,logstash_system,beats_system,remote_monitoring_user.
You will be prompted to enter passwords as the process progresses.
Please confirm that you would like to continue [y/N]y
Enter password for [elastic]:
Reenter password for [elastic]:
Enter password for [apm_system]:
Reenter password for [apm_system]:
Enter password for [kibana_system]:
Reenter password for [kibana_system]:
Enter password for [logstash_system]:
Reenter password for [logstash_system]:
Enter password for [beats_system]:
Reenter password for [beats_system]:
Passwords do not match.
Try again.
Enter password for [beats_system]:
Reenter password for [beats_system]:
Enter password for [remote_monitoring_user]:
Reenter password for [remote_monitoring_user]:
Changed password for user [apm_system]
Changed password for user [kibana_system]
Changed password for user [kibana]
Changed password for user [logstash_system]
Changed password for user [beats_system]
Changed password for user [remote_monitoring_user]
Changed password for user [elastic]
再次打开http://localhost:9200,输入账号elastic
账号,密码123456
,登录成功说明密码设置成功;
kibana中设置es账号密码
打开kibana-7.10.0-windows-x86_64\config\kiban.yml
设置账号密码后,重启kibana
,再次输入localhost:5601就可以使用账号密码登录了
elasticsearch.hosts: ["http://localhost:9200"]
elasticsearch.username: "kibana_system"
elasticsearch.password: "123456"
导测试数据
使用Kiban
创建索引并导入测试数据 ,点击kiban
的dev Tools
执行创建索引和插入数据
文章来源:https://www.toymoban.com/news/detail-620187.html
PUT /news
{
"mappings": {
"properties": {
"id": {
"type": "long"
},
"title": {
"type": "text",
"analyzer": "standard"
},
"tags": {
"type": "keyword"
},
"read_count": {
"type": "long"
},
"like_count": {
"type": "long"
},
"comment_count": {
"type": "long"
},
"rank": {
"type": "double"
},
"location": {
"type": "geo_point"
},
"pub_time": {
"type": "date",
"format": "yyyy-MM-dd HH:mm:ss||yyyy-MM-dd HH:mm||yyyy-MM-dd||epoch_millis"
}
}
}
}
POST _bulk
{"create": {"_index": "news", "_id": 1}}
{"comment_count":600,"id":1,"like_count":2000,"location":[118.55199,24.78144],"pub_time":"2023-07-29 09:47","rank":0.0,"read_count":10000,"tags":["台风","杜苏芮","福建"],"title":"台风“杜苏芮”登陆福建晋江 多部门多地全力应对"}
{"create": {"_index": "news", "_id": 2}}
{"comment_count":60,"id":2,"like_count":200,"location":[116.23128,40.22077],"pub_time":"2023-06-29 14:49:38","rank":0.0,"read_count":1000,"tags":["台风","杜苏芮","北京"],"title":"受台风“杜苏芮”影响 北京7月29日至8月1日将有强降雨"}
{"create": {"_index": "news", "_id": 3}}
{"comment_count":6,"id":3,"like_count":20,"location":[120.21201,30.208],"pub_time":"2020-07-29 14:49:38","rank":0.99,"read_count":100,"tags":["台风","杭州"],"title":"杭州解除台风蓝色预警信号"}
JAVA客户端连接
pom引入elasticsearch-rest-high-level-client
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>7.10.0</version>
</dependency>
创建RestHighLevelClient并完成查询
public static RestHighLevelClient esClient;
static {
CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials("elastic", "123456"));
RestClientBuilder builder = RestClient.builder(new HttpHost("127.0.0.1", 9200))
.setHttpClientConfigCallback(httpClientBuilder -> httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider));
esClient = new RestHighLevelClient(builder);
}
public static Map<String, Object> getById(String index, String id) throws IOException {
GetRequest request = new GetRequest(index, id);
GetResponse getResponse = esClient.get(request, RequestOptions.DEFAULT);
return getResponse.getSourceAsMap();
}
public static void main(String[] args) throws IOException {
var doc=getById("news","1");
doc.forEach((k,v)-> System.out.println(k+":"+v));
}
测试运行
测试运行通过,可完成查询
文章来源地址https://www.toymoban.com/news/detail-620187.html
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