使用postman操作ElasticSearch【入门】

最新推荐文章于 2024-08-04 04:45:13 发布

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最新推荐文章于 2024-08-04 04:45:13 发布

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本文链接：https://blog.youkuaiyun.com/dyushuo6230/article/details/103680380

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本文详细介绍如何使用Elasticsearch进行索引库的创建、映射、文档操作及查询，包括创建索引库、查看索引库、创建映射、创建文档、浏览数据、修改数据、条件查询和删除文档等关键步骤。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

基础知识请参考一下链接

有很多写的不错的文章，自己先脑补下

https://www.jianshu.com/p/1df1529aaca7

https://blog.youkuaiyun.com/achuo/article/details/87865141

https://blog.youkuaiyun.com/Zereao/article/details/89378283

简介

本文使用的elasticsearch-7.5.0版本

注意：ES 7.0.0 开始，Type就被移除了具体参考https://blog.youkuaiyun.com/Zereao/article/details/89378283

下边代码部分是使用postman生成的，为了方便让大家看我传输的数据，注意header部分 'Content-Type: application/json'，

请求体body选择raw，里边直接写入json数据就行

例如：

如果想提高的话多多尝试吧~~下边给的几个案例只是为了让大家快速入门

创建索引库

var settings = {
  "url": "http://localhost:9200/people",
  "method": "PUT",
  "timeout": 0,
  "headers": {
    "Content-Type": "application/json"
  },
  "data": JSON.stringify({"settings":{"number_of_shards":3,"number_of_replicas":1},"mappings":{"properties":{"type":{"type":"keyword"},"name":{"type":"text"},"country":{"type":"keyword"},"age":{"type":"integer"},"date":{"type":"date","format":"yyyy-MM-dd HH:mm:ss || yyyy-MM-dd || epoch_millis"}}}}),
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

结果

{

"acknowledged": true,

"shards_acknowledged": true,

"index": "wuqi"

}

查看索引库

var settings = {
  "url": "http://localhost:9200/people/_mapping",
  "method": "GET",
  "timeout": 0,
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

结果：

{"people":{"mappings":{"properties":{"age":{"type":"integer"},"country":{"type":"keyword"},"date":{"type":"date","format":"yyyy-MM-dd HH:mm:ss || yyyy-MM-dd || epoch_millis"},"name":{"type":"text"},"type":{"type":"keyword"}}}}}

创建映射

var settings = {
  "url": "http://localhost:9200/people/_mapping",
  "method": "POST",
  "timeout": 0,
  "headers": {
    "Content-Type": "application/json"
  },
  "data": JSON.stringify({"properties":{"name":{"type":"text"},"description":{"type":"text"},"studymodel":{"type":"keyword"}}}),
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

结果：

{

"acknowledged": true

}

创建文档

var settings = {
  "url": "http://localhost:9200/people/_doc/",
  "method": "POST",
  "timeout": 0,
  "headers": {
    "Content-Type": "application/json"
  },
  "data": JSON.stringify({"name":"我是男人","description":"不要问一个男人行不行777","studymodel":"2010133101"}),
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

结果：

{"_index":"people","_type":"_doc","_id":"AZj7NW8BQw2NfPKHHzFy","_version":1,"result":"created","_shards":{"total":2,"successful":1,"failed":0},"_seq_no":0,"_primary_term":2}

浏览数据

var settings = {
  "url": "http://localhost:9200/people/_doc/AZj7NW8BQw2NfPKHHzFy",
  "method": "GET",
  "timeout": 0,
  "headers": {
    "Content-Type": "application/json"
  },
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

结果：

{"_index":"people","_type":"_doc","_id":"AZj7NW8BQw2NfPKHHzFy","_version":1,"_seq_no":0,"_primary_term":2,"found":true,"_source":{
"name":"我是男人",
"description":"不要问一个男人行不行777",
"studymodel":"2010133101"
}}

修改数据

var settings = {
  "url": "http://localhost:9200/people/_update/AZj7NW8BQw2NfPKHHzFy",
  "method": "POST",
  "timeout": 0,
  "headers": {
    "Content-Type": "application/json"
  },
  "data": JSON.stringify({"doc":{"name":"UpdateZereao22222222222222222222222"}}),
};

$.ajax(settings).done(function (response) {
  console.log(response);
});

结果：

{"_index":"people","_type":"_doc","_id":"AZj7NW8BQw2NfPKHHzFy","_version":2,"result":"updated","_shards":{"total":2,"successful":1,"failed":0},"_seq_no":1,"_primary_term":2}

条件查询

curl --location --request POST 'http://localhost:9200/l_suoyiku/_search' \
--header 'Content-Type: application/json' \
--data-raw '{
  "query": {
    "match": {
    	"description":"777"
    }
  },
  "highlight": {  //高亮显示
	"fields": {
		"description": {} 
	}
},
  "from": 1,
  "size": 100
}'

结果：

{"took":106,"timed_out":false,"_shards":{"total":1,"successful":1,"skipped":0,"failed":0},"hits":{"total":{"value":7,"relation":"eq"},"max_score":1.5126113,"hits":[{"_index":"l_suoyiku","_type":"_doc","_id":"JrRKMm8BU9yncorEfwSU","_score":1.5126113,"_source":{
"name":"我是男人",
"description":"不要问一个男人行不行777",
"studymodel":"2010133101"
},"highlight":{"description":["不要问一个男人行不行777"]}},{"_index":"l_suoyiku","_type":"_doc","_id":"J7RKMm8BU9yncorEggQ3","_score":1.5126113,"_source":{
"name":"我是男人",
"description":"不要问一个男人行不行777",
"studymodel":"2010133101"
},"highlight":{"description":["不要问一个男人行不行777"]}},{"_index":"l_suoyiku","_type":"_doc","_id":"KLRKMm8BU9yncorEhARl","_score":1.5126113,"_source":{
"name":"我是男人",
"description":"不要问一个男人行不行777",
"studymodel":"2010133101"
},"highlight":{"description":["不要问一个男人行不行777"]}},{"_index":"l_suoyiku","_type":"_doc","_id":"KbRKMm8BU9yncorEhgS2","_score":1.5126113,"_source":{
"name":"我是男人",
"description":"不要问一个男人行不行777",
"studymodel":"2010133101"
},"highlight":{"description":["不要问一个男人行不行777"]}},{"_index":"l_suoyiku","_type":"_doc","_id":"KrRKMm8BU9yncorEiQQS","_score":1.5126113,"_source":{
"name":"我是男人",
"description":"不要问一个男人行不行777",
"studymodel":"2010133101"
},"highlight":{"description":["不要问一个男人行不行777"]}},{"_index":"l_suoyiku","_type":"_doc","_id":"K7RKMm8BU9yncorEiwRQ","_score":1.5126113,"_source":{
"name":"我是男人",
"description":"不要问一个男人行不行777",
"studymodel":"2010133101"
},"highlight":{"description":["不要问一个男人行不行777"]}}]}}

删除文档

curl --location --request DELETE 'http://localhost:9200/l_suoyiku/_doc/2' \
--header 'Content-Type: application/json'