es请求方式调用
Es基础
关系：
ElasticSearch-> mysql
index (索引)-> 数据库
Documents(文档) -> row（行）
Fileds（字段）-> column
正排索引 id 内容，类似表格
倒排索引 ：keywords ： ids
Postman访问实例
创建索引：创建库
ip/索引名
请求路径：PUT http://127.0.0.1:9200/shopping
请求体：none
成功:
{
"acknowledged": true,
"shards_acknowledged": true,
"index": "shopping"
}
查询当前存在索引：
ip/_cat/indices?v=
请求路径：GET http://127.0.0.1:9200/_cat/indices?v=
请求体：none
成功：
health status index uuid pri rep docs.count docs.deleted store.size pri.store.size
green open .geoip_databases 5vZtZiLXTw-ZnE-gxFK4RA 1 0 33 35 34.1mb 34.1mb
yellow open user1 XvuPXH4GR3qu9kYgI1vMTg 1 1 0 0 226b 226b
yellow open product OuJtZ2GNQjaANql9jHIhdw 1 1 0 0 226b 226b
yellow open user 84VHenNTTtaJyKUQasAZXA 1 1 3 0 4.8kb 4.8kb
yellow open shopping vqraISHNSFioVa4h58y_4w 1 1 10 6 28kb 28kb
创建文档：添加行数据
ip/索引名/_doc
请求路径： POST http://127.0.0.1:9200/shopping/_doc
请求体：
{
"name": "小米",
"price": 1999,
"url": "htp12344"
}
成功：
{
"_index": "shopping",
"_type": "_doc",
"_id": "0i0_WI8Bs7gKHbbSH-sS",
"_version": 1,
"result": "created",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"_seq_no": 20,
"_primary_term": 7
}
指定id创建文档：
ip/索引名/_doc/id
请求路径：POST http://127.0.0.1:9200/shopping/_doc/1006
请求体：
{
"name": "魅族21",
"price": 2999,
"url": "htp12344"
}
成功：
{
"_index": "shopping",
"_type": "_doc",
"_id": "1006",
"_version": 3,
"result": "updated",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"_seq_no": 21,
"_primary_term": 7
}
查询单挑索引：查询单条数据
ip/索引/_doc/id
请求路径： GET http://127.0.0.1:9200/shopping/_doc/1001
请求体：none
成功：
{
"_index": "shopping",
"_type": "_doc",
"_id": "1001",
"_version": 6,
"_seq_no": 7,
"_primary_term": 1,
"found": true,
"_source": {
"name": "小米",
"price": 3999,
"url": "htp123"
}
}
查询文档列表：列表查询数据
ip/索引/_search
请求路径： GET http://127.0.0.1:9200/shopping/_search
请求体：none
成功：
{
"took": 2,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": {
"value": 3,
"relation": "eq"
},
"max_score": 1,
"hits": [
{
"_index": "shopping",
"_type": "_doc",
"_id": "F2NHrY4BJgxAo-jxuDZv",
"_score": 1,
"_source": {
"name": "小米",
"price": 1999,
"url": "htp12344"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1001",
"_score": 1,
"_source": {
"name": "小米",
"price": 3999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1004",
"_score": 1,
"_source": {
"name": "华为",
"price": 9999,
"url": "htp123"
}
}
]
}
}
条件查询：拆词查询
请求路径： GET http://127.0.0.1:9200/shopping/_search
{
"query": {
"match": { //拆词单个查询
"name": "华"
}
}
}
成功：
{
"took": 6,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": {
"value": 3,
"relation": "eq"
},
"max_score": 1.3340157,
"hits": [
{
"_index": "shopping",
"_type": "_doc",
"_id": "1005",
"_score": 1.3340157,
"_source": {
"name": "华为",
"price": 3999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1004",
"_score": 1.3340157,
"_source": {
"name": "华为",
"price": 9999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1001",
"_score": 1.1120224,
"_source": {
"name": "华为1",
"price": 9999,
"url": "htp123"
}
}
]
}
}
全词匹配查询高亮查询：
请求路径： GET http://127.0.0.1:9200/shopping/_search
请求体：
{
"query": {
"match_phrase": { //全词匹配查询
"name": "华为1"
}
},
"highlight": { //高亮显示这个字段
"fields": {
"name": {}
}
}
}
成功：
{
"took": 58,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": {
"value": 1,
"relation": "eq"
},
"max_score": 4.0541162,
"hits": [
{
"_index": "shopping",
"_type": "_doc",
"_id": "1001",
"_score": 4.0541162,
"_source": {
"name": "华为1",
"price": 9999,
"url": "htp123"
},
"highlight": {
"name": [
"<em>华</em><em>为</em><em>1</em>"
]
}
}
]
}
}
多条件范围查询：
请求路径： GET http://127.0.0.1:9200/shopping/_search
请求体：
{
"query": {
"bool": {
"must": [ //should表示或，must表示并
{
"match": {
"name": "小米"
}
},
{
"match": {
"price": 3999
}
}
],
"filter": {
"range": {
"price": {
"lt": 5000
}
}
}
}
}
}
成功：
{
"took": 18,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": {
"value": 2,
"relation": "eq"
},
"max_score": 2.4093566,
"hits": [
{
"_index": "shopping",
"_type": "_doc",
"_id": "jFvSmY4BzKCXziUqmd-Q",
"_score": 2.4093566,
"_source": {
"name": "小米",
"price": 3999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "jVvYmY4BzKCXziUqX9-H",
"_score": 2.4093566,
"_source": {
"name": "小米",
"price": 3999,
"url": "htp123"
}
}
]
}
}
聚合查询：
请求路径： GET http://127.0.0.1:9200/shopping/_search
请求体：
{
"aggs": {
"price_group": { //随意取名
"terms": { //分组
"field": "price" //分组字段
}
}
}
}
{
"took": 38,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": {
"value": 10,
"relation": "eq"
},
"max_score": 1,
"hits": [
{
"_index": "shopping",
"_type": "_doc",
"_id": "F2NHrY4BJgxAo-jxuDZv",
"_score": 1,
"_source": {
"name": "小米",
"price": 1999,
"url": "htp12344"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "jFvSmY4BzKCXziUqmd-Q",
"_score": 1,
"_source": {
"name": "小米",
"price": 3999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "jVvYmY4BzKCXziUqX9-H",
"_score": 1,
"_source": {
"name": "小米",
"price": 3999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "0i0_WI8Bs7gKHbbSH-sS",
"_score": 1,
"_source": {
"name": "魅族",
"price": 1999,
"url": "htp12344"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1005",
"_score": 1,
"_source": {
"name": "华为",
"price": 3999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1002",
"_score": 1,
"_source": {
"name": "小米",
"price": 1999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1003",
"_score": 1,
"_source": {
"name": "小米",
"price": 999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1004",
"_score": 1,
"_source": {
"name": "华为",
"price": 9999,
"url": "htp123"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1006",
"_score": 1,
"_source": {
"name": "魅族21",
"price": 2999,
"url": "htp12344"
}
},
{
"_index": "shopping",
"_type": "_doc",
"_id": "1001",
"_score": 1,
"_source": {
"name": "华为1",
"price": 9999,
"url": "htp123"
}
}
]
},
"aggregations": {
"price_group": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{
"key": 1999,
"doc_count": 3
},
{
"key": 3999,
"doc_count": 3
},
{
"key": 9999,
"doc_count": 2
},
{
"key": 999,
"doc_count": 1
},
{
"key": 2999,
"doc_count": 1
}
]
}
}
}
文档修改：修改行数据
ip/索引/_doc/id
请求路径： PUT http://127.0.0.1:9200/shopping/_doc/1001
请求体：
{
"name": "小米",
"price": 9999,
"url": "htp123"
}
成功：
{
"_index": "shopping",
"_type": "_doc",
"_id": "1001",
"_version": 7,
"result": "updated",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"_seq_no": 22,
"_primary_term": 7
}
局部修改文档（某列）
ip/索引/_update/id
请求路径：PUT http://127.0.0.1:9200/shopping/_update/1001
请求体：
{
"doc": {
"name": "华为1"
}
}
成功：
{
"_index": "shopping",
"_type": "_doc",
"_id": "1001",
"_version": 8,
"result": "updated",
"_shards": {
"total": 2,
"successful": 1,
"failed": 0
},
"_seq_no": 23,
"_primary_term": 7
}
删除文档：
请求路径：DELETE http://127.0.0.1:9200/shopping/_doc/1001
请求体：none
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