elasticsearch 7.6.1 常用数据查询语句

1、创建索引 （ index）

curl   -H'Content-Type: application/json' -XPUT http://127.0.0.1:9200/test_index/_doc/1  -d'{
"mappings": {
  "properties": {
    "title": { "type": "text", "analyzer": "ik_smart" }, 
    "description": { "type": "text", "analyzer": "ik_smart" },
    "price": { "type": "scaled_float", "scaling_factor": 100 }
  }
}}'

　　

2、增加内容

    

curl -H'Content-Type: application/json' -XPUT http://127.0.0.1:9200/test_index/_doc/1?pretty -d'{
    "title": "iPhone X",
    "description": "新品到货",
    "price": 8848
}'

curl -H'Content-Type: application/json' -XPUT http://127.0.0.1:9200/test_index/_doc/2?pretty -d'{
    "title": "OPPO R15",
    "description": "新品到货",
    "price": 2000
}'

　　

3、查询记录

    

curl -XPOST -H'Content-Type:application/json' http://localhost:9200/test_index/_doc/_search?pretty -d'
{
    "query" : { "match" : { "description" : "新" }}
 }'

4、获得单个记录

  

curl http://localhost:9200/test_index/_doc/1?pretty