[学习ES系列]-3.ElasticSearch基础交互

RESTful API with JSON over HTTP

创建索引

PUT http://127.0.0.1:9200/people

{
	"setting":{
		"number_of_shards":5,
		"number_of_replicas":1
	},
	"mappings":{
		"man":{
			"properties":{
				"name":{
					"type":"text"
				},
				"country":{
					"type":"keyword"
				},
				"age":{
					"type":"integer"
				},
				"date":{
					"type":"date",
					"format":"yyyy-MM-dd HH:mm::ss||yyyy-MM-dd||epoch_millis"
				}
			}
		}
	}
}

创建结构

结构化创建 需要利用mappings 结构化关键词。

POST http://127.0.0.1:9200/book/cs/_mappings

{
  "cs": {
    "properties": {
      "title": {
        "type": "text"
      }
    }
  }
}

插入数据

• 1.指定文档ID插入

PUT http://127.0.0.1:9200/people/man/1

{
	"name":"张仁杰",
	"country":"China",
	"age":30,
	"date":"1987-06-01"
}

• 2.自动产生文档ID插入

POST http://127.0.0.1:9200/people/man

{
	"name":"张惠",
	"country":"China",
	"age":28,
	"date":"1990-11-01"
}

修改数据

• 1.直接修改

POST http://127.0.0.1:9200/people/man/1/_update

{
	"doc":{
		"name":"Jack",
		"age":31
	}
}

• 2.通过脚本方式修改 painless内置的脚本语言 ctx._source.age+=10 ctx上下文 source当前文档

POST http://127.0.0.1:9200/people/man/1/_update

{
	"script":{
		"lang":"painless",
		"inline":"ctx._source.age-=10"
	}
}

{
	"script":{
		"lang":"painless",
		"inline":"ctx._source.age=params.age",
		"params":{
			"age":"100"
		}
	}
}

删除操作

• 1.删除文档

DELETE http://127.0.0.1:9200/people/man/1

• 2.删除索引

DELETE http://127.0.0.1:9200/people