ElasticSearch 7 索引的使用

通过postman 创建索引

• 新增

  请求（PUT）
  {{ElasticSearchUrl}}/nba
  响应
  {
    "acknowledged": true,
    "shards_acknowledged": true,
    "index": "nba"
}

• 获取索引

  请求（GET）
  {{url}}/nba
  响应
  {
    "nba": {
        "aliases": {},         					 	（别名）
        "mappings": {}, 							（映射）
        "settings": {     							（索引设置）
            "index": {
                "creation_date": "1595246790582", 	（创建时间）
                "number_of_shards": "1",			（分片数量）
                "number_of_replicas": "1",			（副本数量）
                "uuid": "RyZZuqQ0QlGBDkJuEto0_w",	（唯一标示）
                "version": {
                    "created": "7040299"
                },
                "provided_name": "nba"
            }
        }
    }
}

• 删除索引

  请求（delete）
  {{url}}/nba
  响应
  {
    "acknowledged": true
  }

• 批量获取索引

 请求（GET）
 获取多个
 {{url}}/nba,article
 获取全部 
 {{url}}/_all
 响应
 {
    "article": {
        "aliases": {},
        "mappings": {},
        "settings": {
            "index": {
                "creation_date": "1595247826341",
                "number_of_shards": "1",
                "number_of_replicas": "1",
                "uuid": "BtJn0o3URrqEdZfNmfoAhg",
                "version": {
                    "created": "7040299"
                },
                "provided_name": "article"
            }
        }
    },
    "nba": {
        "aliases": {},
        "mappings": {},
        "settings": {
            "index": {
                "creation_date": "1595247819911",
                "number_of_shards": "1",
                "number_of_replicas": "1",
                "uuid": "9QVAl4c-RWyZub6QtWdc0Q",
                "version": {
                    "created": "7040299"
                },
                "provided_name": "nba"
            }
        }
    }
}

• 获取全部索引 - cat

请求（GET）
{{url}}/_cat/indices?v
响应
health status index   uuid                   pri rep docs.count docs.deleted store.size pri.store.size
yellow open   hello   DUtplWjcQsyGttCHmRF3zQ   1   1          1            0      4.7kb          4.7kb
yellow open   nba     9QVAl4c-RWyZub6QtWdc0Q   1   1          0            0       283b           283b
yellow open   article BtJn0o3URrqEdZfNmfoAhg   1   1          0            0       283b           283b

• 判断索引是否存在

 请求（HEAD）
 {{url}}/nba
 响应
 返回 200

• 关闭索引

 请求（POST）
 {{url}}/nba/_close
 响应
 {
    "acknowledged": true,
    "shards_acknowledged": true,
    "indices": {
        "nba": {
            "closed": true
        }
    }
}