可以查看elastic文档官方文档

1.Index 创建test索引库

PUT //127.0.0.1:9200/test

{
    "settings" : {
        "index" : {
            "number_of_shards" : 3, 
            "number_of_replicas" : 2 
        }
    }
}

2.Mappings 设置test索引库里面的字段

PUT //127.0.0.1:9200/test/_mapping

{
  "properties": {
    "email": {
      "type": "keyword"
    }
  }
}

3.创建并设置test索引库字段

PUT //127.0.0.1:9200/test

{
    "settings" : {
        "index" : {
            "number_of_shards" : 3, 
            "number_of_replicas" : 2 
        }
    },
  "properties": {
    "email": {
      "type": "keyword"
    }
  }
}

删除product库

DELETE  //127.0.0.1:9200/product

清除ElasticSearch所有数据

DELETE  //127.0.0.1:9200/_all

...未完待续