Head 插件使用

创建index 索引

• 首先创建一个 index

$ curl -X PUT http://192.168.122.161:9200/user {
    "settings": {
        "number_of_shards": 3,
        "number_of_replicas": 1
    },
    "mappings": {
        "dynamic": "false",
        "properties": {
            "uname": {
                "type": "keyword"
            },
            "passwd": {
                "type":"keyword",
                "index":false
            },
            "introduce": {
                "type": "text"
            },
            "createtime": {
                "type": "date",
                "format": "yyyy-MM-dd HH:mm:ss || yyyy-MM-dd || epoch_millis"
            }
        }
    }
}

• 插入数据

$ curl -X POST http://192.168.122.161:9200/user/_doc -d '{
    "uname": "admin",
    "passwd": "123456",
    "introduce": "勇敢 坚强 正直",
    "createtime": "2021-06-26 10:00:00"
}'

$ curl -X POST http://192.168.122.161:9200/user/_doc -d '{
    "uname": "zhangsan",
    "passwd": "111111",
    "introduce": "勇敢 果断 正义",
    "createtime": "2021-06-26 11:00:00"
}'

$ curl -X POST http://192.168.122.161:9200/user/_doc -d '{
    "uname": "lisi",
    "passwd": "111111",
    "introduce": "聪明 坚强 善良",
    "createtime": "2021-06-26 12:00:00"
}'

• 创建 type 和 插入数据（put）
  • post 可以插入没有 id 的数据，每次都会当作新数据插入
  • put 插入的时候必须指定 id，update or add

$ curl -X PUT http://192.168.122.161:9200/user/_doc/1 -d '{
    "uname": "wangwu",
    "passwd": "333333",
    "introduce": "聪明 坚强 善良",
    "createtime": "2021-06-26 12:30:00"
}'

• 查询数据信息

# 查询index
$ curl -X GET http://192.168.122.161:9200/user/_search
# 按照 id 查询文档
$ curl -X GET http://192.168.122.161:9200/user/_doc/1
# 查询指定的列
$ curl -X GET http://192.168.122.161:9200/user/_doc/1 -d {
    "source": {
        "includes": ["uname","introduce"],
        "excludes":["passwd"]
    }
}

• 修改数据

# 局部替换
$ curl -X PUT http://192.168.122.161:9200/user/_doc/1 -d {"uname":"test"}

$ curl -X POST http://192.168.122.161:9200/user/_doc/1/_update -d {"uname":"test"}

• 删除数据

$ curl -X DELETE http://192.168.122.161:9200/user/_doc/1

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