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                [TOC] ## 1.索引基本操作 ### 1.1 創建一個索引 ```json #創建一個索引 PUT /person { "settings": { "number_of_shards": 5, "number_of_replicas": 1 } } ``` ### 1.2 查看索引信息 ```json #查看索引 GET /person ``` ### 1.3 刪除索引 ```json #刪除索引 DELETE /person ``` ### 1.4 ES中Field可以指定的類型 ~~~json #String: text:一般用于全文檢索。將當前的field進行分詞 # keyword: 當前的Field不可被分詞 ~~~ ### 1.5 創建索引并指定數據結構 ——以創建小說為例子 ~~~json PUT /book { "settings": { #備份數 "number_of_replicas": 1, #分片數 "number_of_shards": 5 }, #指定數據結構 "mappings": { #指定類型 Type "novel": { # 文件存儲的Field屬性名 "properties": { "name": { "type": "text", "analyzer": "ik_max_word", # 指定當前的Field可以作為查詢的條件 "index": true }, "authoor": { "type": "keyword" }, "onsale": { "type": "date", "format": "yyyy-MM-dd" } } } } } ~~~ ### 1.6 文檔的操作 - <u>文檔在ES服務中的唯一標志,_index, _type, _id 三個內容為組合,來鎖定一個文檔,操作抑或是修改</u> #### 1.6.1 新建文檔 - 自動生成id ~~~Json PUT /book/novel { "name": "西游記", "authoor": "劉明", "onsale": "2020-12-11" } ~~~ - **手動指定ID(更推薦)** ~~~json PUT /book/novel/1 { "name": "三國演義", "authoor": "小明", "onsale": "2020-12-11" } ~~~ #### 1.6.2 修改文檔 - <u>覆蓋式修改</u> ~~~json POST /book/novel/1 { "name": "三國演義", "authoor": "小明", "onsale": "2020-12-11" } ~~~ - <u>doc修改方式(更推薦)</u> ~~~json POST /book/novel/1/_update { "doc": { "name": "極品家丁" } } #先鎖定文檔,_update 修改需要的字段即可 ~~~ #### 1.6.3 刪除文檔 - <u>刪庫跑路</u> ~~~json DELETE /book/novel/1 ~~~
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