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之前一直我們講的是添加文檔和查看文檔，下面我們看下怎么修改文檔，

第一種方式PUT? 覆蓋原來的文檔

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修改文檔（覆蓋原來的）：

PUT /lib/user/1 {"first_name":"Jane","last_name":"Smith","age":32,"about":"I like to collect rock albums","interests":["music"] }

返回結果

{"_index" : "lib","_type" : "user","_id" : "1","_version" : 2,"result" : "updated","_shards" : {"total" : 1,"successful" : 1,"failed" : 0},"_seq_no" : 3,"_primary_term" : 1 }

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將年齡修改為36

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第二種方式：POST??

獲取一下GET? 年齡變成了48? 版本號也增到了4

GET /lib/user/1 {"_index" : "lib","_type" : "user","_id" : "1","_version" : 4,"_seq_no" : 5,"_primary_term" : 1,"found" : true,"_source" : {"first_name" : "Jane","last_name" : "Smith","age" : 48,"about" : "I like to collect rock albums","interests" : ["music"]} }

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刪除文檔：

#刪除文檔 就相當簡單 DELETE /lib/user/1

刪除成功返回的信息

{"_index" : "lib","_type" : "user","_id" : "1","_version" : 5,"result" : "deleted","_shards" : {"total" : 1,"successful" : 1,"failed" : 0},"_seq_no" : 6,"_primary_term" : 1 }

我們在查看下是不是還有沒有這個文檔

GET /lib/user/1

found為false，沒有找到說明我們已經刪除成功

{"_index" : "lib","_type" : "user","_id" : "1","found" : false }

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上面是刪除文檔刪除索引呢？

PUT lib2 GET /lib2/_settings#返回索引信息 {"lib2" : {"settings" : {"index" : {"creation_date" : "1583416309156","number_of_shards" : "5","number_of_replicas" : "1","uuid" : "9Ta0EnpkQwya8BVgnzLxCQ","version" : {"created" : "6080699"},"provided_name" : "lib2"}}} }

刪除索引就更簡單了

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GET /lib2/_settings

返回信息? index沒有找到，說明已經刪除了

{"error" : {"root_cause" : [{"type" : "index_not_found_exception","reason" : "no such index","resource.type" : "index_or_alias","resource.id" : "lib2","index_uuid" : "_na_","index" : "lib2"}],"type" : "index_not_found_exception","reason" : "no such index","resource.type" : "index_or_alias","resource.id" : "lib2","index_uuid" : "_na_","index" : "lib2"},"status" : 404 }

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