6.删除一个文档: (1).删除文档: curl-XDELETE"localhost:9200/lib/user/1?pretty" { "_index":"lib", "_type":"user", "_id":"1", "_version":4, "result":"deleted", "_shards":{ "total":1, "successful":1, "failed":0 }, "_seq_no":3, "_primary_term":1 } (2).删除索引: curl-XDELETE"localhost:9200/lib?pretty" { "acknowledged...