查看索引 curl localhost:9200/_cat/indices?v
curl localhost:9200/_cat/indices?v
删除索引,通配符形式 curl -XDELETE localhost:9200/索引*
curl -XDELETE localhost:9200/索引*
索引起别名 curl -XPUT localhost:9200/索引/_alias/别名
curl -XPUT localhost:9200/索引/_alias/别名