==> 查询所有index
curl '172.30.6.14:9200/_cat/indices?v'
==> 创建索引
curl -XPUT '172.30.6.14:9200/customer?pretty'==》指定type并插入文档
curl -H "Content-Type: application/json" -XPUT '172.30.6.14:9200/customer/external/1?pretty' -d '{"name":"John"}'==》获取指定index下的所有type结构
curl 172.30.6.14:9200/customer/_mappings?pretty==》查询指定index/type下的mapping
curl '172.30.6.14:9200/customer/_mapping/external?pretty'==> 删除索引
curl -XDELETE 'localhost:9200/customer?pretty'