Powershell原生支持的cURL - Invoke-WebRequest
https://blog.csdn.net/quicknet/article/details/20286075
IK Analyzer
https://github.com/medcl/elasticsearch-analysis-ik/
5.5.1 入門教程
https://www.elastic.co/blog/a-practical-introduction-to-elasticsearch
Common options
https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html
Query DSL
https://www.elastic.co/guide/en/elasticsearch/reference/5.5/query-dsl.html
Field datatypes
https://www.elastic.co/guide/en/elasticsearch/reference/5.5/mapping-types.html
Aggregations
https://www.elastic.co/guide/en/elasticsearch/reference/5.5/search-aggregations.html
