http://88250.b3log.org/full-text-search-elasticsearch
http://www.cnblogs.com/zhengyun_ustc/p/55solution6.html
http://solr-vs-elasticsearch.com/
https://www.elastic.co/guide/index.html
es安裝http://www.nosqldb.cn/1368777502778.html
分詞器http://blog.csdn.net/liuzhenfeng/article/details/39404435