高亮显示搜索结果（使用highlight）

#高亮搜索结果
GET /lib3/user/_search
{"query":{"match":{"interests": "changge" } }, "highlight": { "fields": {"interests":{}}}}

{"took" : 2075,"timed_out" : false,"_shards" : {"total" : 5,"successful" : 5,"skipped" : 0,"failed" : 0},"hits" : {"total" : 3,"max_score" : 0.6931472,"hits" : [{"_index" : "lib3","_type" : "user","_id" : "2","_score" : 0.6931472,"_source" : {"name" : "zhaoming","address" : "bei jing hai dian qu qing he zhen","age" : 20,"birthday" : "1998-10-12","interests" : "xi huan hejiu, duanlian, changge"},"highlight" : {"interests" : ["xi huan hejiu, duanlian, <em>changge</em>"]}},{"_index" : "lib3","_type" : "user","_id" : "5","_score" : 0.2876821,"_source" : {"name" : "zhangsan","address" : "bei jing chao yang qu","age" : 29,"birthday" : "1988-10-12","interests" : "xi huan tingyinyue , changge , tiaowu"},"highlight" : {"interests" : ["xi huan tingyinyue , <em>changge</em> , tiaowu"]}},{"_index" : "lib3","_type" : "user","_id" : "3","_score" : 0.2876821,"_source" : {"name" : "lisi","address" : "bei jing hai dian qu qing he zhen","age" : 23,"birthday" : "1998-10-12","interests" : "xi huan hejiu,duanlian, changge"},"highlight" : {"interests" : ["xi huan hejiu,duanlian, <em>changge</em>"]}}]}
}

我们通过结果可知使用highlight的字段被加了一个标签，这个标签就是高亮显示标签