国家和住房城乡建设部网站建立应用网站

1. 复合查询 boolean query

(1) 布尔查询是一个或多个查询子句的组合，子查询的组合方式有：must: 必须匹配每个子查询，类似 "与"should: 选择性匹配子查询，类似 "或"must_not: 必须不匹配，不参与算分，类似 " 非 "filter: 必须匹配，不参与算分

get /hotel/_search
{"query":{"bool":{//city必须等于南京"must": [{"term":{"city":"南京"}}],//品牌是两者中任意一个都行"should": [{"term":{"brand": "四季"}},{"term":{"brand": "7天"}}],//必须取反"must_not": [{"range": {"price": {"gte": 100}}}],//必须成立"filter": [{"range": {"score": {"gte": 5}}}]}}
}

2 案例

(1) 搜索名字包含"如家"，价格不高于500

get /hotel/_search
{"query":{"bool": {"must": [{"match": {"name": "如家"}}],"must_not": [{"range": {"price": {"gt": 500}}}]}}
}

查询结果

{"took" : 0,"timed_out" : false,"_shards" : {"total" : 1,"successful" : 1,"skipped" : 0,"failed" : 0},"hits" : {"total" : {"value" : 1,"relation" : "eq"},"max_score" : 1.6277175,"hits" : [{"_index" : "hotel","_type" : "_doc","_id" : "1","_score" : 1.6277175,"_source" : {"address" : "柳州东路1号","brand" : "如家","business" : "弘阳商圈","city" : "南京市浦口区","id" : 1,"location" : "33.33,131.33","name" : "如家","pic" : "http://www.bai.com/images/rujia.png","price" : 189,"score" : 7,"starName" : "二星"}}]}
}