[Java] elasticsearch中term与match的区别讲解

• term是精确查询
  
• match是模糊查询
  

$curl -xget http://localhost:9200/index/doc/_search?pretty -d 
'{
 "query":{
  "term":{
  "title":"北京奥运"
  }
 }
}'

{
  "took": 1,
  "timed_out": false,
  "_shards": {
  "total": 5,
  "successful": 5,
  "failed": 0
  },
  "hits": {
  "total": 1,
  "max_score": 0.92055845,
  "hits": [
   {
  "_index": "index",
  "_type": "doc",
  "_id": "3",
  "_score": 0.92055845,
  "_source": {
    "content": "同一个世界同一个梦想",
    "title": "北京奥运",
    "tags": [
    "和平"
    ]
  }
   }
  ]
 }
}

$curl -xget http://localhost:9200/index/doc/_search?pretty -d 
'{
  "query": {
  "match": {
    "content": "中国杭州"
  }
  }
}'

{
 "took" : 1,
 "timed_out" : false,
 "_shards" : {
  "total" : 5,
  "successful" : 5,
  "failed" : 0
 },
 "hits" : {
   "total" : 2,
   "max_score" : 0.99999994,
   "hits" : [ {
    "_index" : "index",
    "_type" : "doc",
    "_id" : "4",
    "_score" : 0.99999994,
    "_source" : {
     "content" : "杭州是一个美丽的城市,欢迎来到杭州",
    "title" : "宣传",
    "tags" : [ "旅游", "城市" ]
    }
  }, {
    "_index" : "index",
    "_type" : "doc",
    "_id" : "2",
    "_score" : 0.8838835,
    "_source" : {
     "content" : "中国是世界上人口最多的国家",
     "title" : "中国",
     "tags" : [ "中国", "人口" ]
    }
  } ]
  }
}