elasticsearch中term与match的区别讲解

$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" ]
      }
    } ]
  }
}