fuzzy实现模糊查询

value:查询的关键字
boost:查询的权值，默认值是1.0
min_similarity:设置匹配的最小相似度，默认值为0.5, 对于字符串,取值为0-1(包括0和1);对于数值，取值可能大于1;对于日期型取值为1d,1m等，1d就代表1天
prefix_length:指明区分词项的共同前缀长度，默认是0
max_expansions:查询中的词项可以扩展的数目，默认可以无限大
GET /ib3/user/ search { "queny":{ "fuzy*:{ *interests": "chagge* }}}
GET /ib3/user/_ search { "query":{ "fuzzy*: { "interests":{ "value*: "chagge" }}}

#下面可以明显查询条件写错了，但是我们使用模糊查询就可以查询出来，模糊查询很简单 

#fuzzy模糊查询
GET /lib3/user/_search
{
  "query": {
    "fuzzy": {"name": "zholiu"}
  }
}

{
  "took" : 587,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : 1,
    "max_score" : 0.23973508,
    "hits" : [
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "1",
        "_score" : 0.23973508,
        "_source" : {
          "name" : "zhaoliu",
          "address" : "hei long jiang sheng tie ling shi",
          "age" : 50,
          "birthday" : "1970-12-12",
          "interests" : "xi buan hejiu, duanlian, lvyou"
        }
      }
    ]
  }
}

GET /lib3/user/_search
{
  "query": {
    "fuzzy": {
      "interests": {"value": "chagge"}
    }
  }
}

{
  "took" : 35,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : 3,
    "max_score" : 0.57762265,
    "hits" : [
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "2",
        "_score" : 0.57762265,
        "_source" : {
          "name" : "zhaoming",
          "address" : "bei jing hai dian qu qing he zhen",
          "age" : 20,
          "birthday" : "1998-10-12",
          "interests" : "xi huan hejiu, duanlian, changge"
        }
      },
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "5",
        "_score" : 0.23973508,
        "_source" : {
          "name" : "zhangsan",
          "address" : "bei jing chao yang qu",
          "age" : 29,
          "birthday" : "1988-10-12",
          "interests" : "xi huan tingyinyue , changge , tiaowu"
        }
      },
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "3",
        "_score" : 0.23973508,
        "_source" : {
          "name" : "lisi",
          "address" : "bei jing hai dian qu qing he zhen",
          "age" : 23,
          "birthday" : "1998-10-12",
          "interests" : "xi huan hejiu,duanlian, changge"
        }
      }
    ]
  }
}