Completion Suggester

智能提示

{    "settings": {        },    "mappings": {        "doc": {            "properties": {                "productName": {                  "type" : "text",                   "analyzer":"ik_max_word"                },                "productNameSuggester":{                    "type" : "completion",//智能提示字段                    "search_analyzer":"ik_max_word",//搜索使用分词默认跟索引一直                    "analyzer":"ik_max_word",//索引分词                    "max_input_length":50,//提示字段长度 如果为2 雪花啤酒 输入雪 提示雪花  输入雪花 也提示雪花                    "preserve_separators":true,//默认值  如果希望Foo Fighters  输入foof能提示的话则改为false                    "preserve_position_increments":true //启用停用分词器                }            }        }    }}

 

插入数据

{    "productName":"雪花纯生8度500ml统一标准专用白瓶1*6纸箱手提",    "productNameSuggester":"雪花纯生8度500ml统一标准专用白瓶1*6纸箱手提"}

{    "productName":"雪花勇闯天涯普啤8度500ml白瓶1*12纸箱活动版",    "productNameSuggester":"雪花勇闯天涯普啤8度500ml白瓶1*12纸箱活动版"}

post请求:http://127.0.0.1:9200/custom/doc/_search

{  "_source":false,// ["productNameSuggester","productName"] 不返回_source  "suggest": {    "my-suggest-1": {      "text": "雪",//用户输入文本      "completion": {        "field": "productNameSuggester",//字段        "size": 2，//显示条数        "skip_duplicates": true//建议去重      }    }  }}

返回结果

{    "took": 1,    "timed_out": false,    "_shards": {        "total": 5,        "successful": 5,        "skipped": 0,        "failed": 0    },    "hits": {        "total": 0,        "max_score": 0,        "hits": []    },    "suggest": {        "my-suggest-1": [            {                "text": "雪",                "offset": 0,                "length": 1,                "options": [                    {                        "text": "雪花勇闯天涯普啤8度500ml白瓶1*12纸箱活动版",                        "_index": "custom",                        "_type": "doc",                        "_id": "1",                        "_score": 1                    },                    {                        "text": "雪花纯生8度500ml统一标准专用白瓶1*6纸箱手提",                        "_index": "custom",                        "_type": "doc",                        "_id": "2",                        "_score": 1                    }                ]            }        ]    }}

设置权重

input为保存的值 weight为权重(_score)如果是数组使用[{"input":""},{"input":""}]

{    "productName":"雪花纯生8度500ml统一标准专用白瓶1*6纸箱手提",    "productNameSuggester":{"input":"雪花纯生8度500ml统一标准专用白瓶1*6纸箱手提","weight" : 34}}