# 分词器
GET _analyze
{
  "analyzer":"ik_smart",
  "text":"中国地图"
}

# 分词器
GET _analyze
{
  "analyzer":"ik_max_word",
  "text":"中国地图"
}

# 删除索引结构
DELETE goodsdata

# 添加索引结构
PUT goodsdata
{
 "mappings":{
   "properties": {
     "goodsId":{
        "type":"text"
      },
      "goodsName":{
        "type":"text",
        "analyzer": "ik_smart"
      },
      "goodsImg":{
        "type":"text",
        "index": false
      },
      "price":{
        "type": "integer"
      },
      "createDate":{
        "type": "date"
      },
      "categoryName":{
        "type": "keyword"
      },
      "brandName":{
        "type": "keyword"
      },
      "spec":{
        "type": "object"
      },
      "stocksNumber":{
        "type":"integer"
      },
      "salesNumber":{
        "type": "long"
      },
      "commentNumber":{
        "type": "long"
      }
    }
  }
}

# 查看索引结构
GET goodsdata

# 删除索引结构
DELETE goodsdata/_doc/_query
{
   "query": {
    "match_all": {}
  }
}

# 插入内容 _doc是默认的类型
# 语法:PUT 索引库名/类型名/id
PUT goodsdata/_doc/1
{
    "goodsId":"111",
    "goodsName":"小米手机8s",
    "goodsImg":"111",
    "price":"543300",
    "createDate":"2022-01-01",
    "categoryName":"手机",
    "brandName":"小米",
    "spec":{
        "网络制式":"移动4G",
        "屏幕尺寸":"5.5"
    },
    "stocksNumber":"10011",
    "salesNumber":"146223",
    "commentNumber":"124356"
}
PUT goodsdata/_doc/2
{
    "goodsId":"111",
    "goodsName":"小米手机8s青春版",
    "goodsImg":"111",
    "price":"543300",
    "createDate":"2022-01-01",
    "categoryName":"手机",
    "brandName":"小米",
    "spec":{
        "网络制式":"移动4G",
        "屏幕尺寸":"5.5"
    },
    "stocksNumber":"10011",
    "salesNumber":"146223",
    "commentNumber":"124356"
}
PUT goodsdata/_doc/3
{
    "goodsId":"111",
    "goodsName":"红米手机Note8",
    "goodsImg":"111",
    "price":"543300",
    "createDate":"2022-01-01",
    "categoryName":"手机",
    "brandName":"红米",
    "spec":{
        "网络制式":"移动4G",
        "屏幕尺寸":"5.5"
    },
    "stocksNumber":"10011",
    "salesNumber":"146223",
    "commentNumber":"124356"
}
PUT goodsdata/_doc/4
{
    "goodsId":"111",
    "goodsName":"华为手机",
    "goodsImg":"111",
    "price":"543300",
    "createDate":"2022-01-01",
    "categoryName":"手机",
    "brandName":"华为",
    "spec":{
        "网络制式":"移动4G",
        "屏幕尺寸":"5.5"
    },
    "stocksNumber":"10011",
    "salesNumber":"146223",
    "commentNumber":"124356"
}
PUT goodsdata/_doc/5
{
    "goodsId":"111",
    "goodsName":"苹果手机iphone 8p",
    "goodsImg":"111",
    "price":"543300",
    "createDate":"2022-01-01",
    "categoryName":"手机",
    "brandName":"苹果",
    "spec":{
        "网络制式":"移动4G",
        "屏幕尺寸":"5.5"
    },
    "stocksNumber":"10011",
    "salesNumber":"146223",
    "commentNumber":"124356"
}

# 查询全部
GET goodsdata/_search

# 匹配查询
# ik_smart查询商品名称包含手机的
GET goodsdata/_search
{
  "query": {
    "match": {
      "goodsName": "手机"
    }
  }
}

# 匹配查询 拆词查询了
# ik_smart查询商品名称包含苹果或手机的
GET goodsdata/_search
{
  "query": {
    "match": {
      "goodsName": "苹果手机"
    }
  }
}

# 匹配查询 拆词查询并且逻辑与
# ik_smart查询商品名称包含苹果且包含手机的
GET goodsdata/_search
{
  "query": {
    "match": {
      "goodsName": {
        "query": "苹果手机",
        "operator": "and"
      }
    }
  }
}

# 多字段查询
# 查询品牌或商品名称后分类中包含小米的
GET goodsdata/_search
{
  "query": {
    "multi_match": {
      "query": "小米",
      "fields": ["brandName","goodsName","categoryName"]
    }
  }
}

# 词条匹配 term
# 适合查询 number、date、keyword ,不适合text
GET goodsdata/_search
{
  "query": {
    "term": {
      "price": {
        "value": "599900"
      }
    }
  }
}

# 多词条匹配 terms
# 查询价格为599900或者488800的
GET goodsdata/_search
{
  "query": {
    "terms": {
      "price":  [599900,488800]
    }
  }
}

# bool查询
# 把各种其他查询通过must(与) ,must_not (非),should (或)的方式组合起来的查询
GET goodsdata/_search
{
  "query": {
    "bool": {
      "must": [
        {"term": {
          "brandName": "小米"
        }},
        {
          "match": {
            "goodsName": "手机"
          }
        }
      ]
    }
  }
}
# 过滤查询
# 过滤是针对搜索结果进行过滤,不计算文档的匹配度分值,所以过滤器性能比匹配查询高,且方便缓存。推荐使用
GET goodsdata/_search
{
  "query": {
    "bool": {
      "filter": [
        {"match":{
          "goodsName": "手机"
        }}
      ]
    }
  }
}
# 分页
GET goodsdata/_search
{
  "from": 20,
  "size": 20
}

# 排序
GET goodsdata/_search
{
  "from": 20,
  "size": 20,
  "sort": [
    {
      "salesNumber": {
        "order": "desc"
      }
    }
  ]
}
# 高亮查询 默认效果
GET goodsdata/_search
{
  "query": {
    "match": {
      "goodsName": {
        "query": "苹果手机",
        "operator": "and"
      }
    }
  },
  "highlight": {
    "fields": {
      "goodsName": {}
    }
  }
}

# 高亮查询 指定红色字体效果
GET goodsdata/_search
{
  "query": {
    "match": {
      "goodsName": {
        "query": "苹果手机",
        "operator": "and"
      }
    }
  },
  "highlight": {
    "fields": {
      "goodsName": {
        "pre_tags": "<font style='color:red'>",
        "post_tags": "</font>"
      }
    }
  }
}