1.1. 查询数据准备

1.1.1. 一、创建索引

PUT goods
{
    "mappings": {
        "properties": {
            "title": {
                "type": "text",
                "analyzer": "ik_smart"
            },
            "price": { 
                "type": "double"
            },
            "createTime": {
                "type": "date"
            },
            "categoryName": {    
                "type": "keyword"
            },
            "brandName": {    
                "type": "keyword"
            },

            "spec": {        
                "type": "object"
            },
            "saleNum": {    
                "type": "integer"
            },

            "stock": {    
                "type": "integer"
            }
        }
    }
}

• title:商品标题
• price:商品价格
• createTime:创建时间
• categoryName:分类名称。如：家电，手机
• brandName:品牌名称。如：华为，小米
• spec: 商品规格。如： spec:{"屏幕尺寸","5寸"，"内存大小","128G"}
• saleNum:销量
• stock:库存量

1.1.2. 二、添加文档

POST goods/_doc/1
{
  "title":"小米手机",
  "price":1000,
  "createTime":"2019-12-01",
  "categoryName":"手机",
  "brandName":"小米",
  "saleNum":3000,
  "stock":10000,
  "spec":{
    "网络制式":"移动4G",
    "屏幕尺寸":"4.5"
  }
}