使用elasticsearch的index template

1. 静态模板
   https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-templates.html
2. 动态模板

PUT /_template/product
{
  "order": 0,
  "template": "product*_*",
  "mappings": {
    "_default_": {
      "dynamic_templates": [
        {
          "integer field": {
            "mapping": {
              "doc_values": true,
              "type": "integer"
            },
            "match": "*",
            "match_mapping_type": "integer"
          }
        },
        {
          "date field": {
            "mapping": {
              "doc_values": true,
              "type": "date"
            },
            "match": "*",
            "match_mapping_type": "date"
          }
        },
        {
          "long field": {
            "mapping": {
              "doc_values": true,
              "type": "long"
            },
            "match": "*",
            "match_mapping_type": "long"
          }
        },
        {
          "float field": {
            "mapping": {
              "doc_values": true,
              "type": "float"
            },
            "match": "*",
            "match_mapping_type": "float"
          }
        },
        {
          "double field": {
            "mapping": {
              "doc_values": true,
              "type": "double"
            },
            "match": "*",
            "match_mapping_type": "double"
          }
        },
        {
          "byte field": {
            "mapping": {
              "doc_values": true,
              "type": "byte"
            },
            "match": "*",
            "match_mapping_type": "byte"
          }
        },
        {
          "short field": {
            "mapping": {
              "doc_values": true,
              "type": "short"
            },
            "match": "*",
            "match_mapping_type": "short"
          }
        },
        {
          "binary field": {
            "mapping": {
              "doc_values": true,
              "type": "binary"
            },
            "match": "*",
            "match_mapping_type": "binary"
          }
        },
        {
          "geo_point field": {
            "mapping": {
              "doc_values": true,
              "type": "geo_point"
            },
            "match": "*",
            "match_mapping_type": "geo_point"
          }
        },
        {
          "string fields": {
            "mapping": {
              "index": "not_analyzed",
              "omit_norms": true,
              "doc_values": true,
              "type": "string"
            },
            "match": "*",
            "match_mapping_type": "string"
          }
        }
      ],
      "_all": {
        "enabled": false
      }
    }
  }
}