查询elasticsearch查询结果包含或排除某些字段

通过_source字段中的include和exclude来指定返回结果包含哪些字段，排除哪些字段

举例：根据关系单号，查询es，设置_source的include和exclude

{
   
  "_source":{
   
    "include":[
      "policyNo",
      "policyRelationNo",
      "policyStatus"
    ],
    "exclude":[
       "salesType"
    ]
  },
  "query": {
   
    "bool": {
   
      "must": [
        {
   
          "term": {
   
            "policyRelationNo": "ww01435021"
          }
        }
      ],
      "should": [],
      "must_not": []
    }
  },
  "from": 0,
  "size": 10
}

效果如下：

{
   
	"_shards": {
   
		"total": 5,
		"successful": 5,
		"failed": 0
	},
	"hits": {
   
		"total": 19,
		"max_score"