示例：
{ "code":"test", "value":{ "title":"Invest Money", "body":"Please start investing money as soon...", "tags":[ "money", "invest" ], "published_on":"1635096096659", "friend":{ "name":"zhangsan", "age":14, "pets":[ { "name":"dog", "age":10 } ] }, "comments":[ { "name":"William", "age":34, "rating":8, "comment":"Nice article..", "commented_on":"1635096096659" }, { "name":"John", "age":38, "rating":9, "comment":"I started investing after reading this.", "commented_on":"1635096096659" }, { "name":"Smith", "age":33, "rating":7, "comment":"Very good post", "commented_on":"1635096096659" } ] }}映射：
PUT test{ "mappings":{ "doc":{ "properties":{ "title":{ "type":"text" }, "body":{ "type":"text" }, "tags":{ "type":"text" }, "published_on":{ "type":"date", "format":"yyyy-MM-dd HH:mm:ss || yyyy-MM-dd || yyyy/MM/dd HH:mm:ss|| yyyy/MM/dd ||epoch_millis" }, "friend":{ "type":"nested", "properties":{ "name":{ "type":"text" }, "age":{ "type":"long" }, "pets":{ "type":"nested", "properties":{ "name":{ "type":"text" }, "age":{ "type":"long" } } } } }, "comments":{ "type":"nested", "properties":{ "name":{ "type":"text" }, "age":{ "type":"long" }, "rating":{ "type":"long" }, "comment":{ "type":"text" }, "commented_on":{ "type":"date", "format":"yyyy-MM-dd HH:mm:ss || yyyy-MM-dd || yyyy/MM/dd HH:mm:ss|| yyyy/MM/dd ||epoch_millis" } } }, "creatorId":{ "type":"text" }, "creatorName":{ "type":"text" }, "createTime":{ "type":"date", "format":"yyyy-MM-dd HH:mm:ss || yyyy-MM-dd || yyyy/MM/dd HH:mm:ss|| yyyy/MM/dd ||epoch_millis" }, "modifierId":{ "type":"text" }, "modifierName":{ "type":"text" }, "modifyTime":{ "type":"date", "format":"yyyy-MM-dd HH:mm:ss || yyyy-MM-dd || yyyy/MM/dd HH:mm:ss|| yyyy/MM/dd ||epoch_millis" } } } }}