【Elasticsearch 权威指南学习笔记】分页

Elasticsearch 接受 from 和 size 参数：

size

显示应该返回的结果数量，默认是 10

from

显示应该跳过的初始结果数量，默认是 0

如果每页展示 5 条结果，可以用下面方式请求得到 1 到 3 页的结果：

GET /_search?size=5
GET /_search?size=5&from=5
GET /_search?size=5&from=10

响应体信息： 

{
    "took": 13,
    "timed_out": false,
    "_shards": {
        "total": 5,
        "successful": 5,
        "skipped": 0,
        "failed": 0
    },
    "hits": {
        "total": {
            "value": 5,
            "relation": "eq"
        },
        "max_score": 1.0,
        "hits": [
            {
                "_index": "products",
                "_type": "_doc",
                "_id": "1567",
                "_score": 1.0,
                "_source": {
                    "product": "r2d2",
                    "details": "A resourceful astromech droid",
                    "tags": [
                        "droid"
                    ]
                }
            },
            {
                "_index": "website",
                "_type": "blog",
                "_id": "1",
                "_score": 1.0,
                "_source": {
                    "title": "My first blog entry",
                    "text": "Just trying this out...",
                    "views": 1,
                    "tags": [
                        "testing"
                    ]
                }
            },
            {
                "_index": "website",
                "_type": "blog",
                "_id": "123",
                "_score": 1.0,
                "_source": {
                    "title": "My first blog entry",
                    "text": "I am starting to get the hang of this...",
                    "date": "2014/01/02"
                }
            },
            {
                "_index": "website",
                "_type": "blog",
                "_id": "j_8Cb3oBGFbon3Ge-O8s",
                "_score": 1.0,
                "_source": {
                    "title": "My second blog entry",
                    "text": "Still trying this out...",
                    "date": "2021/07/04"
                }
            },
            {
                "_index": "website",
                "_type": "blog",
                "_id": "1if_seq_no=0&if_primary_term=1",
                "_score": 1.0,
                "_source": {
                    "title": "My first blog entry",
                    "text": "Starting to get the hang of this..."
                }
            }
        ]
    }
}