Elasticsearch 随机返回数据 API

{"from": 0,"size": 10,//返回十条数据"query": {"bool": {"must": {"term": {"level": 1//查询条件。}}}},"_source": {"includes": ["title"   //返回的字段],"excludes": []},"sort": {//排序"_script": { // key原封不动"script": "Math.random()",//随机排序"type": "number", "params": {}, // 如果这个参数报错直接干掉"order": "asc"}}
}