Elasticsearch各种文档操作

本文来记录下Elasticsearch各种文档操作

文章目录

初始化文档数据
查询所有文档
匹配查询文档
关键字精确查询文档
多关键字精确查询文档
字段匹配查询文档
指定查询字段查询文档

初始化文档数据

在进行各种文档操作之前，我们先进行初始化文档数据的工作

查询所有文档

在 apifox 中，向 ES 服务器发 GET请求：http://localhost:9200/person/_search，请求体内容为：

请求提参数解释

参数	解释
query	代表一个查询对象，里面可以有不同的查询属性
match_all	查询类型，例如：match_all(代表查询所有)， match，term ， range 等等
match_all后面的{查询条件}	查询条件会根据类型的不同，写法也有差异

服务器响应结果

{"took": 2,"timed_out": false,"_shards": {"total": 1,"successful": 1,"skipped": 0,"failed": 0},"hits": {"total": {"value": 4,"relation": "eq"},"max_score": 1.0,"hits": [{"_index": "person","_type": "_doc","_id": "Rc9VEY0BBLem2BEm_dvu","_score": 1.0,"_source": {"name": "张三","age": 22,"sex": "男"}},{"_index": "person","_type": "_doc","_id": "Rs_VFI0BBLem2BEmQNuK","_score": 1.0,"_source": {"name": "张三1","age": 22,"sex": "男"}},{"_index": "person","_type": "_doc","_id": "R8_WFI0BBLem2BEmO9tB","_score": 1.0,"_source": {"name": "李四","age": 23,"sex": "女"}},{"_index": "person","_type": "_doc","_id": "SM_WFI0BBLem2BEmrtsU","_score": 1.0,"_source": {"name": "李四1","age": 24,"sex": "女"}}]}}

服务器响应结果解释

{"took"【查询花费时间，单位毫秒】: 2,"timed_out"【是否超时】: false,"_shards": 【分片信息】{"total"【总数】: 1,"successful"【成功】: 1,"skipped"【忽略】: 0,"failed"【失败】: 0},"hits"【搜索命中结果】: {"total"【搜索条件匹配的文档总数】: {"value"【总命中计数的值】: 4,"relation"【计数规则】: "eq" # eq 表示计数准确， gte 表示计数不准确},"max_score"【匹配度分值】: 1.0,"hits"【命中结果集合】: [-----------------------------]}}