9 RestClient客户端操作文档

2024-06-24 08:28

本文主要是介绍9 RestClient客户端操作文档,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!

1. match_all

@GetMapping("matchAll")public void matchAll() throws IOException {//1. 准备requestSearchRequest request = new SearchRequest("hotel");//2. 组织DSL参数request.source().query(QueryBuilders.matchAllQuery());SearchResponse response = restHighLevelClient.search(request, RequestOptions.DEFAULT);//3.解析结果SearchHits searchHits = response.getHits();//4. 查询总条数long value = searchHits.getTotalHits().value;System.out.println("总条数: " + value);//5.  数据SearchHit[] hits = searchHits.getHits();for (SearchHit hit: hits) {String json = hit.getSourceAsString();System.out.println(json);}}
2024-06-24 00:57:38.000  INFO 8968 --- [nio-8080-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
2024-06-24 00:57:38.000  INFO 8968 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2024-06-24 00:57:38.000  INFO 8968 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 0 ms
总条数: 4
{"address":"柳州东路1号","brand":"如家","business":"弘阳商圈","city":"南京市浦口区","id":1,"location":"33.33,131.33","name":"如家","pic":"http://www.bai.com/images/rujia.png","price":189,"score":7,"starName":"二星"}
{"address":"月华西路2号","brand":"7天","business":"江宁商圈","city":"南京市江宁区","id":2,"location":"33.33,131.35","name":"7天","pic":"http://www.bai.com/images/7.png","price":188,"score":7,"starName":"二星"}
{"address":"洪武北路1号","brand":"四季","business":"新街口商圈","city":"南京市玄武区","id":3,"location":"33.35,131.36","name":"四季","pic":"http://www.bai.com/images/7.png","price":489,"score":8,"starName":"3星"}
{"address":"是单独发2号","brand":"四季如春","business":"新街口商圈","city":"南京市鼓楼区","id":4,"location":"66.66,133.36","name":"四季如春","pic":"http://www.qiniu.com/images/xxx.png","price":999,"score":9,"starName":"五星"}

2.全文检索查询

单字段查询
//单字段查询@GetMapping("singleMatch")public void singleMatch() throws IOException {//1. 准备requestSearchRequest request = new SearchRequest("hotel");//2. 组织DSL参数request.source().query(QueryBuilders.matchQuery("name","四季如春"));SearchResponse response = restHighLevelClient.search(request, RequestOptions.DEFAULT);//3.解析结果SearchHits searchHits = response.getHits();//4. 查询总条数long value = searchHits.getTotalHits().value;System.out.println("总条数: " + value);//5.  数据SearchHit[] hits = searchHits.getHits();for (SearchHit hit: hits) {String json = hit.getSourceAsString();System.out.println(json);}}

name搜索字段参与了分词,因此会查询出两条记录

2024-06-24 01:12:58.956  INFO 7784 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2024-06-24 01:12:58.957  INFO 7784 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms
总条数: 2
{"address":"是单独发2号","brand":"四季如春","business":"新街口商圈","city":"南京市鼓楼区","id":4,"location":"66.66,133.36","name":"四季如春","pic":"http://www.qiniu.com/images/xxx.png","price":999,"score":9,"starName":"五星"}
{"address":"洪武北路1号","brand":"四季","business":"新街口商圈","city":"南京市玄武区","id":3,"location":"33.35,131.36","name":"四季","pic":"http://www.bai.com/images/7.png","price":489,"score":8,"starName":"3星"}
2024-06-24 01:13:29.036 ERROR 7784 --- [rRegistryThread] c.xxl.job.core.util.XxlJobRemotingUtil   : Connection refused: connect

多字段查询

//多字段查询@GetMapping("multiMatch")public void multiMatch() throws IOException {//1. 准备requestSearchRequest request = new SearchRequest("hotel");//2. 组织DSL参数request.source().query(QueryBuilders.multiMatchQuery("四季如春","name","brand"));SearchResponse response = restHighLevelClient.search(request, RequestOptions.DEFAULT);//3.解析结果SearchHits searchHits = response.getHits();//4. 查询总条数long value = searchHits.getTotalHits().value;System.out.println("总条数: " + value);//5.  数据SearchHit[] hits = searchHits.getHits();for (SearchHit hit: hits) {String json = hit.getSourceAsString();System.out.println(json);}}
2024-06-24 01:15:22.728  INFO 4552 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2024-06-24 01:15:22.730  INFO 4552 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 2 ms
总条数: 2
{"address":"是单独发2号","brand":"四季如春","business":"新街口商圈","city":"南京市鼓楼区","id":4,"location":"66.66,133.36","name":"四季如春","pic":"http://www.qiniu.com/images/xxx.png","price":999,"score":9,"starName":"五星"}
{"address":"洪武北路1号","brand":"四季","business":"新街口商圈","city":"南京市玄武区","id":3,"location":"33.35,131.36","name":"四季","pic":"http://www.bai.com/images/7.png","price":489,"score":8,"starName":"3星"}
2024-06-24 01:15:43.546 ERROR 4552 --- [rRegistryThread] c.xxl.job.core.util.XxlJobRemotingUtil   : Connection refused: connect

term查询

@GetMapping("term")public void term() throws IOException {//1. 准备requestSearchRequest request = new SearchRequest("hotel");//2. 组织DSL参数request.source().query(QueryBuilders.termQuery("city","南京市浦口区"));SearchResponse response = restHighLevelClient.search(request, RequestOptions.DEFAULT);//3.解析结果SearchHits searchHits = response.getHits();//4. 查询总条数long value = searchHits.getTotalHits().value;System.out.println("总条数: " + value);//5.  数据SearchHit[] hits = searchHits.getHits();for (SearchHit hit: hits) {String json = hit.getSourceAsString();System.out.println(json);}}
2024-06-24 01:19:07.854  INFO 6212 --- [nio-8080-exec-2] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
2024-06-24 01:19:07.854  INFO 6212 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2024-06-24 01:19:07.855  INFO 6212 --- [nio-8080-exec-2] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms
总条数: 1
{"address":"柳州东路1号","brand":"如家","business":"弘阳商圈","city":"南京市浦口区","id":1,"location":"33.33,131.33","name":"如家","pic":"http://www.bai.com/images/rujia.png","price":189,"score":7,"starName":"二星"}

range范围查询

@GetMapping("range")public void range() throws IOException {//1. 准备requestSearchRequest request = new SearchRequest("hotel");//2. 组织DSL参数request.source().query(QueryBuilders.rangeQuery("price").gte(200).lt(500));SearchResponse response = restHighLevelClient.search(request, RequestOptions.DEFAULT);//3.解析结果SearchHits searchHits = response.getHits();//4. 查询总条数long value = searchHits.getTotalHits().value;System.out.println("总条数: " + value);//5.  数据SearchHit[] hits = searchHits.getHits();for (SearchHit hit: hits) {String json = hit.getSourceAsString();System.out.println(json);}}
2024-06-24 01:21:50.603  INFO 8916 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2024-06-24 01:21:50.604  INFO 8916 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms
总条数: 1
{"address":"洪武北路1号","brand":"四季","business":"新街口商圈","city":"南京市玄武区","id":3,"location":"33.35,131.36","name":"四季","pic":"http://www.bai.com/images/7.png","price":489,"score":8,"starName":"3星"}

bool复合查询

@GetMapping("boolQuery")public void boolQuery() throws IOException {//1. 准备requestSearchRequest request = new SearchRequest("hotel");//2. 组织DSL参数BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();//添加must条件boolQuery.must(QueryBuilders.termQuery("city","南京市浦口区"));//添加filter条件boolQuery.filter(QueryBuilders.rangeQuery("price").lt(200));request.source().query(boolQuery);SearchResponse response = restHighLevelClient.search(request, RequestOptions.DEFAULT);//3.解析结果SearchHits searchHits = response.getHits();//4. 查询总条数long value = searchHits.getTotalHits().value;System.out.println("总条数: " + value);//5.  数据SearchHit[] hits = searchHits.getHits();for (SearchHit hit: hits) {String json = hit.getSourceAsString();System.out.println(json);}}
2024-06-24 01:26:50.886  INFO 15052 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2024-06-24 01:26:50.886  INFO 15052 --- [nio-8080-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 0 ms
总条数: 1
{"address":"柳州东路1号","brand":"如家","business":"弘阳商圈","city":"南京市浦口区","id":1,"location":"33.33,131.33","name":"如家","pic":"http://www.bai.com/images/rujia.png","price":189,"score":7,"starName":"二星"}
2024-06-24 01:27:15.288 ERROR 15052 --- [rRegistryThread] c.xxl.job.core.util.XxlJobRemotingUtil   : Connection refused: connect

这篇关于9 RestClient客户端操作文档的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!



http://www.chinasem.cn/article/1089628

相关文章

Python实现对阿里云OSS对象存储的操作详解

《Python实现对阿里云OSS对象存储的操作详解》这篇文章主要为大家详细介绍了Python实现对阿里云OSS对象存储的操作相关知识,包括连接,上传,下载,列举等功能,感兴趣的小伙伴可以了解下... 目录一、直接使用代码二、详细使用1. 环境准备2. 初始化配置3. bucket配置创建4. 文件上传到os

mysql表操作与查询功能详解

《mysql表操作与查询功能详解》本文系统讲解MySQL表操作与查询,涵盖创建、修改、复制表语法,基本查询结构及WHERE、GROUPBY等子句,本文结合实例代码给大家介绍的非常详细,感兴趣的朋友跟随... 目录01.表的操作1.1表操作概览1.2创建表1.3修改表1.4复制表02.基本查询操作2.1 SE

c++中的set容器介绍及操作大全

《c++中的set容器介绍及操作大全》:本文主要介绍c++中的set容器介绍及操作大全,本文通过实例代码给大家介绍的非常详细,对大家的学习或工作具有一定的参考借鉴价值,需要的朋友参考下吧... 目录​​一、核心特性​​️ ​​二、基本操作​​​​1. 初始化与赋值​​​​2. 增删查操作​​​​3. 遍历方

MySQL追踪数据库表更新操作来源的全面指南

《MySQL追踪数据库表更新操作来源的全面指南》本文将以一个具体问题为例,如何监测哪个IP来源对数据库表statistics_test进行了UPDATE操作,文内探讨了多种方法,并提供了详细的代码... 目录引言1. 为什么需要监控数据库更新操作2. 方法1:启用数据库审计日志(1)mysql/mariad

springboot如何通过http动态操作xxl-job任务

《springboot如何通过http动态操作xxl-job任务》:本文主要介绍springboot如何通过http动态操作xxl-job任务的问题,具有很好的参考价值,希望对大家有所帮助,如有错... 目录springboot通过http动态操作xxl-job任务一、maven依赖二、配置文件三、xxl-

Python Pillow 库详解文档(最新推荐)

《PythonPillow库详解文档(最新推荐)》Pillow是Python中最流行的图像处理库,它是PythonImagingLibrary(PIL)的现代分支和继承者,本文给大家介绍Pytho... 目录python Pillow 库详解文档简介安装核心模块架构Image 模块 - 核心图像处理基本导入

Oracle 数据库数据操作如何精通 INSERT, UPDATE, DELETE

《Oracle数据库数据操作如何精通INSERT,UPDATE,DELETE》在Oracle数据库中,对表内数据进行增加、修改和删除操作是通过数据操作语言来完成的,下面给大家介绍Oracle数... 目录思维导图一、插入数据 (INSERT)1.1 插入单行数据,指定所有列的值语法:1.2 插入单行数据,指

SQL中JOIN操作的条件使用总结与实践

《SQL中JOIN操作的条件使用总结与实践》在SQL查询中,JOIN操作是多表关联的核心工具,本文将从原理,场景和最佳实践三个方面总结JOIN条件的使用规则,希望可以帮助开发者精准控制查询逻辑... 目录一、ON与WHERE的本质区别二、场景化条件使用规则三、最佳实践建议1.优先使用ON条件2.WHERE用

MYSQL查询结果实现发送给客户端

《MYSQL查询结果实现发送给客户端》:本文主要介绍MYSQL查询结果实现发送给客户端方式,具有很好的参考价值,希望对大家有所帮助,如有错误或未考虑完全的地方,望不吝赐教... 目录mysql取数据和发数据的流程(边读边发)Sending to clientSending DataLRU(Least Rec

Linux链表操作方式

《Linux链表操作方式》:本文主要介绍Linux链表操作方式,具有很好的参考价值,希望对大家有所帮助,如有错误或未考虑完全的地方,望不吝赐教... 目录一、链表基础概念与内核链表优势二、内核链表结构与宏解析三、内核链表的优点四、用户态链表示例五、双向循环链表在内核中的实现优势六、典型应用场景七、调试技巧与