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

使用Java填充Word模板的操作指南

《使用Java填充Word模板的操作指南》本文介绍了Java填充Word模板的实现方法,包括文本、列表和复选框的填充,首先通过Word域功能设置模板变量,然后使用poi-tl、aspose-words... 目录前言一、设置word模板普通字段列表字段复选框二、代码1. 引入POM2. 模板放入项目3.代码

使用EasyPoi快速导出Word文档功能的实现步骤

《使用EasyPoi快速导出Word文档功能的实现步骤》EasyPoi是一个基于ApachePOI的开源Java工具库,旨在简化Excel和Word文档的操作,本文将详细介绍如何使用EasyPoi快速... 目录一、准备工作1、引入依赖二、准备好一个word模版文件三、编写导出方法的工具类四、在Export

利用Python操作Word文档页码的实际应用

《利用Python操作Word文档页码的实际应用》在撰写长篇文档时,经常需要将文档分成多个节,每个节都需要单独的页码,下面:本文主要介绍利用Python操作Word文档页码的相关资料,文中通过代码... 目录需求:文档详情:要求:该程序的功能是:总结需求:一次性处理24个文档的页码。文档详情:1、每个

Python内存管理机制之垃圾回收与引用计数操作全过程

《Python内存管理机制之垃圾回收与引用计数操作全过程》SQLAlchemy是Python中最流行的ORM(对象关系映射)框架之一,它提供了高效且灵活的数据库操作方式,本文将介绍如何使用SQLAlc... 目录安装核心概念连接数据库定义数据模型创建数据库表基本CRUD操作创建数据读取数据更新数据删除数据查

Go语言中json操作的实现

《Go语言中json操作的实现》本文主要介绍了Go语言中的json操作的实现,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧... 目录 一、jsOChina编程N 与 Go 类型对应关系️ 二、基本操作:编码与解码 三、结构体标签(Struc

C++读写word文档(.docx)DuckX库的使用详解

《C++读写word文档(.docx)DuckX库的使用详解》DuckX是C++库,用于创建/编辑.docx文件,支持读取文档、添加段落/片段、编辑表格,解决中文乱码需更改编码方案,进阶功能含文本替换... 目录一、基本用法1. 读取文档3. 添加段落4. 添加片段3. 编辑表格二、进阶用法1. 文本替换2

Java 字符串操作之contains 和 substring 方法最佳实践与常见问题

《Java字符串操作之contains和substring方法最佳实践与常见问题》本文给大家详细介绍Java字符串操作之contains和substring方法最佳实践与常见问题,本文结合实例... 目录一、contains 方法详解1. 方法定义与语法2. 底层实现原理3. 使用示例4. 注意事项二、su

Python实现自动化删除Word文档超链接的实用技巧

《Python实现自动化删除Word文档超链接的实用技巧》在日常工作中,我们经常需要处理各种Word文档,本文将深入探讨如何利用Python,特别是借助一个功能强大的库,高效移除Word文档中的超链接... 目录为什么需要移除Word文档超链接准备工作:环境搭建与库安装核心实现:使用python移除超链接的

Java Stream流与使用操作指南

《JavaStream流与使用操作指南》Stream不是数据结构,而是一种高级的数据处理工具,允许你以声明式的方式处理数据集合,类似于SQL语句操作数据库,本文给大家介绍JavaStream流与使用... 目录一、什么是stream流二、创建stream流1.单列集合创建stream流2.双列集合创建str

Python正则表达式匹配和替换的操作指南

《Python正则表达式匹配和替换的操作指南》正则表达式是处理文本的强大工具,Python通过re模块提供了完整的正则表达式功能,本文将通过代码示例详细介绍Python中的正则匹配和替换操作,需要的朋... 目录基础语法导入re模块基本元字符常用匹配方法1. re.match() - 从字符串开头匹配2.