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liqiangqiang
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Spring Data Elasticsearch - 基本案例
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‎spring-data-elasticsearch-crud/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>springboot</groupId>
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<artifactId>spring-data-elasticsearch-crud</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>spring-data-elasticsearch-crud :: spring-data-elasticsearch - 基本案例 </name>
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<!-- Spring Boot 启动父依赖 -->
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.1.RELEASE</version>
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</parent>
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<dependencies>
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<!-- Spring Boot Elasticsearch 依赖 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-elasticsearch</artifactId>
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</dependency>
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<!-- Spring Boot Web 依赖 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!-- Junit -->
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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</dependency>
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</dependencies>
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</project>

‎spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/Application.java

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package org.spring.springboot;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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/**
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* Spring Boot 应用启动类
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*
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* Created by bysocket on 16/4/26.
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*/
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// Spring Boot 应用的标识
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@SpringBootApplication
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public class Application {
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public static void main(String[] args) {
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// 程序启动入口
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// 启动嵌入式的 Tomcat 并初始化 Spring 环境及其各 Spring 组件
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SpringApplication.run(Application.class,args);
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}
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}

‎spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/controller/CityRestController.java

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package org.spring.springboot.controller;
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import org.spring.springboot.domain.City;
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import org.spring.springboot.service.CityService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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import java.util.List;
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/**
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* 城市 Controller 实现 Restful HTTP 服务
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* <p>
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* Created by bysocket on 03/05/2017.
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*/
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@RestController
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public class CityRestController {
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@Autowired
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private CityService cityService;
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/**
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* 插入 ES 新城市
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*
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* @param city
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* @return
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*/
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@RequestMapping(value = "/api/city", method = RequestMethod.POST)
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public Long createCity(@RequestBody City city) {
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return cityService.saveCity(city);
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}
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/**
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* AND 语句查询
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*
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* @param description
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* @param score
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* @return
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*/
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@RequestMapping(value = "/api/city/and/find", method = RequestMethod.GET)
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public List<City> findByDescriptionAndScore(@RequestParam(value = "description") String description,
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@RequestParam(value = "score") Integer score) {
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return cityService.findByDescriptionAndScore(description, score);
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}
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/**
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* OR 语句查询
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*
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* @param description
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* @param score
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* @return
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*/
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@RequestMapping(value = "/api/city/or/find", method = RequestMethod.GET)
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public List<City> findByDescriptionOrScore(@RequestParam(value = "description") String description,
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@RequestParam(value = "score") Integer score) {
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return cityService.findByDescriptionOrScore(description, score);
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}
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/**
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* 查询城市描述
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*
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* @param description
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* @return
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*/
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@RequestMapping(value = "/api/city/description/find", method = RequestMethod.GET)
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public List<City> findByDescription(@RequestParam(value = "description") String description) {
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return cityService.findByDescription(description);
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}
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/**
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* NOT 语句查询
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*
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* @param description
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* @return
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*/
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@RequestMapping(value = "/api/city/description/not/find", method = RequestMethod.GET)
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public List<City> findByDescriptionNot(@RequestParam(value = "description") String description) {
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return cityService.findByDescriptionNot(description);
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}
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/**
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* LIKE 语句查询
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*
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* @param description
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* @return
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*/
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@RequestMapping(value = "/api/city/like/find", method = RequestMethod.GET)
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public List<City> findByDescriptionLike(@RequestParam(value = "description") String description) {
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return cityService.findByDescriptionLike(description);
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}
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}

‎spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/domain/City.java

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package org.spring.springboot.domain;
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import org.springframework.data.elasticsearch.annotations.Document;
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import java.io.Serializable;
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/**
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* 城市实体类
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* <p>
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* Created by bysocket on 03/05/2017.
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*/
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@Document(indexName = "province", type = "city")
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public class City implements Serializable {
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private static final long serialVersionUID = -1L;
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/**
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* 城市编号
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*/
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private Long id;
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/**
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* 城市名称
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*/
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private String name;
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/**
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* 描述
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*/
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private String description;
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/**
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* 城市评分
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*/
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private Integer score;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getDescription() {
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return description;
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}
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public void setDescription(String description) {
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this.description = description;
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}
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public Integer getScore() {
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return score;
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}
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public void setScore(Integer score) {
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this.score = score;
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}
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}

‎spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/repository/CityRepository.java

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package org.spring.springboot.repository;
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import org.spring.springboot.domain.City;
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import org.springframework.data.domain.Page;
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import org.springframework.data.domain.Pageable;
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import org.springframework.data.elasticsearch.annotations.Query;
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import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
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import java.util.List;
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/**
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* ES 操作类
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* <p>
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* Created by bysocket on 17/05/2017.
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*/
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public interface CityRepository extends ElasticsearchRepository<City, Long> {
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/**
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* @param description
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* @param score
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* @return
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*/
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List<City> findByDescriptionAndScore(String description, Integer score);
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List<City> findByDescriptionOrScore(String description, Integer score);
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Page<City> findByDescription(String description, Pageable page);
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// @Query("{\"bool\" : {\"must\" : {\"term\" : {\"description\" : \"?0\"}}}}")
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// Page<City> findByDescription(String description, Pageable pageable);
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Page<City> findByDescriptionNot(String description, Pageable page);
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Page<City> findByDescriptionLike(String description, Pageable page);
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Page<City> findByScoreBetween(Integer score, Pageable page);
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}

‎spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/service/CityService.java

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package org.spring.springboot.service;
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import org.spring.springboot.domain.City;
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import java.util.List;
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public interface CityService {
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/**
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* 新增 ES 城市信息
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*
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* @param city
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* @return
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*/
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Long saveCity(City city);
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List<City> findByDescriptionAndScore(String description, Integer score);
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List<City> findByDescriptionOrScore(String description, Integer score);
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List<City> findByDescription(String description);
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List<City> findByDescriptionNot(String description);
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List<City> findByDescriptionLike(String description);
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}

‎spring-data-elasticsearch-crud/src/main/java/org/spring/springboot/service/impl/CityESServiceImpl.java

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package org.spring.springboot.service.impl;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.spring.springboot.domain.City;
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import org.spring.springboot.repository.CityRepository;
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import org.spring.springboot.service.CityService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.domain.Page;
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import org.springframework.data.domain.PageRequest;
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import org.springframework.data.domain.Pageable;
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import org.springframework.stereotype.Service;
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import java.util.List;
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/**
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* 城市 ES 业务逻辑实现类
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* <p>
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* Created by bysocket on 07/02/2017.
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*/
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@Service
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public class CityESServiceImpl implements CityService {
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private static final Logger LOGGER = LoggerFactory.getLogger(CityESServiceImpl.class);
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// 分页参数 -> TODO 代码可迁移到具体项目的公共 common 模块
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private static final Integer pageNumber = 0;
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private static final Integer pageSize = 10;
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Pageable pageable = new PageRequest(pageNumber, pageSize);
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// ES 操作类
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@Autowired
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CityRepository cityRepository;
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public Long saveCity(City city) {
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City cityResult = cityRepository.save(city);
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return cityResult.getId();
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}
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public List<City> findByDescriptionAndScore(String description, Integer score) {
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return cityRepository.findByDescriptionAndScore(description, score);
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}
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public List<City> findByDescriptionOrScore(String description, Integer score) {
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return cityRepository.findByDescriptionOrScore(description, score);
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}
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public List<City> findByDescription(String description) {
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return cityRepository.findByDescription(description, pageable).getContent();
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}
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public List<City> findByDescriptionNot(String description) {
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return cityRepository.findByDescriptionNot(description, pageable).getContent();
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}
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public List<City> findByDescriptionLike(String description) {
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return cityRepository.findByDescriptionLike(description, pageable).getContent();
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}
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}

‎spring-data-elasticsearch-crud/src/main/resources/application.properties

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# ES
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spring.data.elasticsearch.repositories.enabled = true
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spring.data.elasticsearch.cluster-nodes = 127.0.0.1:9300

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