Springboot和Es整合
阐明：本文章重要是简单整合和简单增删改查。https://i-blog.csdnimg.cn/direct/3ced57d555314a93bff9038c41a58398.png
1.pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.2.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>org.example</groupId>
<artifactId>EsDemo</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-elasticsearch</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.10</version>
</dependency>
<!-- swagger -->
<dependency>
<groupId>com.github.xiaoymin</groupId>
<artifactId>knife4j-spring-boot-starter</artifactId>
<version>2.0.9</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
</dependencies>
</project> 2.application.yml
spring:
elasticsearch:
rest:
uris: http://192.168.18.154:9200 3.App.java
package org.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class App {
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
} 4.SwaggerConfig.java
package org.example.config;
import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.ParameterBuilder;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.schema.ModelRef;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Parameter;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2WebMvc;
import java.util.ArrayList;
import java.util.List;
/**
* @author 李庆伟
*/
@ConditionalOnWebApplication
@Configuration
@EnableSwagger2WebMvc
@EnableKnife4j
public class SwaggerConfig {
/**
* Swagger2的配置文件，这里可以配置Swagger2的一些基本的内容，比如扫描的包等等
* []
* @return {@link Docket}
* @throws
* @author 李庆伟
*/
@Bean
public Docket createRestApi() {
//设置请求在父类方法中,如果在本类方法中设置请求头，则覆盖父类方法
List<Parameter> pars = makeHeader();
return new Docket(DocumentationType.SWAGGER_2)
.select()
//多包扫描
.apis(RequestHandlerSelectors.basePackage(makeScanOne()))
//.or(RequestHandlerSelectors.basePackage(makeScanTwo()))
//.or(RequestHandlerSelectors.basePackage(makeScanThree())))
//.apis(RequestHandlerSelectors.basePackage(App8300.class.getPackage().getName()))
.build()
.globalOperationParameters(pars)
.apiInfo(apiInfo());
}
/**
* swagger封装请求头
*
* @return {@link List< Parameter>}
* @throws
* @author 李庆伟
*/
public List<Parameter> makeHeader(){
List<Parameter> pars = new ArrayList<>();
ParameterBuilder token = new ParameterBuilder();
token.name("Authorization").description("Authorization")
.modelRef(new ModelRef("string"))
.parameterType("header")
.required(false).build();
pars.add(token.build());
ParameterBuilder languageCode = new ParameterBuilder();
languageCode.name("languageCode").description("languageCode")
.modelRef(new ModelRef("string"))
.parameterType("header")
.required(false).build();
pars.add(languageCode.build());
return pars;
}
public String makeScanOne(){
return "org.example.controller";
}
/**
* 构建API文档的详细信息函数
* @return
*/
public ApiInfo apiInfo() {
return new ApiInfoBuilder()
.title(makeApiName())
.version("1.0")
.build();
}
public String makeApiName(){
return "文档服务接口-API";
}
}
5.EsBook.java
package org.example.entity;
import lombok.Data;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;
import org.springframework.data.elasticsearch.annotations.FieldType;
import java.util.Date;
@Data
@Document(indexName = "es_book_index",type = "xiyouji")
//indexName相当于数据库 type相当于表实体属性相当于表的字段
public class EsBook {
@Id
private String id;//章节
@Field(store = true, type = FieldType.Keyword)
private String title;//章节名称
@Field(store = true, type = FieldType.Keyword)
private String code;//章节编码
}
6.IndexController.java
package org.example.controller;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.example.entity.EsBook;
import org.example.service.IndexService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
@RequestMapping("/index")
@Api(value = "索引_相当于数据库", tags = "索引_相当于数据库")
public class IndexController {
@Autowired
private IndexService indexService;
/**
* 添加
* @return {@link }
* @throws
* @author
* @date
*/
@PostMapping(value = "/add")
@ApiOperation(value = "添加", notes = "添加", produces = "application/json")
public String add(EsBook esBook) {
indexService.add(esBook);
return "ok";
}
/**
* 修改
* @return {@link }
* @throws
* @author
* @date
*/
@PostMapping(value = "/update")
@ApiOperation(value = "修改", notes = "修改", produces = "application/json")
public String update(EsBook esBook) {
indexService.update(esBook);
return "ok";
}
/**
* 查询
* @return {@link }
* @throws
* @author
* @date
*/
@PostMapping(value = "/query")
@ApiOperation(value = "查询", notes = "查询", produces = "application/json")
public List<EsBook> findQuery(EsBook esBook) {
List<EsBook> list = indexService.findListByQuery(esBook);
return list;
}
/**
* 分页
* @return {@link }
* @throws
* @author
* @date
*/
@PostMapping(value = "/findByPage")
@ApiOperation(value = "分页查询", notes = "分页查询", produces = "application/json")
public Page<EsBook> findByPage(@ApiParam(required = true, value = "pageNo") @RequestParam(value = "pageNo", required = true) Integer pageNo,
@ApiParam(required = true, value = "pageSize") @RequestParam(value = "pageSize", required = true) Integer pageSize,
@ApiParam(required = false, value = "title") @RequestParam(value = "title", required = false) String title) {
Page<EsBook> list = indexService.findByPage(pageNo, pageSize, title);
return list;
}
/**
* 详情
* @return {@link }
* @throws
* @author
* @date
*/
@PostMapping(value = "/show")
@ApiOperation(value = "详情", notes = "详情", produces = "application/json")
public EsBook show(@ApiParam(required = true, value = "章节名称") @RequestParam(value = "id", required = true) String id) {
EsBook es = indexService.get(id);
return es;
}
/**
* 删除
* @return {@link }
* @throws
* @author
* @date
*/
@PostMapping(value = "/delete")
@ApiOperation(value = "删除", notes = "删除", produces = "application/json")
public String delete(@ApiParam(required = true, value = "章节名称") @RequestParam(value = "id", required = true) String id) {
indexService.delete(id);
return "ok";
}
}
7.IndexService.java
package org.example.service;
import org.example.entity.EsBook;
import org.springframework.data.domain.Page;
import java.util.List;
public interface IndexService {
void add(EsBook esBook);
void delete(String id);
void update(EsBook esBook);
List<EsBook> findListByQuery(EsBook esBook);
EsBook get(String id);
Page<EsBook> findByPage(Integer pageNo, Integer pageSize, String title);
}
8.IndexServiceImpl.java
package org.example.service.impl;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.example.entity.EsBook;
import org.example.mapper.EsBookMapper;
import org.example.service.IndexService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
import org.springframework.data.elasticsearch.core.query.SearchQuery;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.UUID;
@Service
public class IndexServiceImpl implements IndexService {
@Autowired
private EsBookMapper esBookMapper;
@Override
public void add(EsBook esBook) {
esBook.setId(UUID.randomUUID().toString().replace("-", ""));
esBookMapper.save(esBook);
}
@Override
public void update(EsBook esBook) {
esBookMapper.save(esBook);
}
@Override
public List<EsBook> findListByQuery(EsBook esBook) {
List<EsBook> list = new ArrayList<>();
BoolQueryBuilder queryBuilder = QueryBuilders.boolQuery();
queryBuilder.must(QueryBuilders.termQuery("title", esBook.getTitle()));
Iterable<EsBook> it = esBookMapper.search(queryBuilder);
it.forEach(e->list.add(e));
return list;
}
@Override
public EsBook get(String id) {
try {
return esBookMapper.findById(id).get();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
@Override
public Page<EsBook> findByPage(Integer pageNo, Integer pageSize, String title) {
SearchQuery searchQuery = new NativeSearchQueryBuilder()
// .withQuery(QueryBuilders.matchPhraseQuery("name", kw))
.withPageable(PageRequest.of(pageNo, pageSize))
.build();
return esBookMapper.search(searchQuery);
}
@Override
public void delete(String id) {
EsBook esBook = new EsBook();
esBook.setId(id);
esBookMapper.delete(esBook);
}
}
9.EsBookMapper.java
package org.example.mapper;
import org.example.entity.EsBook;
import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
public interface EsBookMapper extends ElasticsearchRepository<EsBook,String> {
}
总结一下，纪录一点点。。。。。。。。。。。。。。
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