springboot整合spring data elasticsearch

jpa的特性

jpa可以自定义接口查询,也就意味着自己在mappe按照要求写一个方法,service只需要调用传值就可以了

一,创建maven项目导入依赖

XML 复制代码
<parent>
    <artifactId>spring-boot-starter-parent</artifactId>
    <groupId>org.springframework.boot</groupId>
    <version>2.3.6.RELEASE</version>
</parent>
<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
    </dependency>
</dependencies>

二,创建application.yml配置文件

XML 复制代码
spring:
  elasticsearch:
    rest:
      uris: http://localhost:9200

三,创建实体类

java 复制代码
@Data
@Document(indexName = "goods")
public class Goods implements Serializable {

    @Field(type = FieldType.Keyword)
    private String id;
    @Field(type = FieldType.Text)
    private String goodsName;
    @Field(type = FieldType.Integer)
    private Integer store;
    @Field(type =FieldType.Double)
    private double price;
}

四,创建dao层

java 复制代码
@Repository
public interface GoodsDao extends ElasticsearchRepository<Goods,String> {
}

五,创建主启动类

java 复制代码
@SpringBootApplication
public class ElasticsearchApplication {
    public static void main(String[] args) {
        SpringApplication.run(ElasticsearchApplication.class, args);
    }
}

六,注入测试

java 复制代码
@RunWith(SpringRunner.class)
@SpringBootTest(classes = ElasticsearchApplication.class)
public class ElastricsearchTest {

    //注入dao
    @Autowired
    private GoodsDao goodsDao;


    /**
    * @Description: 插入一个
    * @Author: Mr.Zhan
    * @Date: 2022/2/14
    */
       @Test
       public  void  testCreate(){
           Goods goods = new Goods("1","springoot整合",12,300.0);
           goodsDao.save(goods);

       }

       /**
       * @Description: 插入多个
       * @Author: Mr.Zhan
       * @Date: 2022/2/14
       */
          @Test
          public  void  testCerateMany(){
              ArrayList<Goods> list = new ArrayList<>();
              Goods goods = new Goods("2","springoot整合2",12,300.0);
              Goods goods1 = new Goods("3","springoot整合3",12,300.0);
              list.add(goods);
              list.add(goods1);
              goodsDao.saveAll(list);
          }
          /**
          * @Description: 根据id查询
          * @Author: Mr.Zhan
          * @Date: 2022/2/14
          */
             @Test
             public  void  testFindById(){
                 Optional<Goods> goods = goodsDao.findById("2");
                 System.out.println("goods.get() = " + goods.get());
             }

             /**
             * @Description: 根据所有查询
             * @Author: Mr.Zhan
             * @Date: 2022/2/14
             */
                @Test
                public  void  testFindAll(){
                    goodsDao.findAll().forEach((z)-> System.out.println("z = " + z));
                }


                /**
                * @Description: 修改
                * @Author: Mr.Zhan
                * @Date: 2022/2/14
                */
                   @Test
                   public  void  testUpdate(){
                       Goods goods = new Goods("3","springoot整合2",12,200.0);
                       goodsDao.save(goods);
                   }

                   /**
                   * @Description: 排序查询
                   * @Author: Mr.Zhan
                   * @Date: 2022/2/14
                   */
                      @Test
                      public  void  testSort(){
                          ArrayList<String>  list= new ArrayList<>();
                          list.add("price");
                          Sort orders = new Sort(Sort.Direction.ASC,list);
                          goodsDao.findAll(orders);
                      }

                      /**
                      * @Description: 分页查询
                      * @Author: Mr.Zhan
                      * @Date: 2022/2/14
                      */
                         @Test
                         public  void  testPageResult(){
                             Pageable pageable = Pageable.unpaged();
                             goodsDao.findAll(Pageable.unpaged()).get().forEach((s)-> System.out.println("s = " + s));
                         }
}
相关推荐
八苦6 分钟前
留个VKProxy性能测试记录
后端
SimonKing9 分钟前
你的Redis分布式锁还在裸奔?看门狗机制让锁更安全!
java·后端·程序员
追逐时光者10 分钟前
一个 .NET 开源、免费、以社区为中心的单元测试框架
后端·.net
kangkang-1 小时前
PC端基于SpringBoot架构控制无人机(二):MavLink协议
java·spring boot·后端·无人机
麦兜*2 小时前
Spring Boot秒级冷启动方案:阿里云FC落地实战(含成本对比)
java·spring boot·后端·spring·spring cloud·系统架构·maven
喷火龙8号3 小时前
MSC中的Model层:数据模型与数据访问层设计
后端·架构
5ycode3 小时前
dify项目结构说明与win11本地部署
后端·开源
LaoZhangAI3 小时前
GPT-image-1 API如何传多图:开发者完全指南
前端·后端
fouryears_234173 小时前
深入拆解Spring核心思想之一:IoC
java·后端·spring
codervibe3 小时前
从 0 到 1,我如何独立开发一套教务系统(EduCore)
后端