<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>

  <groupId>com.toov5</groupId>

  <artifactId>springboot-es</artifactId>

  <version>0.0.1-SNAPSHOT</version>

      <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.0.0.RELEASE</version>

        <relativePath /> <!-- lookup parent from repository -->

    </parent>

    <dependencies>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

        <!-- springboot 整合es -->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-data-elasticsearch</artifactId>

        </dependency>

        <dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

        </dependency>

    </dependencies>

</project>

package com.toov5.entity;

import org.springframework.data.annotation.Id;

import org.springframework.data.elasticsearch.annotations.Document;

import lombok.Data;

 @Document(indexName="toov5",type="user")   //索引的名字  类型

 @Data

public class UserEntity {

  @Id

  private String id;

  private String name;

  private Integer age;

  private Integer sex;

}

package com.toov5.dao;

import org.springframework.data.repository.CrudRepository;

import com.toov5.entity.UserEntity;

public interface UserDao extends CrudRepository<UserEntity, String> {

}

package com.toov5.controller;

import java.util.Optional;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.RequestBody;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RestController;

import com.toov5.dao.UserDao;

import com.toov5.entity.UserEntity;

@RestController

public class EsController {

    @Autowired

    private UserDao userDao;

    //添加文档

    @RequestMapping("/addUser")

    public UserEntity addUser(@RequestBody UserEntity userEntity) {

      return userDao.save(userEntity);

    } 

    //查询文档

    @RequestMapping("/findById")

    public Optional<UserEntity> findById(String id) {

       return userDao.findById(id);

    }

}