<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.5.2.RELEASE</version>
  </parent>

  <properties>
    <spring.data.solr.version>2.1.1.RELEASE</spring.data.solr.version>
  </properties>

  <dependencyManagement>
    <dependencies>
      <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-solr</artifactId>
        <version>${spring.data.solr.version}</version>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <dependencies>
    <!--添加Web依赖, 使项目变成web项目-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.data</groupId>
      <artifactId>spring-data-solr</artifactId>
    </dependency>

    <!--test-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
    </dependency>
  </dependencies>

@SpringBootApplication
@EnableAutoConfiguration
public class AppMain {

  public static void main(String[] args) {
    SpringApplication.run(AppMain.class, args);
  }
}

spring.data.solr.host=http://127.0.0.1:8983/solr

@RestController
public class SolrController {

  @Autowired
  private SolrClient client;

  @RequestMapping("/")
  public String testSolr() throws IOException, SolrServerException {
    SolrDocument document = client.getById("test", "fe7a5124-d75b-40b2-93fe-5555512ea6d2");
    System.out.println(document);
    return document.toString();
  }
}

@Configuration
@ConditionalOnClass({ HttpSolrClient.class, CloudSolrClient.class })
@EnableConfigurationProperties(SolrProperties.class)
public class SolrAutoConfiguration {

  private final SolrProperties properties;

  private SolrClient solrClient;

  public SolrAutoConfiguration(SolrProperties properties) {
    this.properties = properties;
  }

  @Bean
  @ConditionalOnMissingBean
  public SolrClient solrClient() {
    this.solrClient = createSolrClient();
    return this.solrClient;
  }

  private SolrClient createSolrClient() {
    if (StringUtils.hasText(this.properties.getZkHost())) {
      return new CloudSolrClient(this.properties.getZkHost());
    }
    return new HttpSolrClient(this.properties.getHost());
  }

}

<dependency>
  <groupId>org.springframework.data</groupId>
  <artifactId>spring-data-solr</artifactId>
  <version>${spring.data.solr.version}</version>
</dependency>

@Configuration
public class SolrClientConfiguration {

  @Autowired
  private Environment environment;

  @Bean
  public SolrClient solrClient() {
    System.out.println("自定义配置SolrClient");
    return new HttpSolrClient(environment.getRequiredProperty("spring.data.solr.host"));
  }
}

2017-03-23 10:32:17.414 INFO 10359 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean  : Mapping filter: 'requestContextFilter' to: [/*]
自定义配置SolrClient
2017-03-23 10:32:18.178 INFO 10359 --- [      main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@160f0c04: startup date [Thu Mar 23 10:32:15 CST 2017]; root of context hierarchy