@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
@AutoConfigurationPackage
@Import({EnableAutoConfigurationImportSelector.class})
public @interface EnableAutoConfiguration {
  String ENABLED_OVERRIDE_PROPERTY = "spring.boot.enableautoconfiguration";
 
  Class<?>[] exclude() default {};
 
  String[] excludeName() default {};
}

# Initializers
org.springframework.context.ApplicationContextInitializer=\
org.springframework.boot.autoconfigure.SharedMetadataReaderFactoryContextInitializer,\
org.springframework.boot.autoconfigure.logging.AutoConfigurationReportLoggingInitializer
 
# Application Listeners
org.springframework.context.ApplicationListener=\
org.springframework.boot.autoconfigure.BackgroundPreinitializer
 
# Auto Configuration Import Listeners
org.springframework.boot.autoconfigure.AutoConfigurationImportListener=\
org.springframework.boot.autoconfigure.condition.ConditionEvaluationReportAutoConfigurationImportListener
 
# Auto Configuration Import Filters
org.springframework.boot.autoconfigure.AutoConfigurationImportFilter=\
org.springframework.boot.autoconfigure.condition.OnClassCondition
 
# Auto Configure
org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
org.springframework.boot.autoconfigure.admin.SpringApplicationAdminJmxAutoConfiguration,\
org.springframework.boot.autoconfigure.aop.AopAutoConfiguration,\
org.springframework.boot.autoconfigure.amqp.RabbitAutoConfiguration,\
org.springframework.boot.autoconfigure.batch.BatchAutoConfiguration,\
org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration,\
org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfiguration,\
org.springframework.boot.autoconfigure.cloud.CloudAutoConfiguration,\
org.springframework.boot.autoconfigure.context.ConfigurationPropertiesAutoConfiguration,\

<?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>
 
  <groupId>cn.miaolovezhen</groupId>
  <artifactId>spring-boot-starter-test</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>
 
  <name>spring-boot-starter-test</name>
  <description>Demo project for Spring Boot</description>
 
  <parent>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-parent</artifactId>
   <version>1.5.6.RELEASE</version>
   <relativePath/> <!-- lookup parent from repository -->
  </parent>
 
  <properties>
   <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
   <java.version>1.8</java.version>
  </properties>
 
  <dependencies>
   <dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-autoconfigure</artifactId>
     <version>1.5.4.RELEASE</version>
   </dependency>
  </dependencies>
 
</project>

@ConfigurationProperties(prefix = "test")
public class TestProperties {
  private static final String MSG = "springboot";
  private String msg = MSG;
 
  public String getMsg() {
    return msg;
  }
 
  public void setMsg(String msg) {
    this.msg = msg;
  }
}

public class TestService {
  private String msg;
 
  public String sayHello(){
    return "Hello " + msg;
  }
 
  public String getMsg() {
    return msg;
  }
 
  public void setMsg(String msg) {
    this.msg = msg;
  }
}

@Configuration
@EnableConfigurationProperties(TestProperties.class)
@ConditionalOnClass(TestService.class)
@ConditionalOnProperty(prefix = "test" , value = "enabled" , matchIfMissing = true)
public class TestServiceAutoConfiguration {
  @Autowired
  TestProperties testProperties;
 
  @Bean
  @ConditionalOnMissingBean(TestService.class)
  public TestService testService(){
    TestService testService = new TestService();
    testService.setMsg(testProperties.getMsg());
    return testService;
  }
}

org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
cn.miaolovezhen.TestServiceAutoConfiguration