Spring Boot 概念知识

123456789101112131415161718192021222324252627282930

<!-- boot parent --><parent>	<groupId>org.springframework.boot</groupId>	<artifactId>spring-boot-starter-parent</artifactId>	<version>1.3.2.RELEASE</version>	<relativePath/> <!-- lookup parent from repository --></parent><dependencies>     	<!-- boot starter -->	<dependency>		<groupId>org.springframework.boot</groupId>		<artifactId>spring-boot-starter</artifactId>	</dependency>	<!-- web starter -->	<dependency>		<groupId>org.springframework.boot</groupId>		<artifactId>spring-boot-starter-web</artifactId>	</dependency></dependencies><build>	<plugins>		<plugin>			<groupId>org.springframework.boot</groupId>			<artifactId>spring-boot-maven-plugin</artifactId>		</plugin>	</plugins></build>

12345678910111213

@RestController@EnableAutoConfigurationpublic class App {    @RequestMapping("/")    String home() {        return "Hello World!";    }    public static void main(String[] args) throws Exception {        SpringApplication.run(App.class, args);    }}

1

Hello World!

12345678910111213141516171819202122232425

@Target(ElementType.TYPE)@Retention(RetentionPolicy.RUNTIME)@Documented@Inherited@AutoConfigurationPackage@Import(EnableAutoConfigurationImportSelector.class)public @interface EnableAutoConfiguration {	String ENABLED_OVERRIDE_PROPERTY = "spring.boot.enableautoconfiguration";	/**	 * Exclude specific auto-configuration classes such that they will never be applied.	 * @return the classes to exclude	 */	Class<?>[] exclude() default {};	/**	 * Exclude specific auto-configuration class names such that they will never be	 * applied.	 * @return the class names to exclude	 * @since 1.3.0	 */	String[] excludeName() default {};}

1234567891011

# Auto Configureorg.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.webservices.WebServicesAutoConfiguration