@SpringbootApplication

@SpringbootApplication

#注解

• @SpringBootConfiguration

  |- @Configuration

  |- @Component

​ 实际作用就是将主启动类注入到ioc中

• @EnableAutoConfiguration

  |-@AutoConfigurationPackage 标注主启动所在的包

  |-@Import 相当于<import resource="..."/>引入一个配置类

  ​ AutoConfigurationImportSelector用来自动扫描出@Configuration注解的类

  ​ 并将配置类import到ioc中

• @ComponentScan

  扫描范围

  参考https://www.cnblogs.com/xingjia/p/11184876.html

  用于过滤类不加入到ioc中

  例如:

  @ComponentScan(value="com.chz",excludeFilters= {
          @Filter(type=FilterType.ANNOTATION,classes= {Controller.class})
  })
  
  

  com.chz下@Controller不被扫描注入到ioc中

  @ComponentScan(value="com.chz",
  includeFilters= {
          @Filter(type=FilterType.ASSIGNABLE_TYPE,classes= {BookService.class})
  })
  

  会加载BookService,以及BookService的子类或者其实现类

#属性

• exclude == excludeName == @EnableAutoConfiguration

• scanBasePackages 等价于 @CompoentScan (basepages = "xxx")

  会覆盖原有配置的@CompoentScan

• proxyBeanMethods 是否能通过方法调用来获取JavaBean