下面列出了怎么用org.springframework.context.annotation.componentscan.simple.ClassWithNestedComponents的API类实例代码及写法，或者点击链接到github查看源代码。
@Test
public void viaContextRegistration_WithComposedAnnotation() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
ctx.register(ComposedAnnotationConfig.class);
ctx.refresh();
ctx.getBean(ComposedAnnotationConfig.class);
ctx.getBean(SimpleComponent.class);
ctx.getBean(ClassWithNestedComponents.NestedComponent.class);
ctx.getBean(ClassWithNestedComponents.OtherNestedComponent.class);
assertThat("config class bean not found",
ctx.containsBeanDefinition("componentScanAnnotationIntegrationTests.ComposedAnnotationConfig"), is(true));
assertThat("@ComponentScan annotated @Configuration class registered directly against " +
"AnnotationConfigApplicationContext did not trigger component scanning as expected",
ctx.containsBean("simpleComponent"), is(true));
}
@Test
public void viaContextRegistration_WithComposedAnnotation() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
ctx.register(ComposedAnnotationConfig.class);
ctx.refresh();
ctx.getBean(ComposedAnnotationConfig.class);
ctx.getBean(SimpleComponent.class);
ctx.getBean(ClassWithNestedComponents.NestedComponent.class);
ctx.getBean(ClassWithNestedComponents.OtherNestedComponent.class);
assertThat("config class bean not found",
ctx.containsBeanDefinition("componentScanAnnotationIntegrationTests.ComposedAnnotationConfig"), is(true));
assertThat("@ComponentScan annotated @Configuration class registered directly against " +
"AnnotationConfigApplicationContext did not trigger component scanning as expected",
ctx.containsBean("simpleComponent"), is(true));
}
@Test
public void viaContextRegistration_WithComposedAnnotation() {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
ctx.register(ComposedAnnotationConfig.class);
ctx.refresh();
ctx.getBean(ComposedAnnotationConfig.class);
ctx.getBean(SimpleComponent.class);
ctx.getBean(ClassWithNestedComponents.NestedComponent.class);
ctx.getBean(ClassWithNestedComponents.OtherNestedComponent.class);
assertThat("config class bean not found",
ctx.containsBeanDefinition("componentScanAnnotationIntegrationTests.ComposedAnnotationConfig"), is(true));
assertThat("@ComponentScan annotated @Configuration class registered directly against " +
"AnnotationConfigApplicationContext did not trigger component scanning as expected",
ctx.containsBean("simpleComponent"), is(true));
}