@Import
@Import 注解:@Configuration public class ConfigA { @Bean public A a() { return new A(); } }@Configuration @Import(ConfigA.class) public class ConfigB { @Bean public B a() { return new A(); } }public static void main(String[] args) { ApplicationContext ctx = new AnnotationConfigApplicationContext(ConfigB.class); // now both beans A and B will be available... A a = ctx.getBean(A.class); B b = ctx.getBean(B.class); }
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