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@Lazy
注解来延迟Bean的实例化。这意味着Bean会在首次使用时才被创建,而不是在启动时。这可以帮助解决某些循环依赖的问题。@Service public class ServiceA { private final ServiceB serviceB; @Autowired public ServiceA(@Lazy ServiceB serviceB) { this.serviceB = serviceB; } } @Service public class ServiceB { private final ServiceA serviceA; @Autowired public ServiceB(ServiceA serviceA) { this.serviceA = serviceA; } }
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