spring boot中的注解
示例:
@Configuration
// 检查相关的类:RabbitTemplate 和 Channel是否存在
// 存在才会加载
@ConditionalOnClass({ RabbitTemplate.class, Channel.class })
@EnableConfigurationProperties(RabbitProperties.class)
@Import(RabbitAnnotationDrivenConfiguration.class)
public class RabbitAutoConfiguration {
}注解
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