Spring Annotation @ConditionalOnProperty spring doc解释 @Conditional: Indicates that a component is only eligible for registration when all specified conditions match.(ways: type-level, meta-annotation, method-level) @ConditionalOnProperty: Conditional…
Spring boot中有个注解@ConditionalOnProperty,这个注解能够控制某个configuration是否生效. 具体操作是通过其两个属性name以及havingValue来实现的,其中name用来从application.properties中读取某个属性值,如果该值为空,则返回false; 如果值不为空,则将该值与havingValue指定的值进行比较,如果一样则返回true;否则返回false.如果返回值为false,则该configuration不生效:为true则…
http://stackoverflow.com/questions/26394778/what-is-purpose-of-conditionalonproperty-annotation **************************************************** I just modified spring boot configuration, and encountered @ConditionalOnProperty(prefix = "spring.so…