Conditional系列注解

基础

位置：org.springframework.context.annotation

@Target({ElementType.TYPE, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Conditional {
    Class[] value();
}

SpringBoot的条件注解

位置：org.springframework.boot.autoconfigure.condition

类目

• ConditionalOnBean
• ConditionalOnClass
• ConditionalOnCloudPlatform
• ConditionalOnExpression
• ConditionalOnJava
• ConditionalOnJndi
• ConditionalOnMissingBean
• ConditionalOnMissiongClass
• ConditionalOnNotWebApplication
• ConditionalOnProperty
• ConditionalOnResource
• ConditionalOnSingleCandidate
• ConditionalOnWebApplication