SpringBoot自动化装配中,如何解决组件装配顺序

发布时间 2023-07-23 18:33:52作者: yifanSJ

SpringBoot自动化装配中,如果有两个AutoConfiguration,A依赖B,这时ConditionalOnBean如何保证顺序使需要的Bean会提前加载

使用@AutoConfigureAfter, 当几个组件加载完成后,再加载当前组件,如:Nacos服务注册自动配置类加载前需要加载:通用的服务注册配置,服务注册的自动化配置,服务发现的自动化配置;

 

@Configuration(
    proxyBeanMethods = false
)
@EnableConfigurationProperties
@ConditionalOnNacosDiscoveryEnabled
@ConditionalOnProperty(
    value = {"spring.cloud.service-registry.auto-registration.enabled"},
    matchIfMissing = true
)
@AutoConfigureAfter({AutoServiceRegistrationConfiguration.class, AutoServiceRegistrationAutoConfiguration.class, NacosDiscoveryAutoConfiguration.class})
public class NacosServiceRegistryAutoConfiguration {
    ......
}