sustain/src/main/java/net/happyonroad/spring/config/AbstractAppConfig.java
protected <T> void exports(Class<T> serviceClass, T service) {
        exporter.exports(serviceClass, service);
    }
protected <T> void exports(Class<T> serviceClass, T service) {
        exporter.exports(serviceClass, service);
    }
protected < T > void exports ( Class < T > serviceClass , T service ) { exporter . exports ( serviceClass , service ) ; }
<h2>暴露某个服务(hint = default)</h2>

@param serviceClass 需要暴露的服务接口
@param service      实际的服务实例（不能为空)
@param <T>          服务的类型
<h2 > 暴露某个服务 ( hint = default ) < / h2 >