摘要：
Spring AOP 手动配置通知类前置通知import java.lang.reflect.Method;import org.springframework.aop.BeforeAdvice;public class GreetingBeforAdvice implements MethodBe... 阅读全文
摘要：
JDK的动态代理,只适用面向接口编程定义接口public interface UserService { public void buy(String userName); public String Say(String words);}实现类public class UserServiceImp... 阅读全文