args

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@Aspect
public class UserServiceAspect {

@Before("args(java.lang.String, java.lang.String)")
public void beforeArgs() {
System.out.println("需要登陆");
}
}
public interface IUserService {

public void login(String username, String password);

public void register(String username, String nickName, String password);

}
public class UserServiceImpl implements IUserService {

public void login(String username, String password) {
System.out.println(String.format("用户登陆: username: %s password: %s", username, password));
}

public void register(String username, String nickName, String password) {
System.out.println(String.format("用户注册: username: %s nickName: %s password: %s", username, nickName, password));
}

}
<bean id="userService" class="com.jilinwula.spring.aop.UserServiceImpl"/>
<bean class="com.jilinwula.spring.annotation.UserServiceAspect"/>
<aop:aspectj-autoproxy/>
@Test
public void test() {
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("bean.xml");
IUserService userService = applicationContext.getBean("userService", IUserService.class);
userService.register("admin", "吉林乌拉", "jilinwula");
userService.login("admin", "jilinwula");
}
用户注册: username: admin nickName: 吉林乌拉 password: jilinwula

需要登陆 用户登陆: username: admin password: jilinwula