<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">

    <aop:config>
        <aop:aspect id="aspect1" ref="aspectTest">
            <aop:before pointcut="execution(public String com.test.action.LoginAction.login(..))" method="before"/>
        </aop:aspect>
    </aop:config>
    <bean id="aspectTest" class="com.test.bean.AspectTest"/>
</beans>

    public String login() {
        System.out.println("aaa");
        return SUCCESS;
    }