关于带注释的控制器的Spring AOP建议 [英] Spring AOP Advice on Annotated Controllers

问题描述

我试图在带注释的控制器之后使用AOP进行一些处理.一切都在正常运行，但没有执行建议.

I am trying to use AOP to do some processing after an annotated controller. Everything is running with no errors, but the advice is not being executed.

这是控制器代码:

@Controller
public class HomeController {       
    @RequestMapping("/home.fo")
    public String home(ModelMap model) {
        model = new ModelMap();
        return "home";
    }   
}

以及application-config中的设置

and the setup in application-config

<aop:aspectj-autoproxy/>

<bean id="testAdvice" class="com.test.TestAdvice">
</bean>

<bean id="testAdvisor"
    class="org.springframework.aop.aspectj.AspectJExpressionPointcutAdvisor">
    <property name="advice" ref="testAdvice" />
    <property name="expression" value="execution(* *.home(..))" />
</bean>

和实际建议

public class TestAdvice implements AfterReturningAdvice {

    protected final Log logger = LogFactory.getLog(getClass());

    public void afterReturning(Object returnValue, Method method, Object[] args,
            Object target) throws Throwable {
        logger.info("Called after returning advice!");
    }
}

是否甚至可以对带注释的控制器提出建议?我正在使用Spring 2.5.

Is it even possible to have advice on annotated controllers? I am using Spring 2.5.

推荐答案

有可能对带注释的控制器提出建议.

It's possible to have advice on annotated controllers.

我假设您想在用@Controller注释的类中执行所有方法之后提出建议.

I assume you want to advice after execution of all methods in classes annotated with @Controller.

这是一个例子:

import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;

@Aspect
public class ControllerAspect {

    @Pointcut("within(@org.springframework.stereotype.Controller *)")
    public void controllerBean() {}

    @Pointcut("execution(* *(..))")
    public void methodPointcut() {}

    @AfterReturning("controllerBean() && methodPointcut() ")
    public void afterMethodInControllerClass() {
        System.out.println("after advice..");
    }
}

如果您想将Spring AOP与AspectJ语法一起使用，则还需要这样的配置文件:

If you want to use Spring AOP with AspectJ syntax, you also need a configuration file like this:

<?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/aop 
            http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
            http://www.springframework.org/schema/beans 
            http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">

    <bean id="controllerAspect" class="controller.ControllerAspect" />

    <aop:aspectj-autoproxy>
        <aop:include name="controllerAspect" />
    </aop:aspectj-autoproxy>
</beans>

注意:使用Spring AOP时，Spring容器将仅编织Spring bean.如果@Controller对象不是Spring bean，则必须使用AspectJ编织.

Note: With Spring AOP, the Spring container will only weave Spring beans. If the @Controller object isn't a Spring bean, you must use AspectJ weaving.

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