SpirngMVC AOP 用注解方式配置切面及IllegalArgumentException: error at ::0 formal unbound in pointcut 异常分析

<!-- springAOP核心包 --><dependency> ???<groupId>org.springframework</groupId> ???<artifactId>spring-aop</artifactId> ???<version>4.0.2.RELEASE</version></dependency> <!--使用AspectJ方式注解需要相应的包--> <dependency> ?????<groupId>org.aspectj</groupId> ?????<artifactId>aspectjrt</artifactId> ?????<version>1.8.9</version> ?</dependency> ?<dependency> ?????<groupId>org.aspectj</groupId> ?????<artifactId>aspectjweaver</artifactId> ?????<version>1.8.9</version> ?</dependency> 

<beans xmlns="http://www.springframework.org/schema/beans" ??????xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ??????xmlns:context="http://www.springframework.org/schema/context" ??????xmlns:aop="http://www.springframework.org/schema/aop" ??????xmlns:mvc="http://www.springframework.org/schema/mvc" ??????xsi:schemaLocation="http://www.springframework.org/schema/beans ???????????????????????http://www.springframework.org/schema/beans/spring-beans-4.0.xsd ?????????????????????????http://www.springframework.org/schema/context ?????????????????????????http://www.springframework.org/schema/context/spring-context-4.0.xsd ?????????????????????????http://www.springframework.org/schema/mvc ?????????????????????????http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd ???????????????????????http://www.springframework.org/schema/aop ????????????????????????http://www.springframework.org/schema/aop/spring-aop.xsd">

<!-- 启用AsjectJ支持 -->
<aop:aspectj-autoproxy proxy-target-class="true" />

import org.apache.log4j.Logger;import org.aspectj.lang.JoinPoint;import org.aspectj.lang.ProceedingJoinPoint;import org.aspectj.lang.annotation.After;import org.aspectj.lang.annotation.AfterReturning;import org.aspectj.lang.annotation.AfterThrowing;import org.aspectj.lang.annotation.Around;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Before;import org.aspectj.lang.annotation.Pointcut;import org.springframework.stereotype.Component;/** * 采用注解形式进行AOP定义*/@Aspect ???//该标签把LoggerAspect类声明为一个切面@Component //该标签把LoggerAspect类放到IOC容器中public class LogAopAction { ???/** ????* execution:用来匹配执行方法的连接点 ????* A:@Pointcut("execution(* com.aijava.springcode.service..*.*(..))") ????* 第一个*表示匹配任意的方法返回值，..(两个点)表示零个或多个，上面的第一个..表示service包及其子包,第二个*表示所有类,第三个*表示所有方法，第二个..表示方法的任意参数个数 ????* B:@Pointcut("within(com.aijava.springcode.service.*)") ????* within限定匹配方法的连接点,上面的就是表示匹配service包下的任意连接点 ????* C:@Pointcut("this(com.aijava.springcode.service.UserService)") ????* this用来限定AOP代理必须是指定类型的实例，如上，指定了一个特定的实例，就是UserService ????* D:@Pointcut("bean(userService)") ????* bean也是非常常用的,bean可以指定IOC容器中的bean的名称 ????* @within(org.springframework.stereotype.Service)，拦截带有 @Service 注解的类的所有方法 　　* @annotation(org.springframework.web.bind.annotation.RequestMapping)，拦截带有@RquestMapping的注解方法 ????*/ ???@Pointcut("execution(* com.cn.xxx..*.*(..))")//把指定包路径下所有方法都进行匹配 ???private void pointCut() { ???} ???/** ????* 方法开始执行 ????*/ ???@Before("pointCut()") ???public void doBefore(JoinPoint point) { ???????Class clazz = point.getTarget().getClass(); ???????String targetName = clazz.getSimpleName(); ???????String methodName = point.getSignature().getName(); ???????????????Logger logger = Logger.getLogger(clazz); ???????Object[] args = point.getArgs(); ???????StringBuilder formatLog = new StringBuilder( ???????????????"进入方法 " + clazz.getPackage().getName() + targetName + "." + methodName + ",参数是:"); ???????for (Object ignored : args) { ???????????formatLog.append("{},"); ???????} ???????logger.info(formatLog.toString()+args); ???}/** ????* 方法结束执行后的操作 ????*/ ???@AfterReturning(pointcut = "pointCut()", returning = "returnVal") ???public void doAfter(JoinPoint point, Object returnVal) { ???????Class clazz = point.getTarget().getClass(); ???????String targetName = clazz.getSimpleName(); ???????String methodName = point.getSignature().getName(); ???????String logString = "退出方法： " + targetName + "." + methodName + ",返回结果是: " + returnVal; ???????Logger logger = Logger.getLogger(clazz); ???????logger.info(logString); ???} ???/** ????* 方法有异常时的操作 ????*/ ???@AfterThrowing(pointcut = "pointCut()", throwing = "error") ???public void doAfterThrow(JoinPoint point, Throwable error) { ???????Class clazz = point.getTarget().getClass(); ???????String targetName = clazz.getSimpleName(); ???????String methodName = point.getSignature().getName(); ???????Logger logger = Logger.getLogger(clazz); ???????String logString = " 异常发生在方法： " + targetName + "." + methodName + ",异常为 : "; ???????logger.error(logString, error); ???} ???/** ????* AOP环绕方法执行 ????* @param pjp ????* @return ????* @throws Throwable ????*/ ???@Around("pointCut()") ???public void around(ProceedingJoinPoint proceedingJoinPoint) throws Throwable { ???????try ????????{ ???????????proceedingJoinPoint.proceed(); ???????}catch (Exception e) { ???????????e.toString(); ???????} ???????????}}