这两天学习aop,运行aspectj的注释示例。
用命令行编译了一下,结果报错,提示是springframework.context jar文件没有导入,实际已经导入了。
重新导入的spring-framework3.2的jar文件,依然同样的报错
下图是导入的相关jar包
personServer.java
public interface personServer {
public void save(String uname,int age);
}
personServerImpl.java
public class personServerImpl implements personServer{
@Override
public void save(String uname, int age) {
// TODO Auto-generated method stub
int a=0;
age= age/a;//打开上面两行报错,可触发异常通知
System.out.println("come in personServerImpl save method...");
}
}
AspectIntercepter.java
import java.util.Arrays;
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.Before;
import org.aspectj.lang.annotation.Pointcut;
public class AspectIntercepter {
@Pointcut(value="execution(*personServerImpl.*(...))")
private void ponitCut() {
}
//环绕通知
@Around(value="pointCut()")
public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable {
System.out.println("Around进入环绕通知");
Object object=pjp.proceed();
System.out.println(pjp.getThis()+"操作结束,推出方法");
return pjp;
}
@Before(value="pointCut()")
public void doAcceseeCheck(JoinPoint joinPoint) {
System.out.println("@before前置通知:"+Arrays.toString(joinPoint.getArgs()));
}
@AfterThrowing(value="pointCut()",throwing="ex")
public void doAfterThrow(JoinPoint joinPoint,Throwable ex) {
System.out.println("@AfterThrowing例外通知"+Arrays.toString(joinPoint.getArgs()));
System.out.println("@AfterThrowing异常信息:"+ex);
}
@After(value="pointCut()")
public void after() {
System.out.println("@After后置通知");
}
@AfterReturning(value="pointCut()")
public void doAfter() {
System.out.println("@AfterReturning最终通知...end");
}
}
aop.xml
<?xml version="1.0" encoding="UTF-8"?>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
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-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">
<!-- 使 AspectJ 的注解起作用 -->
aop:aspectj-autoproxy/aop:aspectj-autoproxy
SpringAopTest.java
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class SpringAopTest {
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext context=new ClassPathXmlApplicationContext("cn/hxex/springcore/aop/aop.xml");
personServer bean=(personServer)context.getBean("personServiceBean");
bean.save("badMonkey", 23);
}
}
查看下是否该文件是否有生成对应的.class文件,我之前遇到类似问题就是这个原因,eclipse导航栏的project设置为自动构建应该就可以了。