springmvc使用aop心得

第一步：创建aop拦截类：

@Component
@Aspect
public class ControllerSelectorInterceptor {
    @Before("execution(* com.my.test..*.*Controller.*(..))")  
    public void doBefore(JoinPoint jp) {
        StringBuffer method = new StringBuffer();
        method.append(jp.getTarget().getClass().getName()).append(".").append(jp.getSignature().getName());
        Object[] args = jp.getArgs();
        
        HttpServletRequest request = null;
        for(Object arg : args){
            if(arg instanceof HttpServletRequest){
                request = (HttpServletRequest)arg;
            }
        }
    } 

     @After("execution(* com.my.test..*.*Controller.*(..))")
     public void doAfter(JoinPoint jp) {  
        Object[] args = jp.getArgs();
        StringBuffer method = new StringBuffer();
        method.append(jp.getTarget().getClass().getName()).append(".").append(jp.getSignature().getName());
        
        HttpServletRequest request = null;
        for(Object arg : args){
            if(arg instanceof HttpServletRequest){
                request = (HttpServletRequest)arg;
            }
        }
        String account = request.getParameter("accountName");
     } 
}

第二步：在配置文件中加入以下配置：

    <aop:aspectj-autoproxy  proxy-target-class="true" />

注：aop的详细介绍可以参考：http://www.360doc.com/content/11/1103/09/4280915_161262623.shtml