1.springMVC中拦截器实现这个接口implements HandlerInterceptor

第一个拦截器：

public class MyInterceptor1 implements HandlerInterceptor{

 public void afterCompletion(HttpServletRequest arg0,
   HttpServletResponse arg1, Object arg2, Exception arg3)
   throws Exception {
  System.out.println("=======> my interceptor1 :afterCompletion() ");
 }

 public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
   Object arg2, ModelAndView arg3) throws Exception {
  // TODO Auto-generated method stub
  System.out.println("=======> my interceptor1:postHandle() ");
 }

 public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1,
   Object arg2) throws Exception {
  System.out.println("=======> my interceptor1:preHandle() ");
  return true;
 }

}

第二个拦截器：

public class MyInterceptor2 implements HandlerInterceptor{

	public void afterCompletion(HttpServletRequest arg0,
			HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		System.out.println("=======> my interceptor2:afterCompletion() ");
	}

	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
			Object arg2, ModelAndView arg3) throws Exception {
		// TODO Auto-generated method stub
		System.out.println("=======> my interceptor2:postHandle() ");
	}

	public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1,
			Object arg2) throws Exception {
		System.out.println("=======> my interceptor2:preHandle()");
		return true;
	}

}

2.在springmvc的配置文件中

<mvc:interceptors>
			<mvc:interceptor>
				<mvc:mapping path="/**"/>
				<bean class="com.lifeng.interceptor.MyInterceptor1" />
			</mvc:interceptor>
			
			<mvc:interceptor>
				<mvc:mapping path="/**"/>
				<bean class="com.lifeng.interceptor.MyInterceptor2" />
			</mvc:interceptor>
			
					</mvc:interceptors>

3.执行顺序：

=======> my interceptor1:preHandle()
 =======> my interceptor2:preHandle()
 .......
 =======> my interceptor2:postHandle()
 =======> my interceptor1:postHandle()
 =======> my interceptor2:afterCompletion()
 =======> my interceptor1 :afterCompletion()