SpringMVC拦截器

package com.hzlssd.company.interceptor;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;

import org.springframework.web.servlet.ModelAndView;

public class SomeInterceptor implements HandlerInterceptor{

@Override

public void afterCompletion(HttpServletRequest arg0,

HttpServletResponse arg1, Object arg2, Exception arg3)

throws Exception {

System.out.println("请求处理完成后调用");

}

@Override

public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,

Object arg2, ModelAndView arg3) throws Exception {

System.out.println("处理器执行后调用");

}

@Override

public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1,

Object arg2) throws Exception {

System.out.println("处理器执行前调用");

return true;

}

}

SpringMVC拦截器

<!-- 拦截器 配置-->

<mvc:interceptors>

<mvc:interceptor>

<mvc:mapping path="/login/*"/>

<mvc:exclude-mapping path="/admin/*"/>

<bean class="com.hzlssd.company.interceptor.SomeInterceptor"/>

</mvc:interceptor>

<!-- 多个拦截器配置使用 -->

<!-- 

<mvc:interceptor>

<mvc:mapping path="/**"/>

<mvc:exclude-mapping path="/login/*"/>

<bean class="com.hzlssd.company.interceptor.LoginInterceptor"/>

</mvc:interceptor>

-->

</mvc:interceptors>