非controller获得request和session

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在web.xml配置

<listener>  <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class> </listener>

监听request

在service或者dao中获取HttpServletRequest 的代码如下

HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();

获得request

通常都是要读request中的session,可以做一个工具类

package cn.demo.util;import org.springframework.web.context.request.RequestContextHolder;import org.springframework.web.context.request.ServletRequestAttributes;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpSession;/** * Created by chengcheng on 2017/6/13 0013. */public class SessionUtil {    /**     * 获得session信息     * @return     */    public static HttpSession getSession(){        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder                .getRequestAttributes()).getRequest();        HttpSession httpSession = request.getSession();        return  httpSession;    }}

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