Util--SessionUtil

/** * Session处理器 *  * @author chenxin * @version [版本号, 2012-5-21] * @see [相关类/方法] * @since [产品/模块版本] */public class SessionUtil {/** * 往session中存放登录信息 *  * @param request * @param loginInfo */public  static void setAttribute(HttpServletRequest request,UserLoginInfo loginInfo){HttpSession session = request.getSession(true);session.setAttribute("userName", loginInfo.getLoginName());session.setAttribute("userPW", loginInfo.getPasswd());}/** * 从session中获取信息 *  * @param request * @param key * @return */public static Object getAttribute(HttpServletRequest request,Serializable key){HttpSession session = request.getSession(false);return session.getAttribute(key.toString());}/** * 往session中存放信息 *  * @param request * @param key * @param value */    public static void setAttribute(HttpServletRequest request,String key ,Object value){                HttpSession session = request.getSession(true);        session.setAttribute(key, value);    }}