logoutaction.java

这个是完整的wap项目的源码 开发语言 Java 系统架构 Struts + hibernate + spring 数据库 Mysql5.0 应用服务器Tomcat5.0 开发工具 MyEc

package com.longtime.wap.frame.web.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.springframework.web.struts.ActionSupport;

import com.longtime.wap.common.WapConstant;
import com.longtime.wap.frame.common.UserSessionVO;

/**
 * 处理用户注销请求的action
 * 
 * @author bulc
 * @date 2007-11-1
 */
public class LogoutAction extends ActionSupport {
	private static final Log LOGGER = LogFactory.getLog(LogoutAction.class);

	/**
	 * 处理用户注销请求的方法
	 * 
	 * @param mapping
	 *            action mapping对象
	 * @param form
	 *            表单对象
	 * @param request
	 *            request对象
	 * @param response
	 *            response对象
	 * @return 转向页面
	 * @throws Exception
	 * 				异常
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		HttpSession session = request.getSession();
		try {
			UserSessionVO usVo = (UserSessionVO) session
					.getAttribute(WapConstant.USER_SESSION);
			if (null != usVo) {
				LOGGER.info(usVo.getNickName() + "退出WAP系统!");
			}
		} catch (Exception ex) {
			LOGGER.error(ex);
			ex.printStackTrace();
		} finally {
			// 删除用户session中的user session vo对象
			session.removeAttribute(WapConstant.USER_SESSION);
		}
		return mapping.findForward("success");
	}
}