userexitloginaction.java

网上书店代码实现文件的上传下载功能购书管理书的功能

package action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

/**
 * @作者:邓子云
 * 退出登录,控制器类
 */
public class userExitLoginAction extends Action{
    /**
     * 在此方法中处理HTTP请求数据，并作响应
     */
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response) throws Exception {
        request.getSession().setAttribute("user_name",null);
        request.getSession().setAttribute("user_id",null);
        return mapping.findForward("firstpage");  
    }
}