package com.ICT.AFC.user.actions;import org.apache.struts.action.*;import javax.servlet.http.*;import javax.servlet.ServletContext;import javax.sql.DataSource;import com.ICT.AFC.DB.DB;import com.ICT.AFC.user.beans.*;public class roleListAction extends Action {  public ActionForward execute(ActionMapping Mapping,                               ActionForm Form,                               HttpServletRequest Request,                               HttpServletResponse Response) throws Exception {    HttpSession session = Request.getSession();    ServletContext context = servlet.getServletContext();    DataSource dataSource = (DataSource) context.getAttribute("contract");    String PageForward = "roleList";    DB db = new DB(dataSource);    Request.setAttribute("ROLELIST", RoleOperate.SearchRole(db));   //角色集合放置Request中方便頁面顯示  db.close();  return (Mapping.findForward(PageForward));}}