用filter时遇到的问题,急死了,请高手解答一下

Question

HttpServletRequest request = (HttpServletRequest) arg0;
HttpServletResponse response = (HttpServletResponse) arg1;
String url = request.getRequestURI();
int index = url.lastIndexOf("/");
url = url.substring(index + 1);
// logger.info("url========="+url);
if (url.matches(".{3,40}-\\d{4}")) {
response.sendRedirect("/workProject/finduser.do");
}  else {
// logger.info("直接过滤");
arg2.doFilter(arg0, arg1);
}

Answer 1

finduser.do
String loginAccount=request.getParameter("id");
// logger.info("loginAccount===="+loginAccount);
UserService us=new UserServiceImpl();
User user=us.findUser(loginAccount);
if(user!=null){
request.getSession().setAttribute("user", user);
return mapping.findForward("goLoginFolderJsp");
}else{
return  mapping.findForward("goLoginFolderErrorJsp");
}