请先登录后发表评论

用filter过滤器 然后再配置package Filter;import ;import ;import ;import ;import ;import ;import ;import ;import ;import ;import ;public class LoginFilter implements Filter { public void destroy() { // TODO Auto-generated method stub } public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain chain) throws IOException, ServletException { HttpServletRequest req = (HttpServletRequest)arg0; HttpServletResponse resp = (HttpServletResponse)arg1; HttpSession ss = (); Object obj = ("user"); if(obj!=null){ (arg0, arg1); }else{ PrintWriter out = (); (""); (); } } public void init(FilterConfig arg0) throws ServletException { // TODO Auto-generated method stub }} LoginFilter LoginFilter /manage/*