跳轉(zhuǎn)不到失敗的頁面啊，
跳轉(zhuǎn)不到失敗的頁面啊，通過過濾器跳轉(zhuǎn)不到啊，老師您好
初生牛犢zjh
2015-09-11
4 回答
舉報
0/150
提交
取消
2015-09-11
你把源代碼發(fā)出來看看
2016-01-02
因為輸入錯誤的時候 session為空即username==null，所以直接執(zhí)行response.sendRedirect("login.jsp");
2015-09-11
在web.xml中的配置沒問題嗎？
2015-09-11
public?void?doFilter(ServletRequest?arg0,?ServletResponse?arg1, FilterChain?arg2)?throws?IOException,?ServletException?{ HttpServletRequest?request=?(HttpServletRequest)?arg0; HttpServletResponse?response=?(HttpServletResponse)?arg1; System.out.println("過濾器啟動"); if(request.getSession().getAttribute("usename")!=null){ System.out.println("111111"); arg2.doFilter(arg0,?arg1); }else{ response.sendRedirect("login.jsp"); } System.out.println("關(guān)閉了！??！"); }