JSPì?×a·?ê?(2)

  String info = (String)request.getAttribute("info"); 

?t￡oresponse.sendRedirect()

        ê??úó??§μ??ˉàà?÷??1¤×÷￡?sendRedirect() ?éò?′?2?êy′?μY￡?±èè?servlet?name=zhangsan

        ???¨?òoó?ú?ˉàà?÷μ??·à?é??á3??????¨?òò3??μ?URL

       ày￡o???¨?òjsp

public void doGet(HttpServletRequest request, HttpServletResponse response) 

            throws ServletException, IOException { 

        response.setContentType("text/html"); 

        response.sendRedirect("jsp/forward.jsp"); 

//?é′?2? 

//response.sendRedirect("jsp/forward.jsp?name=zhangsan"); 

            ???¨?òservlet

public void doGet(HttpServletRequest request, HttpServletResponse response) 

            throws ServletException, IOException { 

        response.setContentType("text/html"); 

        response.sendRedirect("F"); 

        //?é′?μY2?êy 

        //response.sendRedirect("F?name=zhagnsan"); 

    } 

±è??￡o

      a) á??????éò?êμ??ò3??μ?ì?×aforwardê?èY?÷?D????è¨μ?×a?ò￡??ú?í?§???ˉàà?÷μ??·à??D2??á??ê?3?×a?òoóμ?μ??·

        response.sendRedirect()?òê?íêè?μ?ì?×a￡??ˉàà?÷???áμ?μ?ì?×aμ?μ??·￡?2￠??D?·￠?í???óá′?ó￡??a?ù￡?′ó?ˉàà?÷μ?μ??·à??D?éò??′μ?ì?×aoóμ?á′?óμ??·

       b) á??????éò?ì?×aμ?jsp?ò??servlet  ???éò?′?μY2?êy

        μ?response.sendRedirect()ì?×aoóoó??μ?′ú????2??á?ù?′DD

       ày￡o

public void doGet(HttpServletRequest request, HttpServletResponse response) 

            throws ServletException, IOException {