[求助]关于servlet的问题?

Question

RequestDispatcher dispatcher=getServletContext().getRequestDispatcher("/*.jsp")
dispatcher.forward(request,responst)
就可以

Answer 1

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;public class TestServlet extends HttpServlet
{
public void doPost( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException
{
HttpSession session = request.getSession(  );
session.setAttribute( "test", "testValue" );
response.sendRedirect( "JspGetSessionFromServletTest.jsp" );
System.out.println( "has redirect!" );
}

public void doGet( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException
{
doPost( request, response );
}
}
---------------------------------------------------------------
<%
String s = (String)session.getAttribute( "test" );
%>
<%=s%>

Answer 2

也可以用HttpSession,代码如下:
HttpSession s = request.getSession();
s.setAttribute("beanobject", "sample");String s = (String)(pageContext.getSession().getAttribute(objectid));

Answer 3

用getSession()方法
HttpSession s = request.getSession();