<jsp:forward page="xxx">
<jsp:param name="xx" value="xxx"></jsp:param>
</jsp:forward>
req.sendRedirect("xx");或者
this.getServletConfig().getServletContext().getRequestDispatcher("xx").forward(req.resp);
<jsp:param name="xx" value="xxx"></jsp:param>
</jsp:forward>
req.sendRedirect("xx");或者
this.getServletConfig().getServletContext().getRequestDispatcher("xx").forward(req.resp);

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