3.jsp:forward动作:
jsp:forward动作是跳转到另外的页面。
例 4.3.1
jsp1.jsp:
<jsp:forward page="jsp2.jsp">
<jsp:param name="name" value="mark-to-win" />
</jsp:forward>
jsp2.jsp
<body>
name is <%=request.getParameter("name")%>
</body>
更多请看:https://blog.csdn.net/qq_44594371/article/details/103168037