1.: forward转发请求to another resource (可能是jsp, html,等).
语法:
<jsp:forward page="relativeURL | <%= expression %>" />
Syntax of jsp:forward action tag with parameter
<jsp:forward page="relativeURL | <%= expression %>">
<jsp:param name="parametername" value="parametervalue | <%=expression%>" />
</jsp:forward>
<%@ include是静态包含
<jsp:include动态包含
[JSP] Action Tags
原文地址：https://www.cnblogs.com/zienzir/p/9139495.html