jsp动作标签
<jsp:forward> 转发标签
等价于:
request.getRequestDispatcher("路径").forward(request,response);
<jsp:param> 参数标签
<jsp:include> 包含标签(动态包含)
静态包含: <%@include file=""%>
动态包含: <jsp:include page=""/>
原理:request.getRequestDispacher("被包含的页面").include(request,response);