include动作
<div id="container"> <jsp:include page="HelloWorld.jsp" flush="true|false"> <jsp:param value="xiaoming" name="username"/> </jsp:include> </div>
flush默认值为false
Forward动作
跳转页面 forward.jsp
<jsp:forward page="another.jsp?username=xiaoming"> <jsp:param value="18" name="age"/> </jsp:forward>
接受页面 another.jsp
<h1>Hello World! <%= request.getParameter("username")%> <br> age is: <%= request.getParameter("age")%> </h1>
跳转页面：forward.jsp
<jsp:forward page="sayHello.jsp"> <jsp:param name="user" value="world"/> <jsp:param name="user" value="George"/> </jsp:forward>
sayhello.jsp
<%@page import="java.util.*"%> <html> <head><title>Say Hello</title></head> <body> <h2><center>Hello, <%=request.getParameter("user")%><br/> The values of parameter user are : <% String[] values = request.getParameterValues("user"); for(int i = 0; i < values.length; i++){ %> <%=values[i]%> <%}%> </center></h2> </body> </html>