看看代码吧：
dukebanner.html
<table border="0" width="400" cellspacing="0" cellpadding="0">
<tr>
<td height="150" width="150"> </td>
<td width="250"> </td>
</tr>
<tr>
<td width="150"> </td>
<td align="right" width="250">
<img src="duke.waving.gif"> </td>
</tr></table><br>
主JSP文件：hellouser.jsp
<%@ page import="hello.NameHandler" %>
<jsp:useBean id="mybean" scope="page" class="hello.NameHandler" />
<jsp:setProperty name="mybean" property="*" />
<html>
<head><title>Hello, User</title></head>
<body bgcolor="#ffffff" background="background.gif">
<%@ include file="dukebanner.html" %>
<table border="0" width="700">
<tr><td width="150"> </td>
<td width="550">
<h1>My name is Duke. What‘s yours?</h1></td></tr>
<tr><td width="150" </td><td width="550">
<form method="get">
<input type="text" name="username" size="25">
<br>
<input type="submit" value="Submit">
<input type="reset" value="Reset">
</td></tr>
</form>
</table>
<%
If ( request.getParameter("username") != null )
{
%>
<% @ include file="response.jsp" %>
<% }
%>
</body></html>
回应文件：response.jsp
<table border="0" width="700">
<tr>
<td width="150"> </td>
<td width="550">
<h1>Hello, <jsp:getProperty name="mybean" property="username" />!
</h1>
</td>
</tr>
</table>
处理数据的Bean：(namehandler.java)
package hello;
public class NameHandler
{
private String username;
public NameHandler() {
username = null;
}
public void setUsername( String name ) {
username = name;
}
public String getUsername() {
return username;
}
}
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TAG: JSP入门教程