有沒有人有任何想法是什麼問題與我的jsp。當我嘗試打印值時,我得到的值爲null
。如果您不確定,請提出任何問題。我正在使用一個bean。Javabean jsp null
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<%@ page import="java.util.*" %>
<%@ page import="bean.BookingBean"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Output.jsp</title>
</head>
<body>
<h1>Get Value from BookingBean</h1>
<jsp:useBean id="formData" class="bean.BookingBean" scope ="session">
</jsp:useBean>
<TABLE BORDER=1>
<tr><td>Receipt No: ....</td><td><jsp:getProperty name="formData" property="firstName" />   <jsp:getProperty name="formData" property="surName"/></td>
<td><jsp:getProperty name="formData" property="email" /></td>
</tr>
<tr><td>Promotional Code: <jsp:getProperty name="formData" property="promo" /></td>
<td><jsp:getProperty name="formData" property="date" /></td>
<td><jsp:getProperty name="formData" property="location" /> <jsp:getProperty name="formData" property="time" /></td>
</tr>
<tr><td>Adults:<jsp:getProperty name="formData" property="adult" /><br>
Children's: <jsp:getProperty name="formData" property="children" /> <br>
OAP: <jsp:getProperty name="formData" property="oap" /> </td>
<TD COLSPAN=2><h3>Total Price: £......</h3></td>
</tr>
</table>
</body>
</html>
您能否發佈您的BookingBean.java源代碼? – BernardMarx 2012-02-10 12:41:59
你是否在所有情況下都有空值?你如何確定你的成員實際上沒有空值?你在哪裏初始化formData bean? – 2012-02-10 13:03:26
發佈你的stacktarce – Abhij 2012-02-10 13:05:20