得不到数据库里的信息……
Action中showLiberInfo方法
public ActionForward showLiberInfo(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
LiberInfo li = (LiberInfo)liberInfoService.findById(1);
HttpSession session = request.getSession(true);
session.setAttribute("li", li);
return mapping.findForward("showLiberInfo");//转向显示信息页面
}
showLiberInfo.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<%@ page import="com.sunyang.liber.po.LiberInfo" %>
<html>
<head>
<title>图书馆管理系统</title>
</head>
<body>
<table border=1 align="center">
<tr>
<td>
图书馆名称
</td>
<td>
图书馆馆长
</td>
<td>
图书馆电话
</td>
<td>
图书馆地址
</td>
<td>
图书馆建立时间
</td>
<td>
图书馆邮箱
</td>
<td>
图书馆网址
</td>
<td>
图书馆简介
</td>
<td>
编辑
</td>
</tr>
<%
if (request.getAttribute("liberInfo") != null) {
LiberInfo li = (LiberInfo) request.getAttribute("liberInfo");
%>
<tr>
<td>
${li.liberName }
</td>
<td>
${li.curator}
</td>
<td>
${li.tel}
</td>
<td>
${li.address }
</td>
<td>
${li.buildDate }
</td>
<td>
${li.email }
</td>
<td>
${li.url }
</td>
<td>
${li.introduce }
</td>
<td>
<a href="sysLiberInfo.do?method=forwardUpdate">修改</a>
</td>
</tr>
<%
}
%>
</table>
</body>
</html>