求教关于jsp/servlet的有关问题（请一下，不胜感谢)
日期：2014-05-18 浏览次数：20805 次
求教关于jsp/servlet的问题（请高手指点一下，不胜感谢)
<%@ page language= "java " contentType= "text/html; charset=UTF-8 "
pageEncoding= "UTF-8 "%>
<%@ taglib uri= "WEB-INF/struts-html.tld " prefix= "html " %>
<%@ taglib uri= "WEB-INF/struts-logic.tld " prefix= "logic " %>
<%@ taglib uri= "WEB-INF/struts-bean.tld " prefix= "bean " %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN ">
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=UTF-8 ">
<title> 更新用户 </title>
</head>
<body>
<b> 更新用户: </b>
<html:form action= "manageuser.do?mode=updateSave " method= "post " >
<table cellspacing= "0 " cellpadding= "0 " border= "0 " align= "left ">
<tr>
<td> 密码: </td>
<td> <html:text name= "userForm " property= "updateUser.password " > </html:text> </td>
</tr>
<tr>
<td> 角色: </td> <td> <html:text name= "userForm " property= "updateUser.role "> </html:text> </td>
</tr>
<tr>
<td> 姓名: </td> <td> <html:text name= "userForm " property= "updateUser.name "> </html:text> </td>
</tr>
<tr>
<td> 电话: </td> <td> <html:text name= "userForm " property= "updateUser.tel "> </html:text> </td>
</tr>
<tr>
<td> 电子邮件: </td> <td> <html:text name= "userForm " property= "updateUser.email "> </html:text> </td>
</tr>
<tr>
<td> 描述: </td> <td> <html:text name= "userForm " property= "updateUser.description "> </html:text> </td>
</tr>
<tr>
<td> <html:submit property= "Save " value= "确定 "/> <input type= "button " value= "取消 " onclick= "location.href= '/UserManageSystem/manageuser.do ' ">
</td>
</tr>
</table>
</html:form>
</body>
</html>
这个是update_user.jsp布面首先它会显示选择的user信息。然后可以进行修改。
但是点保存出现在以下错误 。
javax.servlet.ServletException: BeanUtils.populate
org.apache.struts.util.RequestUtils.populate(RequestUtils.java:495)
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:805)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:203)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
<%@ page language= "java " contentType= "text/html; charset=UTF-8 "
pageEncoding= "UTF-8 "%>
<%@ taglib uri= "WEB-INF/struts-html.tld " prefix= "html " %>
<%@ taglib uri= "WEB-INF/struts-logic.tld " prefix= "logic " %>
<%@ taglib uri= "WEB-INF/struts-bean.tld " prefix= "bean " %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN ">
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=UTF-8 ">
<title> 更新用户 </title>
</head>
<body>
<b> 更新用户: </b>
<html:form action= "manageuser.do?mode=updateSave " method= "post " >
<table cellspacing= "0 " cellpadding= "0 " border= "0 " align= "left ">
<tr>
<td> 密码: </td>
<td> <html:text name= "userForm " property= "updateUser.password " > </html:text> </td>
</tr>
<tr>
<td> 角色: </td> <td> <html:text name= "userForm " property= "updateUser.role "> </html:text> </td>
</tr>
<tr>
<td> 姓名: </td> <td> <html:text name= "userForm " property= "updateUser.name "> </html:text> </td>
</tr>
<tr>
<td> 电话: </td> <td> <html:text name= "userForm " property= "updateUser.tel "> </html:text> </td>
</tr>
<tr>
<td> 电子邮件: </td> <td> <html:text name= "userForm " property= "updateUser.email "> </html:text> </td>
</tr>
<tr>
<td> 描述: </td> <td> <html:text name= "userForm " property= "updateUser.description "> </html:text> </td>
</tr>
<tr>
<td> <html:submit property= "Save " value= "确定 "/> <input type= "button " value= "取消 " onclick= "location.href= '/UserManageSystem/manageuser.do ' ">
</td>
</tr>
</table>
</html:form>
</body>
</html>
这个是update_user.jsp布面首先它会显示选择的user信息。然后可以进行修改。
但是点保存出现在以下错误 。
javax.servlet.ServletException: BeanUtils.populate
org.apache.struts.util.RequestUtils.populate(RequestUtils.java:495)
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:805)
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:203)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
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