我有一个条纹操作页面。和页面加载时,我想通过从一个对象(即setOriginalAssignee(userAction.getAssignee()))中分配它来保存原始的受权人,以便万一如果对象的字段受让人被更改,我将执行一些计算。这是我行动的bean:隐藏的字段在绑定条带时变为null actionbean
视图-details.jsp页面@UrlBinding("/action/view-details.page")
public class ActionListViewPage extends CustomAction {
.
.
.
private static final String ACTION_LIST_VIEW = "/action/view-details.jsp";
private static final String ACTION_HOME_PAGE="/action/dashboard.page";
private SecurityPerson originalAssignee;
private UserAction userAction;
public UserAction getUserAction() {
return userAction;
}
public void setUserAction(UserAction userAction) {
this.userAction = userAction;
}
public SecurityPerson getOriginalAssignee() {
return originalAssignee;
}
public void setOriginalAssignee(SecurityPerson originalAssignee) {
this.originalAssignee = originalAssignee;
}
@DefaultHandler
public Resolution showUserAction() {
if(userAction==null){
flash("error", "Can't find the the specified User action.");
return new RedirectResolution(ACTION_HOME_PAGE);
}
setOriginalAssignee(userAction.getAssignee());// This one works fine and assigns the the assignee to originalAssignee for future reference
return new ForwardResolution(ACTION_LIST_VIEW);
}
public Resolution saveUserAction() {
try {
if(!originalAssignee.equals(userAction.getAssignee())){
userAction.setStatusEnum(StatusEnum.RE_ASSIGNED);
userAction.setAssignedBy(getCurrentUser(getRequest()));
userAction.setAssignedTimestamp(new Date());
}
if (userAction.getStatusEnum() == null) {
userAction.setStatusEnum(FinAidActionStatusEnum.UNASSIGNED);
}
userAction.save();
flash("ok", "User Action change has been saved to the database. ");
}
catch (Exception e) {
flash("error", "Error saving UserAction./n " + e.getMessage());
}
return new RedirectResolution(ACTION_HOME_PAGE);
}
}
部分看起来像这样
<stripes:form beanclass="${actionBean.class}" name="actionListForm" id="actionListForm" method="POST"
action="view-details.page?saveUserAction=1"
style="padding-left:20px;">
**<stripes:hidden name="originalAssignee"/>**
<tr>
<td align="left"> Assign to:</td>
<td align="right">
<stripes:select name="userAction.assignee" value="${actionBean.userAction.assignee}"
onchange="$('actionListForm').submit();">
<stripes:option value=""> </stripes:option>
<stripes:options-collection collection="${actionBean.assigneeList}"
label="person.name"/>
</stripes:select>
</td>
</br> </br>
</tr>
<tr>
<td>
Status:
</td>
<td>
<stripes:select name="userAction.statusEnum" onchange="$('actionListForm').submit();"
value="${actionBean.userAction.statusEnum}">
<stripes:option value=""> </stripes:option>
<stripes:options-enumeration enum="uiowa.maui.biz.finaid.enums.FinAidActionStatusEnum"/>
</stripes:select>
</td>
</tr>
<stripes:hidden name="userAction"/>
</stripes:form>
正如你可以从我的代码,我用隐藏变量保持originalAssignee看到...但当调用saveUserAction方法时,它说原始的Assignee为null。我不应该找出原因。我应该对Forward或Redirect解决方案做出改变吗?
参考:userAction是一个hibernate持久对象。 谢谢。
您是否已验证隐藏字段是否在表单中正确设置?要么查看源代码或将其更改为文本字段? – clmarquart 2012-04-04 13:11:45
这就是当我看到源文件时我有的 然而,当我将“value =”$ {actionBean.originalAssignee}“”添加到隐藏的变量..它工作得很好。我不知道为什么原始代码不起作用,但至少现在它解决了这个问题。 – WowBow 2012-04-04 16:41:43