我在一个项目中使用 Stripes,遇到了我无法理解的情况。在我的操作 bean 中,我有一个对象列表(用于设置应用程序配置参数),在 jsp 中,我为每个对象动态创建输入字段。对于正常的编辑,一切正常,但是如果我尝试设置一个字段来清空对象值,那么它仍然是以前的值。我已经广泛地查看了代码,并且确信我们编写的任何代码都没有完成它。当我调试时,我可以看到我的对象的 setValue() 方法正在为所有配置对象调用,除了空白的配置对象,而不是使用我所期望的空字符串调用 setValue。
有谁知道 Stripes 是否正在做一些影响这一点的事情?
谢谢
代码片段:
对象代码:
public class Configuration implements Serializable {
@Id
@Basic(optional = false)
@Column(name = "id", nullable = false)
private Integer id;
@Basic(optional = false)
@Column(name = "name", nullable = false, length = 100, updatable = false)
private String name;
@Basic(optional = true)
@Column(name = "value", nullable = true, length = 200)
private String value;
...
public void setValue(String value) {
//This is never called when I empty my input field
this.value = value;
}
...
}
动作豆代码:
public class ConfigActionBean extends BaseActionBean {
private List<Configuration> allConfigurationEntries;
@Before(stages = LifecycleStage.BindingAndValidation)
public void rehydrate() {
allConfigurationEntries = configurationService.getAllEntries();
}
@DefaultHandler
public Resolution view() {
return new ForwardResolution(
"/WEB-INF/jsp/admin/configuration.jsp");
}
public Resolution Save() {
configurationService.saveAllEntries(allConfigurationEntries,is);
return new RedirectResolution(ConfigActionBean.class,"view");
}
public void setAllConfigurationEntries(
List<Configuration> allConfigurationEntries) {
this.allConfigurationEntries = allConfigurationEntries;
}
public List<Configuration> getAllConfigurationEntries() {
return allConfigurationEntries;
}
...
}
查看 JSP 代码:
...
<c:forEach items="${actionBean.allConfigurationEntries}" var="items" varStatus="loop">
<div>
<s:label for="allConfigurationEntries[${loop.index}].value">${items.name}</s:label>
<s:text id="${items.name}" name="allConfigurationEntries[${loop.index}].value" value="${items.value}" />
</div>
</c:forEach>
...