AjaxFormLoop 在提交后不填充新创建的表单元素的值
有人可以指出在表单提交期间代码中的何时/何处，ajaxformloop 复制了新添加的行结果 我指的是以下示例代码 - http://jumpstart.doublenegative.com.au/jumpstart/examples/ajax/formloop1
我有一个类似的代码，以下是我的 ValueEncoder
@Log
public ValueEncoder<Promotion> getPromotionEncoder() {
return new ValueEncoder<Promotion>() {
@Log
public String toClient(Promotion promo) {
log.debug("toClient id="+promo.getId());
if (promo.getId() == 0)
{
return NEW_PROMOTION;
}
return new Long(promo.getId()).toString();
}
@Log
public Promotion toValue(String id) {
log.debug("toValue id="+id);
Promotion promotion = null;
if (id.equals(NEW_PROMOTION))
{
promotion = new Promotion();
newPromotions.add(promotion);
}
else
{
promotion = crudService.findUniqueWithNamedQuery(Promotion.BY_ID,
QueryParameters.with("id", new Long(id).longValue()).parameters());
}
return promotion == null? new Promotion(): promotion;
}
};
}
当表单提交后调用 onSuccess() 方法时，我无法访问我存储的新创建的行的值在上面的 toValue() 方法中的 newPromotions 中。
感谢对此的任何帮助。
Can someone please point out when/where in the code during the form submission, ajaxformloop copies the newly added row results
I'm referring to the following example code -
http://jumpstart.doublenegative.com.au/jumpstart/examples/ajax/formloop1
I've a similar code, following is my ValueEncoder
@Log
public ValueEncoder<Promotion> getPromotionEncoder() {
return new ValueEncoder<Promotion>() {
@Log
public String toClient(Promotion promo) {
log.debug("toClient id="+promo.getId());
if (promo.getId() == 0)
{
return NEW_PROMOTION;
}
return new Long(promo.getId()).toString();
}
@Log
public Promotion toValue(String id) {
log.debug("toValue id="+id);
Promotion promotion = null;
if (id.equals(NEW_PROMOTION))
{
promotion = new Promotion();
newPromotions.add(promotion);
}
else
{
promotion = crudService.findUniqueWithNamedQuery(Promotion.BY_ID,
QueryParameters.with("id", new Long(id).longValue()).parameters());
}
return promotion == null? new Promotion(): promotion;
}
};
}
When onSuccess() method is called after the form submission, I can't access the values of the newly created rows which I store in newPromotions in the toValue() method above.
Appreciate any help on this.
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评论（1）
你在 toClient 中的比较是错误的：
当你实例化一个新的促销时，它的 ID 很可能不是零，而是 NULL。
Jumpstart ValueEncoder 是这样做的：
因此你的 toValue 方法也会失败:)
Your comparison in toClient is wrong:
when you instantiate a new Promotion, it's ID is most likely not zero, but NULL.
The Jumpstart ValueEncoder is doing it like this:
Therefore your toValue method fails too :)