ActionForm中的一个ArrayList, 页面上可以用<html:iterator>实现循环显示, 但是怎么样才能在提交时使页面上这些循环显示的数据自动提交呢?
这里主要用到了common-collection包.
FormBean:
代码
import
java.util.ArrayList;
import
java.util.List;
import
org.apache.commons.collections.Factory;
import
org.apache.commons.collections.list.LazyList;
import
org.apache.struts.action.ActionForm;
import
com.yourcompany.struts.action.UserVo;

public class TestForm extends ActionForm ...
{

public TestForm() ...{
Factory factory = new Factory() ...{ 
public Object create() ...{
return new UserVo();
}
};
this.contents = LazyList.decorate(new ArrayList(), factory);
}
// --------------------------------------------------------- Instance Variables
private List contents;
// --------------------------------------------------------- Methods

public List getContents() ...{
return contents;
}

public void setContents(List contents) ...{
this.contents = contents;
}
}
如上,ActionForm中的构造函数是必须的.
JSP:
代码
<
nested:iterate property
=
"
contents
"
indexId
=
"
index
"
>
<
nested:text property
=
"
year
"
/>
<
nested:text property
=
"
month
"
/><
br
/>
</
nested:iterate
>
ok,就这么简单!
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2018

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