| 实现 Param.UnnamedParametric 的 org.apache.struts2.components 中的类 | 
 class | 
AppendIterator
 
          Component for AppendIteratorTag, which jobs is to append iterators to form an
 appended iterator whereby entries goes from one iterator to another after each
 respective iterator is exhausted of entries. | 
 class | 
FieldError
 
          Render field errors if they exists. | 
 class | 
MergeIterator
 
          Component for MergeIteratorTag, which job is to merge iterators and successive
 call to the merged iterator will cause each merge iterator to have a chance to
 expose its element, subsequently next call will allow the next iterator to expose
 its element. | 
 class | 
Text
 
          Render a I18n text message. |