XPath实例教程十二、parent轴

parent轴(axis)包含上下文节点的父节点, 如果有父节点的话

//DDD/parent::*

选择DDD元素的所有父节点

     <AAA>
          <BBB>
               <DDD>
                    <CCC>
                         <DDD/>
                         <EEE/>
                    </CCC>
               </DDD>
          </BBB>
          <CCC>
               <DDD>
                    <EEE>
                         <DDD>
                              <FFF/>
                         </DDD>
                    </EEE>
               </DDD>
          </CCC>
     </AAA>