XPath学习11：self

Posted 2022-10-05 zhanglinfei

self  选取当前节点

self选取当前节点，单独使用没有什么意思，主要是跟其他轴一起使用，如ancestor-or-self，descendant-or-self.

     //CCC/self::*    

   <AAA> 
      <BBB> 
          <CCC/> 
          <ZZZ> 
               <DDD/> 
               <DDD> 
                    <EEE/> 
               </DDD> 
          </ZZZ> 
          <FFF> 
               <GGG/> 
          </FFF> 
     </BBB> 
     <XXX> 
          <DDD> 
               <EEE/> 
               <DDD/> 
               <CCC/> 
               <FFF/> 
               <FFF> 
                    <GGG/> 
               </FFF> 
          </DDD> 
     </XXX> 
     <CCC> 
          <DDD/> 
     </CCC> 
   </AAA>