使用Java为递归xpath节点解析xml

Question

I have xml with a repeating node structure within single node. How do I parse all the values by level?

<Totallevel>3</Totallevel>
<A>
  <B>text</B>
  <level>1</level>
  <A>
    <B>text</B>
    <level>2</level>
    <A>
      <B>text</B>
      <level>3</level>
    </A>
  </A>
</A>

Answer 1

That would allow you to specify level

//A[level='2']

If you need to get value from B than example is here for level 2

//A[level='2']/B

Answer 2

Parse your xml with DocumentBuilder so that you can get the Document . Iterates then using getChildNodes() method from the root down to leaf