<table>
<thead><tr></tr></thead>
<tbody>
<tr class="aaa"></tr>
<tr></tr>
<tr class="aaa"></tr>
<tr></tr>
<tr></tr>
<tr class="aaa"></tr>
<tr></tr>
<tr></tr>
<tr></tr>
<tr class="aaa"></tr>
<tr></tr>
<tr></tr>
<tr></tr>
<tr class="aaa"></tr>
<tr></tr>
</tbody>
</table>
how does xpath extract the tr from each tr [@ class= "aaa"] to the next tr [@ class= "aaa"], and the number of tr nodes between the two tr [@ class= "aaa"] is not fixed.
ask the master to give me some advice. Thank you