html文件中,有一段语句是:
<li>
<a href="page.html?i1"><span class="l"></span><span class="r"></span><span class="t">aaaaaaaaaaa</span></a>
</li>
<li>
<a href="page.html?i2"><span class="l"></span><span class="r"></span><span class="t">bbbbbbbbbbb</span></a>
其中<a href="page.html?i2">的“html?i2”、“html?i1”之类的是什么意思?