链接新窗口打开或者已经打开窗口刷新实例页面

HTML代码：

<ul>
    <li><a href="blank.html" target="blank.html">空白页</a></li>
    <li><a href="blank.html?s=1" target="blank.html?s=1">空白页?s=1</a></li>
    <li><a href="blank.html?s=2" target="blank.html?s=2">空白页?s=2</a></li>
</ul>