定义5个html分别为index.html main.html 1.html 2.html 3.html 4.html
index.html
//head和body标签就省略不写了
<frameset cols="20%,*">
<frame src="main.html" name="left_main" />
<frame src="" name="right_main" />
</frameset>
main.html
<script type="text/javascript">
function showRight(this){
window.parent.right_main.src = "this.id.html";
}
</script>
<div><a href="javascript:void(0)" id="1" onclick="showRight(this)">1</a></div>
<div><a href="javascript:void(0)" id="2" onclick="showRight(this)">2</a></div>
<div><a href="javascript:void(0)" id="3" onclick="showRight(this)">3</a></div>
<div><a href="javascript:void(0)" id="4" onclick="showRight(this)">4</a></div>
1234.html就按照你自己的要求设计了本回答被提问者采纳