找在IE下实现css3效果的圆角时找到的一个实例，没有测试，不知道使用起来怎么样，有兴趣的朋友可以自己试一下:复制代码代码如下: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>在线演示 - LHGCALENDAR</title><script type="text/javascript" src="http://www.qiuzhiquan.com/images/DD_roundies_min.js"></script><script type="text/javascript">DD_roundies.addRule(".websjy1", "5px 20px 3px 10px", true);DD_roundies.addRule(".websjy2", "5px", true);DD_roundies.addRule(".websjy3", "1000px", true);</script><body><h3>效果1</h3><div style="border:1px solid #CCCCCC; width:200px; height:200px; background:#66FFFF; margin-bottom:10px;" class="websjy1">32423</div><h3>效果2</h3><div style="border:1px solid #CCCCCC; width:200px; height:200px; background:#EEE; margin-bottom:10px;" class="websjy2">32423</div><h3>效果3</h3><div style="border:1px solid #CCCCCC; width:200px; height:200px; background:#ff0000; margin-bottom:10px;" class="websjy3">32423</div></body></html>预览效果：http://www.websjy.com/club/websjy_index/53/ 