用border-radius属性来实现圆角功能
border-radius使用案例
<!doctype html><html>
<head>
<meta charset='UTF-8' />
<title>圆角功能</title>
<style type="text/css">
#div1{
border:1px solid #f00
width:200px
height:100px
border-radius:4px<!--(左上角)--> 10px<!--(右上角)--> 20px<!--(右下角)--> 30px<!--(左下角)-->
}
</style>
</head>
<body>
<div id="div1"></div>
</body>
</html>
第一种<html xmlns:v>
<head>
<style>
v\:*{behavior: url(#default#VML)}
</style>
</head>
<body>
<v:roundRect style="position:absoluteleft:20pxtop:50pxwidth:200pxheight:140px" FillColor="#e8e8e8" Filled="T" />
刷新本页才能看到效果
</body>
</html>
======================================
第二种
css圆角效果，IE6, firefox均显示正常
<html>
<head>
<title>css圆角效果--网站每日新</title>
<meta http-equiv="content-type" content="text/htmlcharset=gb2312">
<style type="text/css">
div.RoundedCorner{background: #9BD1FA}
b.rtop, b.rbottom{display:blockbackground: #FFF}
b.rtop b, b.rbottom b{display:blockheight: 1pxoverflow: hiddenbackground: #9BD1FA}
b.r1{margin: 0 5px}
b.r2{margin: 0 3px}
b.r3{margin: 0 2px}
b.rtop b.r4, b.rbottom b.r4{margin: 0 1pxheight: 2px}
</style>
</head>
<body>
<div class="RoundedCorner">
<b class="rtop"><b class="r1"></b><b class="r2"></b><b class="r3"></b><b class="r4"></b></b>
<br>无图片实现圆角框<br><br>
<b class="rbottom"><b class="r4"></b><b class="r3"></b><b class="r2"></b><b class="r1"></b></b>
</div>
</body>
</html>
