javasript 实现div圆角【2】,JavaScript

运行代码框
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">  <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=gb2312"> <STYLE>BODY { FONT-SIZE: 12px; COLOR: #333333; TEXT-ALIGN: center } .round { DISPLAY: inline; MARGIN: 5px; WIDTH: 200px; BACKGROUND-COLOR: lightblue } </STYLE> <META content="MSHTML 6.00.2900.2802" name=GENERATOR></HEAD> <BODY> <DIV id=title style="MARGIN: 5px; WIDTH: 500px; BACKGROUND-COLOR: #e9afdf"> <DIV style="PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; PADDING-TOP: 3px">自动圆角函数<BR>作者</DIV></DIV> <DIV class=round id=round1> <DIV style="PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; PADDING-TOP: 3px">样式1</DIV></DIV> <DIV class=round id=round2> <DIV style="PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; PADDING-TOP: 3px">样式2</DIV></DIV><BR> <DIV class=round id=round3> <DIV style="PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; PADDING-TOP: 3px">样式3</DIV></DIV> <DIV class=round id=round4> <DIV style="PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; PADDING-TOP: 3px">样式4</DIV></DIV> <DIV id=a style="MARGIN: 5px; WIDTH: 500px; BACKGROUND-COLOR: #e9afdf"> <DIV style="PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; PADDING-TOP: 3px">说明:<BR>RoundCorner("欲圆角的元素ID" [, 圆角样式 ]);<BR>圆角样式:可选参数,暂时有4种 </DIV></DIV> <script> RoundCorner("round1",1); RoundCorner("round2",2); RoundCorner("round3",3); RoundCorner("round4",4); RoundCorner("a",1); RoundCorner("title",1); function RoundCorner(obj,style) { /******** 网页元素圆角函数!! 作者: Longbill 主页:www.longbill.cn ********/ var r = []; var styles = [ {top:["0 5px","0 3px","0 2px","0 1px","0 1px"],bottom:["0 1px","0 1px","0 2px","0 3px","0 5px"]}, {top:["0 5px","0 3px","0 2px","0 1px","0 1px"],bottom:["0px","0px","0px","0px","0px"] }, {top:["0 0 0 5px","0 0 0 3px","0 0 0 2px","0 0 0 1px","0 0 0 1px"],bottom:["0 1 0 0px","0 1 0 0px","0 2 0 0px","0 3 0 0px","0 5 0 0px"]}, {top:["0 5 0 0px","0 3 0 0px","0 2 0 0px","0 1 0 0px","0 1 0 0px"],bottom:["0 0 0 1px","0 0 0 1px","0 0 0 2px","0 0 0 3px","0 0 0 5px"]} ]; //author: longbill.cn if (!style || style>styles.length) style = 1; style--; var btop = styles[style].top,bbottom = styles[style].bottom; obj = document.getElementById(obj); if (!obj) return; var HTML = obj.innerHTML; obj.innerHTML = ""; for(var istop=1;istop>=0;istop--) { var topborder = document.createElement("b"); topborder.style.display = "block"; topborder.style.height = "2px"; topborder.style.backgroundColor = (obj.parentNode.style.backgroundColor)?obj.parentNode.style.backgroundColor:"#FFFFFF"; for(var i=0;i<btop.length;i++) { var b = document.createElement("b"); if (obj.style.backgroundColor) b.style.backgroundColor = obj.style.backgroundColor; else if (obj.className) b.className = obj.className; b.style.display = "block"; b.style.margin = (istop)?btop[i]:bbottom[i]; b.style.height = "1px"; b.style.overflow = "hidden"; b.style.width = "auto"; topborder.appendChild(b); } obj.appendChild(topborder); if (istop) obj.innerHTML+=HTML; } } </script> </BODY></HTML>
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