js css 构建滚动边框

浏览数：21 / 时间：2015年06月09日

注：预览效果请点击result选项卡,个人认为这种效果非常适合做友情链接.

完整代码

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" 
content="text/html; charset=utf-8" 
/>
    <title>边框虚线旋转</title>
    <style type="text/css" 
charset="utf-8">
        .coop-list {
            position: relative;
            width: 60%;
            overflow: hidden;
            margin: 20px;
        }
 
        .topBorder-move {
            position: relative;
            left: -1500px;
            width: 3000px;
            border-top: 2px dashed 
#DADDE1;
        }
 
        .bottomBorder-move {
            position: relative;
            left: -1500px;
            width: 4000px;
            border-bottom: 2px dashed 
#DADDE1;
        }
 
        .leftBorder-move {
            position: absolute;
            top: -1500px;
            width: 1px;
            height: 4000px;
            border-left: 2px dashed 
#DADDE1;
        }
 
        .rightBorder-move {
            position: absolute;
            right: 0;
            top: -1500px;
            width: 1px;
            height: 3000px;
            border-right: 2px dashed 
#DADDE1;
        }
    </style>
</head>
 
<body>
    <div class="coop-list">
        <div class="topBorder-move" 
id="J_borTop"></div>
        <div class="leftBorder-move" 
id="J_borLeft"></div>
        <div> 转啊转啊转啊转</div>
        <div class="rightBorder-move" 
id="J_borRight"></div>
        <div class="bottomBorder-move" 
id="J_borBottom"></div>
    </div>
 
    <script>
        var 
getStyleValue = function 
(ele, attr) {
            var 
doc = document;
            var 
style = ele.currentStyle || doc.defaultView.getComputedStyle(ele, null);
            return 
parseInt(style[attr].replace(/px/g, ""));
        };
 
        var 
$G = function 
(id) {
            return 
document.getElementById(id);
        };
 
        (function 
() {
            var 
borTop = $G("J_borTop"),
                 borBottom = $G("J_borBottom"),
                 borLeft = $G("J_borLeft"),
                 borRight = $G("J_borRight"),
                 left = getStyleValue(borTop, ‘left‘),
                 top = getStyleValue(borLeft, ‘top‘);
 
            setInterval(function 
() {
                if 
(left < 0) {
                    left += 2;
                    borRight.style.top = left + "px";
                    borTop.style.left = left + "px";
                } else 
{
                    left = -1500
                };
 
                if 
(top > -3000) {
                    top -= 2;
                    borBottom.style.left = top + "px";
                    borLeft.style.top = top + "px";
                } else 
{
                    top = -1500
                };
            }, 60);
        })();
    </script>
</body>
</html>