日期:2014-05-16 浏览次数:20437 次
最近看书,练习下,写了个简单的拖拽
?
<!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>简单拖拽</title> <style type="text/css"> html,body{overflow:hidden;} body,div,h2,p{margin:0;padding:0;} body{color:#fff;background:#000;font:12px/2 Arial;} p{padding:0 10px;margin-top:10px;} span{color:#ff0;padding-left:5px;} #wrapper{position:absolute;width:300px;height:150px;background:#333;border:2px solid #ccc; cursor:move;} </style> </head> <body> <div id="wrapper"> <p>This is a box.</p> </div> </body> </html>?
?
?
<script type="text/javascript"> window.onload = function(){ var oDiv = document.getElementById("wrapper"); var posX,posY; var listener = false; oDiv.onmousedown = function(e){ e = e || window.event; listener = true; posX = e.clientX - parseInt(oDiv.offsetLeft); posY = e.clientY - parseInt(oDiv.offsetTop); return false; }; document.onmousemove = function(e){ e = e || window.event; if (listener == true){ oDiv.style.left = e.clientX - posX + "px"; oDiv.style.top = e.clientY - posY + "px"; } return false; }; document.onmouseup=function(){ listener=false; }; } </script>
?大牛们轻拍,本人菜鸟