<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>jQuery 版“元素拖拽改变大小”原型 </title> <script type="text/javascript" src="https://www.jb51.net/js/jquery-1.7.1.js"></script> <script type="text/javascript"> /* * jQuery.Resize by wuxinxi007 * Date: 2011-5-14 * blog : */ $(function(){ //绑定需要拖拽改变大小的元素对象 bindResize(document.getElementById('test')); }); function bindResize(el){ //初始化参数 var els = el.style, //鼠标的 X 和 Y 轴坐标 x = y = 0; //邪恶的食指 $(el).mousedown(function(e){ //按下元素后，计算当前鼠标与对象计算后的坐标 x = e.clientX - el.offsetWidth, y = e.clientY - el.offsetHeight; //在支持 setCapture 做些东东 el.setCapture ? ( //捕捉焦点 el.setCapture(), //设置事件 el.onmousemove = function(ev){ mouseMove(ev || event) }, el.onmouseup = mouseUp ) : ( //绑定事件 $(document).bind("mousemove",mouseMove).bind("mouseup",mouseUp) ) //防止默认事件发生 e.preventDefault() }); //移动事件 function mouseMove(e){ //宇宙超级无敌运算中... els.width = e.clientX - x + 'px', els.height = e.clientY - y + 'px' } //停止事件 function mouseUp(){ //在支持 releaseCapture 做些东东 el.releaseCapture ? ( //释放焦点 el.releaseCapture(), //移除事件 el.onmousemove = el.onmouseup = null ) : ( //卸载事件 $(document).unbind("mousemove", mouseMove).unbind("mouseup", mouseUp) ) } } </script> <style type="text/css"> #test{ position:absolute; top:0;left:0; width:200px; height:100px; background:#f1f1f1; text-align:center; line-height:100px; border:1px solid #CCC; cursor:move; } </style> </head> <body> <div>dgdg</div> </body> </html>
jquery拖动改变div大小
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