首页 »Javascript教程 » iefirefox兼容性:IE/FireFox具备兼容性的拖动代码 »正文iefirefox兼容性:IE/FireFox具备兼容性的拖动代码来源: 发布时间:星期六, 2008年12月27日 浏览:18次 评论:0
特点:
1、兼容 IE6、FF、Opear(IE7还没有机会测试) 2、拖动流畅 3、起点和终点的间有过渡使移动更平滑(可调) 演示 /* Author:misshjn HomePage:http://www.happyshow.org Date:2007-04-30 拖动开始 */ function _getStyle(element,styleProp){ (element.currentStyle){ var y = element.currentStyle[styleProp]; } (window.getComputedStyle){ var y = document.defaultView.getComputedStyle(element,null).getPropertyValue(styleProp.replace(/([A-Z])/g,"-$1").toLowerCase); } y; } function _elementOnmouseDown(evt,blockID){ var obj, temp; obj=document.getElementById(blockID); var x = evt.clientX || evt.pageX; var y = evt.clientY || evt.pageY; obj.startX=x-obj.offLeft; obj.startY=y-obj.offTop; var d = document.createElement("div"); d.style.position = "absolute"; d.style.width = obj.clientWidth + parseInt(_getStyle(obj,"borderLeftWidth"),10) + parseInt(_getStyle(obj,"borderRightWidth")) -2 + "px"; d.style.height = obj.clientHeight + parseInt(_getStyle(obj,"borderTopWidth"),10) + parseInt(_getStyle(obj,"borderBottomWidth")) -2 + "px"; d.style.border = "1px dashed #666"; d.style.top = _getStyle(obj,"top"); d.style.left = _getStyle(obj,"left"); d.style.zIndex = "9999"; document.body.appendChild(d); document.onmousemove=function(evt){ d.style.left= (evt?evt.pageX:event.clientX) - obj.startX + "px"; d.style.top= (evt?evt.pageY:event.clientY) - obj.startY + "px"; }; document.onmouseup=function{ var objL = parseInt(_getStyle(obj,"left"),10); var objT = parseInt(_getStyle(obj,"top"),10); var obj2L = parseInt(d.style.left,10); var obj2T = parseInt(d.style.top,10); var todolist = ; var level = 10; //元素移动从起点到终点的间过渡级数,大于0整数 var speed = 10; //毫秒每次移动间隔时间数字越大动画感越强但跳跃感也越大 for (i=1; i<=level; i){ todolist.push(function(t){ Timeout(function{ obj.style.left = objL + (obj2L-objL)*(t/level) + "px"; obj.style.top = objT + (obj2T-objT)*(t/level) + "px"; (ti)todolist=null; },speed*arguments[0]); }); } for (i=1; i<=level; i){ todolist[i-1](i); } document.body.removeChild(d); document.onmousemove = null; document.onmouseup = null; }; } /* 拖动结束 */ 0
相关文章
读者评论发表评论 |
|