日期:2014-05-16 浏览次数:20485 次
<html> <head> </head> <script> /************************************************** 我写的部分,setconfig就是新生成一个DIV 然后用Drag.init(document.getElementById( "message ")); 使用封装类的函数(让它拖动) 这个时候无效了??? 代码可执行,大家帮我看看 **************************************************/ function setConfig() { var str = " " + " <div id=message " + "style= " + "width:50; " + "height:60; " + "background-color:lightyellow; " + "> " + "ddd " + " </div> " //生成 DIV //document.body.insertAdjacentHTML( "beforeEnd ", str); document.write(str); //通过DRAG使 DIV可以拖动,在静态DIV通过测试,可是对于这个动态生成的DIV,没有起作用 } window.onload = function (){ setConfig(); Drag.init(document.getElementById( "message ")); } /************************************************** 下面是封装的拖动类 **************************************************/ var Drag = { obj : null, init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper) { alert( "进入DRAG类,没起作用 "); o.onmousedown = Drag.start; o.hmode = bSwapHorzRef ? false : true ; o.vmode = bSwapVertRef ? false : true ; o.root = oRoot && oRoot != null ? oRoot : o ; if (o.hmode && isNaN(parseInt(o.root.style.left ))) o.root.style.left = "0px "; if (o.vmode && isNaN(parseInt(o.root.style.top ))) o.root.style.top = "0px "; if (!o.hmode && isNaN(parseInt(o.root.style.right ))) o.root.style.right = "0px "; if (!o.vmode && isNaN(parseInt(o.root.style.bottom))) o.root.style.bottom = "0px "; o.minX = typeof minX != 'undefined ' ? minX : null; o.minY = typeof minY != 'undefined ' ? minY : null; o.maxX = typeof maxX != 'undefined ' ? maxX : null; o.maxY = typeof maxY != 'undefined ' ? maxY : null; o.xMapper = fXMapper ? fXMapper : null; o.yMapper = fYMapper ? fYMapper : null; o.root.onDragStart = new Function(); o.root.onDragEnd = new Function(); o.root.onDrag = new Function(); }, start : function(e) { var o = Drag.obj = this; e = Drag.fixE(e); var y = parseInt(o.vmode ? o.root.style.top : o.root.style.bottom); var x = parseInt(o.hmode ? o.root.style.left : o.root.style.right ); o.root.onDragStart(x, y); o.lastMouseX = e.clientX; o.lastMouseY = e.clientY; if (o.hmode) { if (o.minX != null) o.minMouseX = e.clientX - x + o.minX; if (o.maxX != null) o.maxMouseX = o.minMouseX + o.maxX - o.minX; } else { if (o.minX != null) o.maxMouseX = -o.minX + e.clientX + x; if (o.maxX != null) o.minMouseX = -o.maxX + e.clientX + x; } if (o.vmode) { if (o.minY != null) o.minMouseY = e.clientY - y + o.minY; if (o.maxY != null) o.maxMouseY = o.minMouseY + o.maxY - o.minY; } else { if (o.minY != null) o.maxMouseY = -o.minY + e.clientY + y; if (o.maxY != null) o.minMouseY = -o.maxY + e.clientY + y; } document.onmousemove = Drag.drag; document.onmouseup = Drag.end; return false; }, drag : function(e) { e = Drag.fixE(e); var o = Drag.obj; var ey = e.clientY; var ex = e.clientX; var