js对象拖动
<SCRIPT LANGUAGE="JavaScript"><!--var currentMoveObj = null; //当前拖动对象var relLeft; //鼠标按下位置相对对象位置var relTop;function f_mdown(obj)
{
currentMoveObj = obj; //当对象被按下时，记录该对象 currentMoveObj.style.position = "absolute"; relLeft = event.x - currentMoveObj.style.pixelLeft; relTop = event.y - currentMoveObj.style.pixelTop;
}window.document.onmouseup = function(){ currentMoveObj = null; //当鼠标释放时同时释放拖动对象}function f_move(obj){ if(currentMoveObj != null)
{ currentMoveObj.style.pixelLeft=event.x-relLeft; currentMoveObj.style.pixelTop=event.y-relTop;
}}//--></SCRIPT><BODY><TABLE width="100" border=1 onselectstart="return false" style="position:absolute;left:50;top:50" onmousedown="f_mdown(this)" onmousemove="f_move(this)"><TR> <TD bgcolor="#CCCCCC" align="center" style="cursor:move">title1</TD></TR><TR> <TD align="center" height="60">content</TD></TR></TABLE><TABLE width="100" border=1 onselectstart="return false" style="position:absolute;left:350;top:250" onmousedown="f_mdown(this)" onmousemove="f_move(this)"><TR> <TD bgcolor="#CCCCCC" align="center" style="cursor:move">title2</TD></TR><TR> <TD align="center" height="60">content</TD></TR></TABLE></BODY><html><head><title>_xWin</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><META NAME="Description" CONTENT="http://www.51windows.Net"><style type='text/css'><!--body{font-size:12px;}a:visited{text-decoration:none;color:slategray;}a:hover{text-decoration:underline;color:slategray;}a:link{text-decoration:none;color:slategray;}--></style><script language=JScript><!--//可以打包为js文件;var x0=0,y0=0,x1=0,y1=0;var offx=6,offy=6;var moveable=false;var hover='orange',normal='#336699';//color;var index=10000;//z-index;//开始拖动;function startDrag(obj){ if(event.button==1) { //锁定标题栏; obj.setCapture(); //定义对象; var win = obj.parentNode; var sha = win.nextSibling; //记录鼠标和层位置; x0 = event.clientX; y0 = event.clientY; x1 = parseInt(win.style.left); y1 = parseInt(win.style.top); //记录颜色; normal = obj.style.backgroundColor; //改变风格; obj.style.backgroundColor = hover; win.style.borderColor = hover; obj.nextSibling.style.color = hover; sha.style.left = x1 + offx; sha.style.top = y1 + offy; moveable = true; }}//拖动;function drag(obj){ if(moveable) { var win = obj.parentNode; var sha = win.nextSibling; win.style.left = x1 + event.clientX - x0; win.style.top = y1 + event.clientY - y0; sha.style.left = parseInt(win.style.left) + offx; sha.style.top = parseInt(win.style.top) + offy; }}//停止拖动;function stopDrag(obj){ if(moveable) { var win = obj.parentNode; var sha = win.nextSibling; var msg = obj.nextSibling; win.style.borderColor = normal; obj.style.backgroundColor = normal; msg.style.color = normal; sha.style.left = obj.parentNode.style.left; sha.style.top = obj.parentNode.style.top; obj.releaseCapture(); moveable = false; }}//获得焦点;function getFocus(obj){ if(obj.style.zIndex!=index) { index = index + 2; var idx = index; obj.style.zIndex=idx; obj.nextSibling.style.zIndex=idx-1; }}//最小化;function min(obj){ var win = obj.parentNode.parentNode; var sha = win.nextSibling; var tit = obj.parentNode; var msg = tit.nextSibling; var flg = msg.style.display=="none"; if(flg) { win.style.height = parseInt(msg.style.height) + parseInt(tit.style.height) + 2*2; sha.style.height = win.style.height; msg.style.display = "block"; obj.innerHTML = "0"; } else { win.style.height = parseInt(tit.style.height) + 2*2; sha.style.height = win.style.height; obj.innerHTML = "2"; msg.style.display = "none"; }}//创建一个对象;function xWin(id,w,h,l,t,tit,msg){ index = index+2; this.id = id; this.width = w; this.height = h; this.left = l; this.top = t; this.zIndex = index; this.title = tit; this.message = msg; this.obj = null; this.bulid = bulid; this.bulid();}//初始化;function bulid(){ var str = "" + "<div id=xMsg" + this.id + " " + "style='" + "z-index:" + this.zIndex + ";" + "width:" + this.width + ";" + "height:" + this.height + ";" + "left:" + this.left + ";" + "top:" + this.top + ";" + "background-color:" + normal + ";" + "color:" + normal + ";" + "font-size:8pt;" + "font-family:Tahoma;" + "position:absolute;" + "cursor:default;" + "border:2px solid " + normal + ";" + "' " + "onmousedown='getFocus(this)'>" + "<div " + "style='" + "background-color:" + normal + ";" + "width:" + (this.width-2*2) + ";" + "height:20;" + "color:white;" + "' " + "onmousedown='startDrag(this)' " + "onmouseup='stopDrag(this)' " + "onmousemove='drag(this)' " + "ondblclick='min(this.childNodes[1])'" + ">" + "<span style='width:" + (this.width-2*12-4) + ";padding-left:3px;'>" + this.title + "</span>" + "<span style='width:12;border-width:0px;color:white;font-family:webdings;' onclick='min(this)'>0</span>" + "<span style='width:12;border-width:0px;color:white;font-family:webdings;' onclick='ShowHide(\""+this.id+"\",null)'>r</span>" + "</div>" + "<div style='" + "width:100%;" + "height:" + (this.height-20-4) + ";" + "background-color:white;" + "line-height:14px;" + "word-break:break-all;" + "padding:3px;" + "'>" + this.message + "</div>" + "</div>" + "<div id=xMsg" + this.id + "bg style='" + "width:" + this.width + ";" + "height:" + this.height + ";" + "top:" + this.top + ";" + "left:" + this.left + ";" + "z-index:" + (this.zIndex-1) + ";" + "position:absolute;" + "background-color:black;" + "filter:alpha(opacity=40);" + "'></div>"; document.body.insertAdjacentHTML("beforeEnd",str);}//显示隐藏窗口function ShowHide(id,dis){ var bdisplay = (dis==null)?((document.getElementById("xMsg"+id).style.display=="")?"none":""):dis document.getElementById("xMsg"+id).style.display = bdisplay; document.getElementById("xMsg"+id+"bg").style.display = bdisplay;}//modify by haiwa @ 2005-7-14 //http://www.51windows.Net//--></script><script language='JScript'><!--function initialize(){ var b = new xWin("2",240,200,100,100,"印章窗口","这里面是一个透明的GIF印章图");}window.onload = initialize;//--></script></head><base target="_blank"><body onselectstart='return false' oncontextmenu='return false' ><a onclick="ShowHide('2',null);return false;" href="">加盖印章</a></body></html>
