JS弹出可以移动的DIV

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JavaScript

JavaScript HTML

html代码如下：
<html>
<head>
<title>可拖动DIV</title>
<script type="text/javascript">
function showProc(){
message_box.style.visibility='visible';
//创建灰色背景层
procbg = document.createElement("div");
procbg.setAttribute("id","mybg");
procbg.style.background = "#000";
procbg.style.width = "100%";
procbg.style.height = "100%";
procbg.style.position = "absolute";
procbg.style.top = "0";
procbg.style.left = "0";
procbg.style.zIndex = "500";
procbg.style.opacity = "0.3";
procbg.style.filter = "Alpha(opacity=30)";

//背景层加入页面
document.body.appendChild(procbg);
document.body.style.overflow = "hidden";
}

//拖动
function drag(obj){
var s = obj.style;
var b = document.body;
var x = event.clientX + b.scrollLeft - s.pixelLeft;
var y = event.clientY + b.scrollTop - s.pixelTop;

var m = function(){
if(event.button == 1){
s.pixelLeft = event.clientX + b.scrollLeft - x;
s.pixelTop = event.clientY + b.scrollTop - y;
}else {
document.detachEvent("onmousemove", m);
}
}

document.attachEvent("onmousemove", m)

if(!this.z)
this.z = 999;
s.zIndex = ++this.z;
event.cancelBubble = true;
}

function closeProc(){
message_box.style.visibility='hidden';
procbg.style.visibility = "hidden";
}
</script>
</head>
<body>
<input type="button" value="弹出可拖动DIV" onclick="showProc();" />
<div id="message_box" style="position:absolute;
left:10%;top:10%;width:80%;height:80%;
filter:dropshadow(color=#666666,offx=3,offy=3,positive=2);
z-index:1000;
visibility:hidden">
<div id= "message" style="border:#036 solid; border-width:1 1 3 1;
width:95%; height:95%;
background:#fff; color:#036; font-size:12px; line-height:150%;">

<div style="background:#666; height:5%;
font-family:Verdana, Arial, Helvetica, sans-serif;
font-size:12px; padding:3 5 0 5; color:#fff"
onmousedown="drag(message_box);return false">
<span style="display:inline;width:150px;position:absolute;font-size:200%">标题项</span>
<span onClick="closeProc();" style="float:right;display:inline;cursor:hand;font-size:200%">×</span>
</div>
具体内容，可以是表格也可以是DIV
</div>
</div>
</body>
</html>

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js获取对象的绝对坐标 | java序列化Serializable

2011-06-17 10:57
浏览 1428
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分类:Web前端
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