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[Java教程]JS+CSS打造可拖动的聊天窗口层(兼容)

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html ="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<meta http-equiv="content-script-type" content="text/javascript">
<meta http-equiv="content-style-type" content="text/css">
<title>DoDi Chat v1.0 Beta</title>
<style rel="stylesheet" type="text/css" media="all" />...
<!--
body {...}{
text-align:left;
margin:0;
font:normal 12px Verdana, Arial;
background:#FFEEFF
}
form {...}{
margin:0;
font:normal 12px Verdana, Arial;
}
table,input {...}{
font:normal 12px Verdana, Arial;
}
a:link,a:visited{...}{
text-decoration:none;
color:#333333;
}
a:hover{...}{
text-decoration:none;
color:#FF6600
}
#main {...}{
width:400px;
position:absolute;
left:600px;
top:100px;
background:#EFEFFF;
text-align:left;
filter:Alpha(opacity=90)
}
#ChatHead {...}{
text-align:right;
padding:3px;
border:1px solid #003399;
background:#DCDCFF;
font-size:11px;
color:#3366FF;
cursor:move;
}
#ChatHead a:link,#ChatHead a:visited, {...}{
font-size:14px;
font-weight:bold;
padding:0 3px
}
#ChatBody {...}{
border:1px solid #003399;
border-top:none;
padding:2px;
}
#ChatContent {...}{
height:200px;
padding:6px;
overflow-y:scroll;
word-break: break-all
}
#ChatBtn {...}{
border-top:1px solid #003399;
padding:2px
}
-->
</style>
<script language="javascript" type="text/javascript">...
<!--
function $(d)...{return document.getElementById(d);}
function gs(d)...{var t=$(d);if (t)...{return t.style;}else...{return null;}}
function gs2(d,a)...{
if (d.currentStyle)...{
var curVal=d.currentStyle[a]
}else...{
var curVal=document.defaultView.getComputedStyle(d, null)[a]
}
return curVal;
}
function ChatHidden()...{gs("ChatBody").display = "none";}
function ChatShow()...{gs("ChatBody").display = "";}
function ChatClose()...{gs("main").display = "none";}
function ChatSend(obj)...{
var o = obj.ChatValue;
if (o.value.length>0)...{
$("ChatContent").innerHTML += "<strong>Akon说:</strong>"+o.value+"<br/>";
o.value='';
}
}

if (document.getElementById)...{
(
function()...{
if (window.opera)...{ document.write("<input type='hidden' id='Q' value=' '>"); }

var n = 500;
var dragok = false;
var y,x,d,dy,dx;

function move(e)
...{
if (!e) e = window.event;
if (dragok)...{
d.style.left = dx + e.clientX - x + "px";
d.style.top = dy + e.clientY - y + "px";
return false;
}
}

function down(e)...{
if (!e) e = window.event;
var temp = (typeof e.target != "undefined")?e.target:e.srcElement;
if (temp.tagName != "HTML"|"BODY" && temp.className != "dragclass")...{
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
}
if('TR'==temp.tagName)...{
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
}

if (temp.className == "dragclass")...{
if (window.opera)...{ document.getElementById("Q").focus(); }
dragok = true;
temp.style.zIndex = n++;
d = temp;
dx = parseInt(gs2(temp,"left"))|0;
dy = parseInt(gs2(temp,"top"))|0;
x = e.clientX;
y = e.clientY;
document.onmousemove = move;
return false;
}
}

function up()...{
dragok = false;
document.onmousemove = null;
}

document.onmousedown = down;
document.onmouseup = up;

}
)();
}
-->
</script>
</head>

<body>
<div id="main" class="dragclass" style="left:600px;top:300px;">
<div id="ChatHead">
<a href="#" onclick="ChatHidden();">-</a>
<a href="#" onclick="ChatShow();">+</a>
<a href="#" onclick="ChatClose();">x</a>
</div>
<div id="ChatBody">
<div id="ChatContent"></div>
<div id="ChatBtn">
<form action="" name="chat" method="post">
<textarea name="ChatValue" rows="3" style="width:350px"></textarea>
<input name="Submit" type="button" value="Chat" onclick="ChatSend(this.form);" />
</form>
</div>
</div>
</div>

</body>
</html>