本文实例讲述了js实现浮动在网页右侧的简洁QQ在线客服代码。分享给大家供大家参考。具体如下：
这是一个简洁版的QQ在线客服，其实重要的是这个JS函数，只要有了这个JS函数，实际上你完全可以写一个这样的在线客服，它是用JS+CSS去控制层的隐藏与展开。注意代码中的QQ号记着要改一下哦。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-float-qq-onlinefk-style-codes/
具体代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>js实现浮动在网页右侧的简洁QQ在线客服</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<style type="text/css">
.qqbox a:link {
color: #000;
text-decoration: none;
}
.qqbox a:visited {
color: #000;
text-decoration: none;
}
.qqbox a:hover {
color: #f80000;
text-decoration: underline;
}
.qqbox a:active {
color: #f80000;
text-decoration: underline;
}
.qqbox{
width:132px;
height:auto;
overflow:hidden;
position:absolute;
right:0;
top:100px;
color:#000000;
font-size:12px;
letter-spacing:0px;
}
.qqlv{
width:25px;
height:256px;
overflow:hidden;
position:relative;
float:right;
z-index:50px;
}
.qqkf{
width:120px;
height:auto;
overflow:hidden;
right:0;
top:0;
z-index:99px;
border:6px solid #138907;
background:#fff;
}
.qqkfbt{
width:118px;
height:20px;
overflow:hidden;
background:#138907;
line-height:20px;
font-weight:bold;
color:#fff;
position:relative;
border:1px solid #9CD052;
cursor:pointer;
text-align:center;
}
.qqkfhm{
width:112px;
height:22px;
overflow:hidden;
line-height:22px;
padding-right:8px;
position:relative;
margin:3px 0;
}
.bgdh{
width:102px;
padding-left:10px;
}
</style>
</head>
<body>
<div class="qqbox" id="divQQbox">
<div class="qqlv" id="meumid" onmouseover="show()"><img src="images/qq.gif"></div>
<div class="qqkf" style="display:none;" id="contentid" onmouseout="hideMsgBox(event)">
<div class="qqkfbt" onmouseout="showandhide('qq-','qqkfbt','qqkfbt','K',1,1);" id="qq-1" onfocus="this.blur();">客 服 中 心</div>
<div id="K1">
<div class="qqkfhm bgdh"> <a href="tencent://message/?uin=2563256" title="悠 然 设 计"><img src="http://wpa.qq.com/pa?p=1:981389008:4" border="0">主机业务</a><br/></div>
<div class="qqkfhm bgdh"> <a href="tencent://message/?uin=365286" title="网页制作"><img src="http://wpa.qq.com/pa?p=1:981389008:4" border="0">租用托管</a></div>
<div class="qqkfhm bgdh">手机：12345692877</div>
</div>
</div>
</div>
<script language="javascript">
function showandhide(h_id,hon_class,hout_class,c_id,totalnumber,activeno) {
var h_id,hon_id,hout_id,c_id,totalnumber,activeno;
for (var i=1;i<=totalnumber;i++) {
document.getElementById(c_id+i).style.display='none';
document.getElementById(h_id+i).className=hout_class;
}
document.getElementById(c_id+activeno).style.display='block';
document.getElementById(h_id+activeno).className=hon_class;
}
var tips;
var theTop = 40;
var old = theTop;
function initFloatTips()
{
tips = document.getElementById('divQQbox');
moveTips();
}
function moveTips()
{
var tt=50;
if (window.innerHeight)
{
pos = window.pageYOffset
}else if (document.documentElement && document.documentElement.scrollTop) {
pos = document.documentElement.scrollTop
}else if (document.body) {
pos = document.body.scrollTop;
}
pos=pos-tips.offsetTop+theTop;
pos=tips.offsetTop+pos/10;
if (pos < theTop){
pos = theTop;
}
if (pos != old) {
tips.style.top = pos+"px";
tt=10; //alert(tips.style.top);
}
old = pos;
setTimeout(moveTips,tt);
}
initFloatTips();
if(typeof(HTMLElement)!="undefined") //firefox定义contains()方法，ie下不起作用
{
HTMLElement.prototype.contains=function (obj)
{
while(obj!=null&&typeof(obj.tagName)!="undefind"){
if(obj==this) return true;
obj=obj.parentNode;
}
return false;
}
}
function show()
{
document.getElementById("meumid").style.display="none"
document.getElementById("contentid").style.display="block"
}
function hideMsgBox(theEvent){
if (theEvent){
var browser=navigator.userAgent;
if (browser.indexOf("Firefox")>0){ //如果是Firefox
if (document.getElementById("contentid").contains(theEvent.relatedTarget)) {
return
}
}
if (browser.indexOf("MSIE")>0 || browser.indexOf("Presto")>=0){
if (document.getElementById('contentid').contains(event.toElement)) {
return;
}
}
}
document.getElementById("meumid").style.display = "block";
document.getElementById("contentid").style.display = "none";
}
</script>
</body>
</html>
希望本文所述对大家的javascript程序设计有所帮助。
