在線客服QQ有很多，代碼也不少，這個是基于jquery的浮動客服qq代碼，div+css結構，js代碼只有8行，內容隨意擴展，是現階段比較不錯的浮動客服QQ代碼。
 
<div class="onlineQQ" style="width:120px;position:absolute"><div class="titcon"><em>在線客服</em></div><div class="cont P8"><a target="_blank" ><img border="0" src="http://wpa.qq.com/pa?p=2:123456:41" alt="點擊這里給我發消息" title="點擊這里給我發消息"></a></div></div>

<script type="text/javascript">$(function(){$(".onlineQQ").hide();$(".onlineQQ").css({"top":171+$(window).scrollTop(),"left":$(window).width()/2-500-160});$(window).scroll(function(){var offsetTop=86+$(window).scrollTop()+"px";$(".onlineQQ").animate({top:offsetTop,"left":$(window).width()/2-500-160},{duration:500,queue:false})});$(window).resize(function(){var offsetTop=86+$(window).scrollTop()+"px";$(".onlineQQ").animate({top:offsetTop,"left":$(window).width()/2-500-160},{duration:500,queue:false})});$(".clickclose").click(function(){$(".onlineQQ").hide();});window.setTimeout(showwin,500);//2秒});function showwin(){$(".onlineQQ").fadeIn('slow');}</script>