最近有同事提到类似网页右下角的消息悬浮提示框的制作。我之前也做过一个类似的例子，很简单。是仿QQ消息。现在感觉之前的那个例子只是说了实现原理，整体上给你的感觉还是太丑，今天为大家带来一个新的例子。是Discuz右下角悬浮层提示的。运行效果如下：
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery实现网页右下角悬浮层提示</title>
<style type="text/css">
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
body{font:12px/180% Arial, Helvetica, sans-serif, "新宋体";}
/* pop */
#pop{background:#fff;width:260px;border:1px solid #e0e0e0;font-size:12px;position:fixed;right:10px;bottom:10px;}
#popHead{line-height:32px;background:#f6f0f3;border-bottom:1px solid #e0e0e0;position:relative;font-size:12px;padding:0 0 0 10px;}
#popHead h2{font-size:14px;color:#666;line-height:32px;height:32px;}
#popHead #popClose{position:absolute;right:10px;top:1px;}
#popHead a#popClose:hover{color:#f00;cursor:pointer;}
#popContent{padding:5px 10px;}
#popTitle a{line-height:24px;font-size:14px;font-family:'微软雅黑';color:#333;font-weight:bold;text-decoration:none;}
#popTitle a:hover{color:#f60;}
#popIntro{text-indent:24px;line-height:160%;margin:5px 0;color:#666;}
#popMore{text-align:right;border-top:1px dotted #ccc;line-height:24px;margin:8px 0 0 0;}
#popMore a{color:#f60;}
#popMore a:hover{color:#f00;}
</style>
</head>
<body style="height:1200px;">
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript">
(function($j){
$j.positionFixed = function(el){
$j(el).each(function(){
new fixed(this)
})
return el;
}
$j.fn.positionFixed = function(){
return $j.positionFixed(this)
}
var fixed = $j.positionFixed.impl = function(el){
var o=this;
o.sts={
target : $j(el).css('position','fixed'),
container : $j(window)
}
o.sts.currentCss = {
top : o.sts.target.css('top'),
right : o.sts.target.css('right'),
bottom : o.sts.target.css('bottom'),
left : o.sts.target.css('left')
}
if(!o.ie6)return;
o.bindEvent();
}
$j.extend(fixed.prototype,{
ie6 : $.browser.msie && $.browser.version < 7.0,
bindEvent : function(){
var o=this;
o.sts.target.css('position','absolute')
o.overRelative().initBasePos();
o.sts.target.css(o.sts.basePos)
o.sts.container.scroll(o.scrollEvent()).resize(o.resizeEvent());
o.setPos();
},
overRelative : function(){
var o=this;
var relative = o.sts.target.parents().filter(function(){
if($j(this).css('position')=='relative')return this;
})
if(relative.size()>0)relative.after(o.sts.target)
return o;
},
initBasePos : function(){
var o=this;
o.sts.basePos = {
top: o.sts.target.offset().top - (o.sts.currentCss.top=='auto'?o.sts.container.scrollTop():0),
left: o.sts.target.offset().left - (o.sts.currentCss.left=='auto'?o.sts.container.scrollLeft():0)
}
return o;
},
setPos : function(){
var o=this;
o.sts.target.css({
top: o.sts.container.scrollTop() + o.sts.basePos.top,
left: o.sts.container.scrollLeft() + o.sts.basePos.left
})
},
scrollEvent : function(){
var o=this;
return function(){
o.setPos();
}
},
resizeEvent : function(){
var o=this;
return function(){
setTimeout(function(){
o.sts.target.css(o.sts.currentCss)
o.initBasePos();
o.setPos()
},1)
}
}
})
})(jQuery)
function Pop(title,url,intro){
this.title=title;
this.url=url;
this.intro=intro;
this.apearTime=1000;
this.hideTime=500;
this.delay=10000;
//添加信息
this.addInfo();
//显示
this.showDiv();
//关闭
this.closeDiv();
}
Pop.prototype={
addInfo:function(){
$("#popTitle a").attr('href',this.url).html(this.title);
$("#popIntro").html(this.intro);
$("#popMore a").attr('href',this.url);
},
showDiv:function(time){
if (!($.browser.msie && ($.browser.version == "6.0") && !$.support.style)) {
$('#pop').slideDown(this.apearTime).delay(this.delay).fadeOut(400);;
} else{//调用jquery.fixed.js,解决ie6不能用fixed
$('#pop').show();
jQuery(function($j){
$j('#pop').positionFixed()
})
}
},
closeDiv:function(){
$("#popClose").click(function(){
$('#pop').hide();
}
);
}
}
</script>
<script type="text/javascript" >
//页面加载调用
window.onload=function(){
//使用参数：1.标题，2.链接地址，3.内容简介
new Pop("这里是标题，哈哈",
"http://www.php.cn",
"php中文网");
}
</script>
<div id="pop" style="display:none;">
<div id="popHead"> <a id="popClose" title="关闭">关闭</a>
<h2>温馨提示</h2>
</div>
<div id="popContent">
<dl>
<dt id="popTitle"><a href="www.php.cn" target="_blank">这里是标题</a></dt>
<dd id="popIntro">这里是内容简介</dd>
</dl>
<p id="popMore"><a href="www.php.cn" target="_blank">查看 »</a></p>
</div>
</div>
<div style="text-align:center;clear:both">
<p>php中文网</p>
<p><a href="www.php.cn" target="_blank">php中文网</a></p>
</div>
</body>
</html>
