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fixedBox固定div漂浮代码 支持ie6以上大部分浏览器

2014-06-25 21:20 561 查看


fixedBox固定div漂浮代码 支持ie6以上大部分浏览器

<!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>fixedBox</title>

<script id="xcore" type="text/javascript" src="http://www.haiqiancun.com/xWidget-0.1/xcore.js"></script>

<style>

*{margin:0px;padding:0px;} body{height:3000px;}

</style>

<script>

$(function() { $(".fixedBox").each(function() {

var self = $(this);

var id = self.attr("id") || 'fixedBox_' + Math.round(Math.random() * 100000); self.attr("id", id);

var fb = $("#" + id);

var mt = Math.floor(fb.css("margin-top").substring(2, 0)) || 0;

var cd = $('<div style="height:' + fb.outerHeight() + 'px;display:none;' + fb.attr("style") + '"> </div>'); fb.after(cd); fb.css({

'z-index': 999

}).data({

'top': fb.offset().top,

'left': fb.offset().left,

'width':fb.width()

});

$(window).scroll(function() {

var pt = fb.data('top');

var pl = fb.data('left');

var w = fb.data('width');

var st = $(document).scrollTop() - 10;

var h = $(document).height();

if (st > pt || st == pt) { cd.show();

if ((st + self.outerHeight()) > h) {

self.css({

position: 'fixed',

top: (h - (st + self.outerHeight())),

width:w

});

} else {

self.css({

position: 'fixed',

top: 0 - mt,

width:w

});

}

} else {

cd.hide();

self.css({

position: 'relative',

top: 0,

width:w

});

}

})

})

})

</script>

</span>

</head>

<body>

<div style="width:90%;margin:0px auto;">

<div class="fixedBox" style="width:100%;overflow:hidden;background:#fff; font-size:12px;background:#ccc;">

<script> $(function(){ $(".fixedBox").each(function(){

var self= $(this); var id = self.attr("id")||'fixedBox_'+Math.round(Math.random()*100000);

self.attr("id",id); var fb = $("#"+id); var mt = Math.floor(fb.css("margin-top").substring(2,0))||0;

var cd = $('<div style="width:100%;height:'+fb.outerHeight()+'px;display:none;'+fb.attr("style")+'"> </div>');

fb.after(cd); fb.css({'z-index':999}).data({'top':fb.offset().top,'left':fb.offset().left});

$(window).scroll(function(){ var pt = fb.data('top'); var pl = fb.data('left');

var st = $(document).scrollTop()-10; var h = $(document).height(); if(st>pt||st==pt){

cd.show(); if((st+self.outerHeight())>h){ self.css({position:'fixed',top:(h-(st+self.outerHeight()))});

}else{ self.css({position:'fixed',top:0-mt}); } }else{ cd.hide(); self.css({position:'relative',top:0});

} }) }) }) </script>

</div>

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</div>

</body>

</html>

修改了滚动时宽度改变

修改时间2014年06月28日

原文http://www.haiqiancun.com/bbs/bbsPage/20140620170743/0/detail/20130727223854/1
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