Posted in Javascript onAugust 30, 2014
源码如下:
<style type="text/css"> *{margin:0;padding:0;} body{height:2000px;} .floatAd{width:124px;height:299px; text-align:center; position:fixed;margin-left:0;top:109px; _position:absolute; background:url(//img.jbzj.com/demoimg/2014/bg_slide2_120_270.png) no-repeat;} .floatAd a{display:block;} .floatAd img{border:none;} .floatAd .closeAd{width:50px; height:20px; display:block; cursor:pointer;margin:9px 0 0 auto;} .flAd{left:0;} .frAd{right:0;} </style> <div class="floatAd flAd"> <a href="#" target="_blank"><img src="#" width="120" height="270" alt="第1张图"></a> <span class="closeAd"></span> </div> <div class="floatAd frAd"> <a href="#" target="_blank"><img src="#" width="120" height="270" alt="第2张图"></a> <span class="closeAd"></span> </div> <script type="text/javascript"> $(".closeAd").click(function(){ $(this).parent(".floatAd").hide(); }) /*for ie6*/ function scrollAd(obj) { var obj = "." + obj; var adTop = $(".floatAd").offset().top; //alert(adTop); $(window).scroll(function () { $(".floatAd").css({ top : $(window).scrollTop() + adTop }) }) } $(function () { //针对ie6,模拟position:fixed效果 if ($.browser.msie && parseInt($.browser.version) == 6) { scrollAd("floatAd"); } }) </script>
我们还可以改下代码,实现“单边展示飘浮广告,多个广告轮播展示”的效果,更改后的源代码:
<style type="text/css"> *{margin:0;padding:0;} body{height:2000px;} .floatAd{width:124px;height:299px; text-align:center; position:fixed;margin-left:0;top:109px;right:0; _position:absolute; background:url(//img.jbzj.com/demoimg/2014/bg_slide2_120_270.png) no-repeat;} .floatAd a{display:block;} .floatAd img{border:none;} .floatAd .closeAd{width:50px; height:20px; display:block; cursor:pointer;margin:9px 0 0 auto;} </style> <div class="floatAd"> <a href="#" target="_blank"><img src="#" width="120" height="270" alt="第3张图"></a> <a href="#" target="_blank" style="display:none;"><img src="#" width="120" height="270" alt="第4张图"></a> <span class="closeAd"></span> </div> <script type="text/javascript"> $(".closeAd").click(function(){ $(".floatAd").hide(); }) /*隔时切换飘浮广告*/ function changePic(obj,times){ var num=0, obj =$("." + obj+" >a"), times=times*1000, len=obj.length; //alert(len); setInterval(function(){ num++; num=num>len-1?0:num;//console.log(num); $(obj).eq(num).show().siblings("a").hide(); },times) } /*for ie6*/ function scrollAd(obj) { var obj = "." + obj; var adTop = $(".floatAd").offset().top; //alert(adTop); $(window).scroll(function () { $(".floatAd").css({ top : $(window).scrollTop() + adTop }) }) } $(function () { //针对ie6,模拟position:fixed效果 if ($.browser.msie && parseInt($.browser.version) == 6) { scrollAd("floatAd"); } //执行定时切换图片广告 changePic("floatAd",2);//每隔2秒切换一次广告图片展示,间隔时间可控 }) </script>
仿百度联盟对联广告实现代码
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