点击此处查看效果 现在很多网站广告做的如火如荼,现在我就来介绍一下常见的对联浮动广告效果的代码使用方法,本文介绍的这种效果,在1024*768分辨率下正常显示,在800*600的分辨率下可以自动隐藏,以免遮住页面影响访问者浏览内容,而且与前面两个代码不同的是,广告图下方增加了一个图片按纽,允许访客点击关闭广告图片,下面文本框中就是实现效果所需代码: var delta=0.015; var collection; var closeB=false; function floaters() { this.items = []; this.addItem = function(id,x,y,content) { document.write(' '+content+' ');var newItem = {}; newItem.object = document.getElementById(id); newItem.x = x; newItem.y = y; this.items[this.items.length] = newItem; } this.play = function() { collection = this.items setInterval('play()',30); } } function play() { if(screen.width<=800 || closeB) { for(var i=0;i collection[i].object.style.display = 'none'; } return; } for(var i=0;i var followObj = collection[i].object; var followObj_x = (typeof(collection[i].x)=='string'?eval(collection[i].x):collection[i].x); var followObj_y = (typeof(collection[i].y)=='string'?eval(collection[i].y):collection[i].y); if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) { var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta; dx=(dx>0?1:-1)*Math.ceil(Math.abs(dx)); followObj.style.left=followObj.offsetLeft+dx; } if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) { var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta; dy=(dy>0?1:-1)*Math.ceil(Math.abs(dy)); followObj.style.top=followObj.offsetTop+dy; } followObj.style.display = ''; } } function closeBanner() { closeB=true; return; } var theFloaters = new floaters(); // theFloaters.addItem('followDiv1','document.body.clientWidth-100',0,''); theFloaters.addItem('followDiv2',0,0,''); theFloaters.play(); 把上面的代码另存为一个JS文件,然后在想实现此效果的页面用调用即可,*代表你另存的文件名!注意修改广告图片地址和连接地址! |
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