?? 15.21 對聯(lián)廣告.htm
字號:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title></title>
</head>
<body leftmargin="0" topmargin="0">
<script type="text/javascript">
var delta=0.115
var collection;
function floaters()
{
this.items = [];
//在頁面中動態(tài)添加div，參數(shù)依次代表：div的id，x坐標(biāo),y坐標(biāo),顯示的內(nèi)容
this.addItem= function(id,x,y,content)
{
document.write('<DIV id='+id+' style="Z-INDEX: 0; POSITION: absolute; width:80px; height:60px;left:'+(typeof(x)=='string'?eval(x):x)+';top:'+(typeof(y)=='string'?eval(y):y)+'">'+content+'</DIV>');
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()',10);
}
}
//顯示對聯(lián)，此方法綁定到定時器
function play()
{
if(screen.width<=800)
{ //寬度小于800時，不顯示對聯(lián)
for(var i=0;i<collection.length;i++)
{
collection[i].object.style.display = 'none';
}
return;
}
for(var i=0;i<collection.length;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 = '';
}
}
var theFloaters= new floaters(); //創(chuàng)建懸浮對聯(lián)廣告
//添加2幅廣告
theFloaters.addItem('div1','document.body.clientWidth-135',0,'</a><br><a href="http://images.sohu.com/cs/music/070330_120-120.gif" target="_blank"><img src="http://images.sohu.com/cs/music/070330_120-120.gif" width="100" height="267" border="0" /></a>');
theFloaters.addItem('div2',20,0,'<br><a href="http://images.sohu.com/cs/music/070330_120-120.gif" target="_blank"><img src="http://images.sohu.com/cs/music/070330_120-120.gif" width="100" height="267" border="0" /></a>');
theFloaters.play(); //顯示
</script>
</body>
</html>?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -