JavaScript幻灯片效果

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>JavaScript幻灯片效果</title>

<!--

body { font-size:12px;

}

input {

border-right: #7b9ebd 1px solid;

padding-right: 2px;

border-top: #7b9ebd 1px solid;

padding-left: 2px;

font-size: 12px;

filter: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr=#ffffff, EndColorStr=#cecfde);

border-left: #7b9ebd 1px solid;

cursor: hand;

color: black;

padding-top: 2px;

border-bottom: #7b9ebd 1px solid;

}

.img {

filter:alpha(opacity=1,enabled=1) blendtrans(duration=1);

border:1px solid #CCCCCC;

}

-->

</style>

var l=0;

var sum=0;

var _c = 0;

var _i = 0;

var _v = 0;

var _l = 0;

var _fi = 0;

var _sf = 3000;

var _html = null;

var _image = null;

var _mycars= new Array();

var _w = new Array();

var _h = new Array();

var imgs=new Array();

var limg=new Array();

/* 渐隐渐现 */

function transImg(enable){

document.getElementById("showimg").filters.blendtrans.Apply();

document.getElementById("showimg").filters[0].enabled=enable;

document.getElementById("showimg").filters.blendtrans.Play();

}

/* 加载图片 */

function chk(){

l--;

document.getElementById("rotatorPlayer").innerHTML='<img src='+limg[0].src+'><br><br>' + '照片已加载：' + parseInt(((sum-

l)*100/sum)).toString() + '%'

if (l==0){

adRotator.play();

document.getElementById('stops').disabled='';

document.getElementById('next').disabled='';

}

if (document.images){

limg[0]=new Image();

limg[0].src="loading.gif";

for(var i=0;i<13;i++)

{

imgs[i]=new Image();

imgs[i].src=parseInt(i+1)+".jpg";

}

function adRotator() {}

function adRotator.add(p,w,h)

{

_mycars[_c] = p;

_w[_c] = w;

_h[_c] = h;

_c = _c + 1;

}

/* 播放设置 */

function adRotator.loads()

{

if (_i < _mycars.length && _l < 1)

{

_html = '<img id="showimg" src="' + _mycars[_i] + '" width="' + _w[_i] + '" height="' + _h[_i] + '" class="img">'

if (_v < 1)

{

document.getElementById('image').value = _html + ',' + _i;

document.getElementById('rotatorPlayer').innerHTML = _html;

transImg(0);

_i = _i + 1;

document.getElementById('backs').disabled='';

transImg(1);

transImg(0);

window.setTimeout("adRotator.loads("+_i+")",_sf);

}

else

{

_html = '<img id="showimg" src="' + _mycars[_i] + '" width="' + _w[_i] + '" height="' + _h[_i] + '" class="img">'

document.getElementById('image').value = _html + ',' + _i;

document.getElementById('rotatorPlayer').innerHTML = _html;

transImg(0);

transImg(1);

transImg(0);

}

if (_i+1 > _mycars.length)

{

document.getElementById('stops').disabled='True';

document.getElementById('play').disabled='';

document.getElementById('backs').disabled='';

document.getElementById('next').disabled='True';

_i = 0;

_v = 1;

}

/* 播放 */

function adRotator.play()

{

_v = 0;

_l = 0;

adRotator.loads();

}

/* 下一张 */

function adRotator.next()

{

_l = 1;

if(_i+1 < _mycars.length)

{

_i = _i + 1;

document.getElementById('play').disabled='';

document.getElementById('stops').disabled='True';

document.getElementById('backs').disabled='';

adRotator.loads();

}

else

{

document.getElementById('next').disabled='True';

}

/* 上一张 */

function adRotator.backs()

{

_l = 1;

if(_i-1 < 0)

{

document.getElementById('backs').disabled='True';

}

else

{

_i = _i - 1;

document.getElementById('play').disabled='';

document.getElementById('stops').disabled='True';

document.getElementById('next').disabled='';

adRotator.loads();

}

/* 间隔时间 */

function adRotator.set()

{

var _sfc = document.getElementById('second').value;

if (isInteger(_sfc))

{

_sf = _sfc * 1000;

}

else

{

alert('提示：只能输入数字！');

document.getElementById('second').value=1;

document.getElementById('second').select();

}

/* 字符检测 */

function isInteger(str)

{

var regu = /^[-]{0,1}[0-9]{1,}$/;

return regu.test(str);

}

/* 暂停 */

function adRotator.stops()

{

_v = 1;

}

/* 添加图片 */

for (var i=0;i<imgs.length;i++)

{

adRotator.add(imgs[i].src,400,300);

}

</script>

</head>

<body>

<tr>

<div id="rotatorPlayer" style="text-align:center"><img src="loading.gif"><br><br>照片已加载：0%</div>

<input type="button" name="play" value="开始播放" onClick="adRotator.play();this.disabled='true';document.getElementById

('stops').disabled=''" disabled="True"/>

<input type="button" name="stops" value="暂停" onClick="adRotator.stops();this.disabled='true';document.getElementById

('play').disabled=''" disabled="True"/>

秒

</td>

</tr>

</table>

sum=l=imgs.length;

for (var i=0;i<l;i++){

imgs[i].onload=chk;

imgs[i].onerror=chk;//无论图片是否加载成功，都执行指定方法

}

</script>

</body>

</html>

posted on 2007-02-08 16:14 mbskys 阅读(210) 评论(0) 收藏举报