JS实现的多张图片轮流播放幻灯片效果

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JS实现的多张图片轮流播放幻灯片效果

来源：阅读：1998 次日期：2016-07-29 15:20:53

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本文实例讲述了JS实现的多张图片轮流播放幻灯片效果。分享给大家供大家参考，具体如下：

<!--

/**************************************************

名称: 图片轮播类

创建时间: 2010-07-11 zhangty

示例:

页面中已经存在名为imgPlayer(或者别的ID也行)的节点.

PImgPlayer.addItem( "test", "http://www.pomoho.com", "http://static.pomoho.com/static/samesong/images/logo5.jpg");

PImgPlayer.addItem( "test2", "http://www.pomoho.com.cn", "http://static.pomoho.com/static/samesong/images/logo4.jpg");

PImgPlayer.addItem( "test3", "http://www.pomoho.com.cn", "http://static.pomoho.com/static/samesong/images/logo3.jpg");

PImgPlayer.init( "imgPlayer", 200, 230 );

备注:

适用于一个页面只有一个图片轮播的地方.

***************************************************/

var PImgPlayer = {

_timer : null,

_items : [],

_container : null,

_index : 0,

_imgs : [],

intervalTime : 5000, //轮播间隔时间

init : function( objID, w, h, time ){

this.intervalTime = time || this.intervalTime;

this._container = document.getElementById( objID );

this._container.style.display = "block";

this._container.style.width = w + "px";

this._container.style.height = h + "px";

this._container.style.position = "relative";

this._container.style.overflow = "hidden";

//this._container.style.border = "1px solid #fff";

var linkStyle = "display: block; TEXT-DECORATION: none;";

if( document.all ){

linkStyle += "FILTER:";

linkStyle += "progid:DXImageTransform.Microsoft.Barn(duration=0.5, motion='out', orientation='vertical') ";

linkStyle += "progid:DXImageTransform.Microsoft.Barn ( duration=0.5,motion='out',orientation='horizontal') ";

linkStyle += "progid:DXImageTransform.Microsoft.Blinds ( duration=0.5,bands=10,Direction='down' )";

linkStyle += "progid:DXImageTransform.Microsoft.CheckerBoard()";

linkStyle += "progid:DXImageTransform.Microsoft.Fade(duration=0.5,overlap=0)";

linkStyle += "progid:DXImageTransform.Microsoft.GradientWipe ( duration=1,gradientSize=1.0,motion='reverse' )";

linkStyle += "progid:DXImageTransform.Microsoft.Inset ()";

linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=PLUS,motion=out )";

linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=PLUS,motion=in )";

linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=DIAMOND,motion=in )";

linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=1,irisStyle=SQUARE,motion=in )";

linkStyle += "progid:DXImageTransform.Microsoft.Iris ( duration=0.5,irisStyle=STAR,motion=in )";

linkStyle += "progid:DXImageTransform.Microsoft.RadialWipe ( duration=0.5,wipeStyle=CLOCK )";

linkStyle += "progid:DXImageTransform.Microsoft.RadialWipe ( duration=0.5,wipeStyle=WEDGE )";

linkStyle += "progid:DXImageTransform.Microsoft.RandomBars ( duration=0.5,orientation=horizontal )";

linkStyle += "progid:DXImageTransform.Microsoft.RandomBars ( duration=0.5,orientation=vertical )";

linkStyle += "progid:DXImageTransform.Microsoft.RandomDissolve ()";

linkStyle += "progid:DXImageTransform.Microsoft.Spiral ( duration=0.5,gridSizeX=16,gridSizeY=16 )";

linkStyle += "progid:DXImageTransform.Microsoft.Stretch ( duration=0.5,stretchStyle=PUSH )";

linkStyle += "progid:DXImageTransform.Microsoft.Strips ( duration=0.5,motion=rightdown )";

linkStyle += "progid:DXImageTransform.Microsoft.Wheel ( duration=0.5,spokes=8 )";

linkStyle += "progid:DXImageTransform.Microsoft.Zigzag ( duration=0.5,gridSizeX=4,gridSizeY=40 ); width: 100%; height: 100%";

}

var ulStyle = "margin:0;width:"+w+"px;position:absolute;z-index:999;right:5px;FILTER:Alpha(Opacity=30,FinishOpacity=90, Style=1);overflow: hidden;bottom:-1px;height:16px; border-right:1px solid #fff;";

var liStyle = "margin:0;list-style-type: none; margin:0;padding:0; float:right;";

var baseSpacStyle = "clear:both; display:block; width:23px;line-height:18px; font-size:12px; FONT-FAMILY:'宋体';opacity: 0.6;";

baseSpacStyle += "border:1px solid #fff;border-right:0;border-bottom:0;";

baseSpacStyle += "color:#fff;text-align:center; cursor:pointer; ";

var ulHTML = "";

for(var i = this._items.length -1; i >= 0; i--){

var spanStyle = "";

if( i==this._index ){

spanStyle = baseSpacStyle + "background:#ff0000;"; //初始化底部数字的颜色

} else {

spanStyle = baseSpacStyle + "background:#c0c0c0;"; //初始化底部数字的背景颜色

}

ulHTML += "<li style=\""+liStyle+"\">";

ulHTML += "<span onmouseover=\"PImgPlayer.mouseOver(this);\" onmouseout=\"PImgPlayer.mouseOut(this);\" style=\""+spanStyle+"\" onclick=\"PImgPlayer.play("+i+");return false;\" herf=\"javascript:;\" title=\"" + this._items[i].title + "\">" + (i+1) + "</span>";

ulHTML += "</li>";

}

var html = "<a href=\""+this._items[this._index].link+"\" title=\""+this._items[this._index].title+"\" target=\"_blank\" style=\""+linkStyle+"\"></a><ul style=\""+ulStyle+"\">"+ulHTML+"</ul>";

this._container.innerHTML = html;

var link = this._container.getElementsByTagName("A")[0];

link.style.width = w + "px";

link.style.height = h + "px";

link.style.background = 'url(' + this._items[0].img + ') no-repeat center center';

this._timer = setInterval( "PImgPlayer.play()", this.intervalTime );

addItem : function( _title, _link, _imgURL ){

this._items.push ( {title:_title, link:_link, img:_imgURL } );

var img = new Image();

img.src = _imgURL;

this._imgs.push( img );

play : function( index ){

if( index!=null ){

this._index = index;

clearInterval( this._timer );

this._timer = setInterval( "PImgPlayer.play()", this.intervalTime );

} else {

this._index = this._index<this._items.length-1 ? this._index+1 : 0;

}

var link = this._container.getElementsByTagName("A")[0];

if(link.filters){

var ren = Math.floor(Math.random()*(link.filters.length));

link.filters[ren].Apply();

link.filters[ren].play();

}

link.href = this._items[this._index].link;

link.title = this._items[this._index].title;

link.style.background = 'url(' + this._items[this._index].img + ') no-repeat center center';

var liStyle = "margin:0;list-style-type: none; margin:0;padding:0; float:right;";

var baseSpacStyle = "clear:both; display:block; width:23px;line-height:18px; font-size:12px; FONT-FAMILY:'宋体'; opacity: 0.6;";

baseSpacStyle += "border:1px solid #fff;border-right:0;border-bottom:0;";

baseSpacStyle += "color:#fff;text-align:center; cursor:pointer; ";

var ulHTML = "";

for(var i = this._items.length -1; i >= 0; i--){

var spanStyle = "";

if( i==this._index ){

spanStyle = baseSpacStyle + "background:#ff0000;"; //数字的颜色

} else {

spanStyle = baseSpacStyle + "background:#c0c0c0;"; //数字的背景颜色

}

ulHTML += "<li style=\""+liStyle+"\">";

ulHTML += "</li>";

}

this._container.getElementsByTagName("UL")[0].innerHTML = ulHTML;

mouseOver : function(obj){

var i = parseInt( obj.innerHTML );

if( this._index!=i-1){

obj.style.color = "#ff0000";

}

mouseOut : function(obj){

obj.style.color = "#fff";

}

-->

</script>

PImgPlayer.addItem( "拉手网", "http://www.lashou.com/", "./images/1001.jpg");

PImgPlayer.addItem( "糯米网", "http://www.nuomi.com/", "./images/1002.jpg");

PImgPlayer.addItem( "美团网", "http://www.meituan.com/", "./images/1003.jpg");

PImgPlayer.init( "imgADPlayer", 715, 95 );

</script>

</body>

希望本文所述对大家JavaScript程序设计有所帮助。

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