ASP.NET图片轮换效果

2025-01-13 23:45:26

推荐回答（2个）

回答（1）：

给个JS方法的图片轮换你参考一下：
首先，把下面代码做成一个加lh.js文件

// JavaScript Document
var PImgPlayer = {
_timer : null,
_items : [],
_container : null,
_index : 0,
_imgs : [],
intervalTime : 3000, //Time
init : function( objID,fontID,minID, w, h, time ){
this.intervalTime = time || this.intervalTime;
this._container = document.getElementById( objID );
this._font = document.getElementById(fontID);
this._min = document.getElementById(minID);
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%";
linkStyle += "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)";
}
//
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;opacity: 0.6;";
baseSpacStyle += "border:1px solid #fff;border-right:0;border-bottom:0;";
baseSpacStyle += "color:#fff;text-align:center; cursor:pointer; ";
//
var ulHTML = "";
var ulMin = "";
for(var i = this._items.length -1; i >= 0; i--){
// var spanStyle = "";
// if( i==this._index ){
// spanStyle = baseSpacStyle + "background:#ff0000;";
// } else {
// spanStyle = baseSpacStyle + "background:#000;";
// }
// ulHTML += "

";
// ulHTML += "" + (i+1) + "";
// ulHTML += "

";

var classStyle = "";
if( i==this._index ){
classStyle = "seleteMinPic";
} else {
classStyle = "MinPic";
}
ulMin = " $\""$ " + ulMin;
}

//
var html = "";
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 );
this._font.innerHTML = this._items[this._index].title;

this._min.innerHTML = ulMin;
},
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 }

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;

this._font.innerHTML = ""+ 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 = "";
var ulMin = "";
for(var i = this._items.length -1; i >= 0; i--){
// var spanStyle = "";
// if( i==this._index ){
// spanStyle = baseSpacStyle + "background:#ff0000;";
// } else {
// spanStyle = baseSpacStyle + "background:#000;";
// }
// ulHTML += "

";
// ulHTML += "" + (i+1) + "";
// ulHTML += "

";

var classStyle = "";
if( i==this._index ){
classStyle = "seleteMinPic";
} else {
classStyle = "MinPic";
}
ulMin = " $\""$ " + ulMin;
}
//this._container.getElementsByTagName("UL")[0].innerHTML = ulHTML;
this._font.innerHTML = ""+ this._items[this._index].title +"";

this._min.innerHTML = ulMin;
},
mouseOver : function(obj){
var i = parseInt( obj.innerHTML );
if( this._index!=i-1){
obj.style.color = "#ff0000";
}
},
mouseOut : function(obj){
obj.style.color = "#fff";
}
}

然后在页面上引用这个JS，如：

如在前台页面，可以这样显示：

如后台来的放，可以在后台加这段JS，如：
string strPic = "";
strPic += "";

然后注册strPic这个变量就行了，如：
ClientScript.RegisterClientScriptBlock(this.GetType(), "lh", strPic );

回答（2）：

http://www.lanrentuku.com/js/jiaodiantu-794.html 。Jquery幻灯片焦点图插件，我现在在用你看看，还不错！

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