JS 纯JS幻灯片

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JS 纯JS幻灯片

html

Java代码  
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
<html xmlns="http://www.w3.org/1999/xhtml">  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
<title>纯JS幻灯版</title>  
<style type="text/css">  
*{ margin:0; padding:0;}  
#banner {width:1000px;text-align:left; background:#fff; margin:0 auto;}  
#banner img{ display:block; float:left;}  
.mainbox{ overflow:hidden; position:relative;}  
.flashbox{ overflow:hidden; position:relative;}  
.imagebox{ text-align:right;position:relative;z-index:999;}  
.bitdiv{display:inline-block;width:18px;height:18px;margin:0 10px 10px 0px;cursor:pointer;float:right;}  
.defimg{ background:url(styles/images/ppt_icon2.png);}  
.curimg{background:url(styles/images/ppt_icon1.png);}  
</style>  
<script type="text/javascript" src="styles/js/ppt_ban.js"></script>  
</head>  
<body>  
<div id="banner">  
    <script>  
     var box =new PPTBox();  
     box.width = 1000; //宽度  
     box.height = 226;//高度  
     box.autoplayer = 3;//自动播放间隔时间  
     //box.add({"url":"图片地址","title":"悬浮标题","href":"链接地址"})  
     box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});  
     box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});  
     box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});  
     box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});  
     box.show();  
    </script>  
</div>  
</body>  
</html>  

伦理片 http://www.dotdy.com/

Java代码  
function PPTBox()  
{  
    this.uid = PPTBoxHelper.getId();  
    PPTBoxHelper.instance[this.uid] = this;  
    this._$ = function(id){return document.getElementById(id);};  
    this.width = 400;//宽度  
    this.height = 300;//高度  
    this.picWidth = 15;//小图宽度  
    this.picHeight = 12;//小图高度  
    this.autoplayer = 4;//自动播放间隔（秒）  
    this.target = "_blank";  
    this._box = [];  
    this._curIndex = 0;  
}  
PPTBox.prototype =  
{  
    _createMainBox : function (){  
        var flashBoxWidth = this.width * this._box.length;  
        var html="<div id='"+this.uid+"_mainbox' class='mainbox'  style='width:"+(this.width)+"px;height:"+(this.height)+"px;'>";  
        html += "<div id='"+this.uid+"_flashbox' class='flashbox' style='width:"+flashBoxWidth+"px;height:"+(this.height)+"px;'></div>";  
        html += "<div id='"+this.uid+"_imagebox' class='imagebox' style='width:"+this.width+"px;height:"+(this.picHeight)+"px;top:-"+(this.picHeight+20)+"px;'></div>";  
        html += "</div>";  
        document.write(html);  
    },  
    _init : function (){  
        var picstyle= "";  
        var eventstr = "PPTBoxHelper.instance['"+this.uid+"']";  
        var imageHTML="";  
        var flashbox = "";  
        for(var i=0;i<this._box.length;i++){  
            var parame = this._box[i];  
            flashbox += this.flashHTML(parame.url,this.width,this.height,i);  
            imageHTML ="<div class='bitdiv "+((i==0)?"curimg":"defimg")+"' title ="+parame.title+" src='bit01.gif' "+picstyle+" onclick = \""+eventstr+".clickPic("+i+")\"  onmouseover=\""+eventstr+".mouseoverPic("+i+")\"></div>" + imageHTML;  
        }  
        this._$(this.uid+"_flashbox").innerHTML = flashbox;  
        this._$(this.uid+"_imagebox").innerHTML = imageHTML;  
  
    },  
    _play : function(){  
        clearInterval(this._autoplay);  
        var idx = this._curIndex+1;  
        if(idx>=this._box.length){idx=0;}  
        this.changeIndex(idx);  
        var eventstr = "PPTBoxHelper.instance['"+this.uid+"']._play()";  
        this._autoplay = setInterval(eventstr,this.autoplayer*1000);  
  
    },  
    flashHTML : function(url,width,height,idx) {  
        var isFlash = url.substring(url.lastIndexOf('.')+1).toLowerCase()=="swf";  
        var html = "";  
        if(isFlash){  
            html = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' "  
            + "codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0' width='"+width+"' height='"+height+"'>"  
            + "<param name=\"movie\" value=\""+url+"\" />"  
            + "<param name='quality' value='high' />"  
            + "<param name='wmode' value='transparent'>"  
            + "<embed src='"+url+"' quality='high' wmode='opaque' pluginspage='http://www.macromedia.com/go/getflashplayer'"  
            +"  type='application/x-shockwave-flash' width="+width+" height='"+height+"'></embed>"  
            +"  </object>";  
        } else {  
            var eventstr = "PPTBoxHelper.instance['"+this.uid+"']";  
            var style = "";  
            if(this._box[idx].href){  
                style = "cursor:pointer"  
            }  
            html="<img src='"+url+"' style='width:"+width+"px;height:"+height+"px;"+style+"' onclick = \""+eventstr+".clickPic("+idx+")\"/>";  
        }  
        return html;  
    },  
    changeIndex : function(idx){  
        var parame = this._box[idx];  
        moveElement(this.uid+"_flashbox",-(idx*this.width),1);  
        var imgs = this._$(this.uid+"_imagebox").getElementsByTagName("div");  
        imgs[this._box.length-1-this._curIndex].className = "bitdiv defimg";  
        imgs[this._box.length-1-idx].className = "bitdiv curimg";  
        this._curIndex = idx;  
    },  
    mouseoverPic:function(idx){  
        this.changeIndex(idx);  
        if(this.autoplayer>0){  
           clearInterval(this._autoplay);  
           var eventstr = "PPTBoxHelper.instance['"+this.uid+"']._play()";  
           this._autoplay = setInterval(eventstr,this.autoplayer*1000);  
        }  
    },  
    clickPic:function(idx){  
        var parame = this._box[idx];  
        if(parame.href&&parame.href!=""){  
            window.open(parame.href,this.target);  
        }  
    },  
    add:function (imgParam){  
        this._box[this._box.length] = imgParam;  
    },  
    show : function () {  
       this._createMainBox();  
       this._init();  
       if(this.autoplayer>0){  
           var eventstr = "PPTBoxHelper.instance['"+this.uid+"']._play()";  
           this._autoplay = setInterval(eventstr,this.autoplayer*1000);  
       }  
    }  
}  
var PPTBoxHelper =  
{  
    count: 0,  
    instance: {},  
    getId: function() { return '_ppt_box-' + (this.count++); }  
};  
  
function moveElement(elementID,final_x,interval) {  
  if (!document.getElementById) return false;  
  if (!document.getElementById(elementID)) return false;  
  var elem = document.getElementById(elementID);  
  if (elem.movement) {  
    clearTimeout(elem.movement);  
  }  
  if (!elem.style.left) {  
    elem.style.left = "0px";  
  }  
  var xpos = parseInt(elem.style.left);  
  if (xpos == final_x ) {  
        return true;  
  }  
  if (xpos < final_x) {  
    var dist = Math.ceil((final_x - xpos)/5);  
    xpos = xpos + dist;  
  }  
  if (xpos > final_x) {  
    var dist = Math.ceil((xpos - final_x)/5);  
    xpos = xpos - dist;  
  }  
  elem.style.left = xpos + "px";  
  var repeat = "moveElement('"+elementID+"',"+final_x+","+interval+")";  
  elem.movement = setTimeout(repeat,interval);  
}  

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