JS幻燈片可循環播放可平滑旋轉帶滾動導航(自寫)

2019-11-20 22:27:15

字體：大中小

來源：轉載

供稿：網友

最近在幫別人改一些東西,在網上找了好久,但是沒有相同的,自己改了下,拿出來分享下：
先展示下效果把：

index.html 頁面展示代碼

 
<!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></title> 
<LINK href="css/css.css" rel="stylesheet" type="text/css"> </LINK> 
<SCRIPT language="JavaScript" src="js/16sucai.js"></SCRIPT> 
<script type="text/javascript"> 
</script> 
</head> 
<body> 
<DIV id="box"> 
<PRE class="prev" style="display: none;">prev</PRE> 
<PRE class="next" style="display: none;">next</PRE> 
<UL> 
<LI><IMG name='1' src="images/main_right_p.jpg"> 
<DIV > 
<P>小喬，三國時期的主要女性人物之一。在三國時歸屬吳國，國色流離、資貌絕倫，是當時有名的東吳美女。</P></DIV></LI> 
<LI><IMG name='2' src="images/main_right_p.jpg"> 
<DIV> 
<P>潘安，西晉文學家，本名潘岳。中國古代最著名的美男子之首、"金谷二十四友"之首。</P></DIV></LI> 
<LI><IMG name='3' src="images/main_right_p.jpg"> 
<DIV> 
<P>朱元璋，明王朝的開國皇帝，建立了全國統一的封建政權。</P></DIV></LI> 
<LI><IMG name='4' src="images/main_right_p.jpg"> 
<DIV > 
<P>呂雉，西漢開國皇帝高祖劉邦的原配夫人，中國歷史上第一位掌權的女性統治者。</P></DIV></LI> 
<LI><IMG name='5' src="images/main_right_p.jpg"> 
<DIV > 
<P>諸葛亮，蜀漢丞相，三國時期杰出的政治家、戰略家、發明家、軍事家。</P></DIV></LI> 
</UL> 
<div class='numbutdiv'> 
<div class='ndv'> 
<label name='numBut' id='0'></label> 
<label name='numBut' id='1'></label> 
<label name='numBut' id='2'></label> 
<label name='numBut' id='3'></label> 
<label name='numBut' id='4'></label> 
</div> 
</div> 
</DIV> 
</body> 
</html> 

接下來是對應的JS文件內容:

復制代碼代碼如下:

 
//var tempi=0; 
function ZoomPic () 
{ 
this.initialize.apply(this, arguments); 
} 
ZoomPic.prototype = 
{ 
initialize : function (id) 
{ 
var _this = this; 
this.wrap = typeof id === "string" ? document.getElementById(id) : id; 
this.oUl = this.wrap.getElementsByTagName("ul")[0]; 
this.aLi = this.wrap.getElementsByTagName("li"); 
this.spans = this.wrap.getElementsByTagName("label"); 
this.prev = this.wrap.getElementsByTagName("pre")[0]; 
this.next = this.wrap.getElementsByTagName("pre")[1]; 
this.timer = null; 
this.aSort = []; 
this.aSpan = []; 
this.iCenter = 2; 
this._doPrev = function () {return _this.doPrev.apply(_this)}; 
this._doNext = function () {return _this.doNext.apply(_this)}; 
this.options = [ 
{width:50, height:212, top:55, left:0, zIndex:1}, 
{width:90, height:252, top:35, left:50, zIndex:2}, 
{width:400, height:292, top:10, left:140, zIndex:3}, 
{width:90, height:252, top:35, left:540, zIndex:2}, 
{width:50, height:212, top:55, left:630, zIndex:1} 
]; 
for (var i = 0; i < this.aLi.length; i++) this.aSort[i] = this.aLi[i]; 
for (var i = 0; i < this.spans.length; i++) this.aSpan[i] = this.spans[i]; 
this.aSort.unshift(this.aSort.pop()); 
this.setUp(); 
this.addEvent(this.prev, "click", this._doPrev); 
this.addEvent(this.next, "click", this._doNext); 
this.doImgClick(); 
this.dospansClick(); 
this.timer = setInterval(function () 
{ 
_this.doNext() 
}, 3000); 
this.wrap.onmouseover = function () 
{ 
clearInterval(_this.timer) 
}; 
this.wrap.onmouseout = function () 
{ 
_this.timer = setInterval(function () 
{ 
_this.doNext() 
}, 3000); 
} 
}, 
doPrev : function () 
{ 
this.aSort.unshift(this.aSort.pop());//刪除數組最后一項，并且返回數組 獲取最后一位 
this.setUp() 
}, 
doNext : function () 
{ 
this.aSort.push(this.aSort.shift());//刪除數組第一項，并且返回數組 刪除第一位，然后把第一位push到最后一個上面 
this.setUp() 
}, 
doImgClick : function () 
{ 
var _this = this; 
for (var i = 0; i < this.aSort.length; i++) 
{ 
this.aSort[i].onclick = function () 
{ //alert(this.index); 
if (this.index > _this.iCenter) 
{ 
for (var i = 0; i < this.index - _this.iCenter; i++) _this.aSort.push(_this.aSort.shift()); 
_this.setUp() 
} 
else if(this.index < _this.iCenter) 
{ 
for (var i = 0; i < _this.iCenter - this.index; i++) _this.aSort.unshift(_this.aSort.pop()); 
_this.setUp() 
} 
} 
} 
},dospansClick:function(){ 
var _this = this; 
for (var i = 0; i < this.aSpan.length; i++) 
{ 
this.aSpan[i].onclick = function () 
{ 
//alert(this.id); 
//alert(_this.aSort[_this.iCenter].getElementsByTagName('img')[0].name);//獲取到當前是第幾個在中間 
var cruuNum=_this.aSort[_this.iCenter].getElementsByTagName('img')[0].name; 
// if (this.id > _this.iCenter) 
// { 
// for (var i = 0; i < this.id - _this.iCenter; i++) _this.aSort.push(_this.aSort.shift());//取 
// _this.setUp() 
//alert(this.id+'...'+cruuNum); 
if(this.id-cruuNum>0){ 
for (var i = 0; i < this.id-cruuNum; i++) _this.aSort.push(_this.aSort.shift());//取 
_this.setUp() 
}else{ 
//if(cruuNum==5){ 
//if(this.id-cruuNum>0){ 
for (var i = 0; i < -(this.id-cruuNum); i++) _this.aSort.unshift(_this.aSort.pop());//取 
_this.setUp(); 
//} 

//} 
} 
// else{ 
// for (var i = 0; i < -(this.id-cruuNum); i++) _this.aSort.push(_this.aSort.shift());//取 
// _this.setUp() 
// 
// } 




// } 
// else if(this.id < _this.iCenter) 
// { 
// for (var i = 0; i < _this.iCenter - this.id; i++) _this.aSort.unshift(_this.aSort.pop()); 
// _this.setUp() 
// } 

// for (var i = 0; i <5; i++){ 
// _this.aSort.push(_this.aSort.shift());//取第一個 
// alert(_this.aSort[_this.iCenter].getElementsByTagName('img')[0].name+'aaa'+this.id); 
// if(_this.aSort[_this.iCenter].getElementsByTagName('img')[0].name==(this.id+1)){ 
// _this.setUp() 
// break; 
// } 
// } 

} 
} 
}, 
setUp : function () 
{ 
var _this = this; 
var i = 0; 
for (i = 0; i < this.aSort.length; i++) this.oUl.appendChild(this.aSort[i]);//gebytagui0 
for (i = 0; i < this.aSort.length; i++) 
{ 
this.aSort[i].index = i; 
//控制浮動層 
if (i < 5) 
{ 

this.css(this.aSort[i], "display", "block"); 
this.doMove(this.aSort[i], this.options[i], function () 
{ 
_this.doMove(_this.aSort[_this.iCenter].getElementsByTagName("img")[0], {opacity:100}, function () 
{ 
_this.doMove(_this.aSort[_this.iCenter].getElementsByTagName("img")[0], {opacity:100}, function () 
{ 
_this.aSort[_this.iCenter].onmouseover = function ()//鼠標放上去 
{ 
_this.doMove(this.getElementsByTagName("div")[0], {bottom:0}) 
}; 
_this.aSort[_this.iCenter].onmouseout = function () 
{ 
_this.doMove(this.getElementsByTagName("div")[0], {bottom:-100}) 
} 
}) 
}) 
}); 
} 
else 
{ 
this.css(this.aSort[i], "display", "none"); 
this.css(this.aSort[i], "width", 0); 
this.css(this.aSort[i], "height", 0); 
this.css(this.aSort[i], "top", 37); 
this.css(this.aSort[i], "left", this.oUl.offsetWidth / 2) 
} 
if (i < this.iCenter || i > this.iCenter)// 
{ 
this.css(this.aSort[i].getElementsByTagName("img")[0], "opacity", 30) 
this.aSort[i].onmouseover = function () 
{ 
_this.doMove(this.getElementsByTagName("img")[0], {opacity:100}) 
}; 
this.aSort[i].onmouseout = function () 
{ 
_this.doMove(this.getElementsByTagName("img")[0], {opacity:35}) 
}; 
this.aSort[i].onmouseout(); 
} 
else 
{ 
//中間 一直是2 
//alert(this.aSort[i].text);//取消變亮事件 
//alert(this.aSort[i].getElementsByTagName("img")[0].name); 
//變換顏色 
var ttSe=this.aSort[i].getElementsByTagName("img")[0].name; 
var numbuts= document.getElementsByName('numBut'); 
//alert(numbuts.length); 

for(var t=0;t<numbuts.length;t++){ 
if(t==0){ 
if(ttSe==5){ 
numbuts[t].className ='numbutLeftCen'; 
}else 
numbuts[t].className ='numbutLeft'; 
}else if(t==ttSe){ 
numbuts[t].className ='numbutCen'; 
}else if(t==numbuts.length){ 
//alert(t); 
numbuts[0].className ='numbutCen'; 
}else{ 
//全部修改class 
numbuts[t].className='numbut'; 
} 
//var aObj = document.getElementById("a的ID"); 
//添加事件 
//alert(tempi); 
// if(tempi==0){//alert(tempi); 
// if (window.addEventListener) {//Mozilla系列 
// numbuts[t].addEventListener('click', _this.addClick(t+1), false); 
// } else if (window.attachEvent) {//IE 
// numbuts[t].attachEvent('onclick', this.addClick(t+1)); 
// } 
// } 
} 
//tempi++; 
this.aSort[i].onmouseover = this.aSort[i].onmouseout = null 
} 
} 
},addEvent : function (oElement, sEventType, fnHandler) 
{ 
return oElement.addEventListener ? oElement.addEventListener(sEventType, fnHandler, false) : oElement.attachEvent("on" + sEventType, fnHandler) 
}, 
css : function (oElement, attr, value) 
{ 
if (arguments.length == 2) 
{ 
return oElement.currentStyle ? oElement.currentStyle[attr] : getComputedStyle(oElement, null)[attr] 
} 
else if (arguments.length == 3) 
{ 
switch (attr) 
{ 
case "width": 
case "height": 
case "top": 
case "left": 
case "bottom": 
oElement.style[attr] = value + "px"; 
break; 
case "opacity" : 
oElement.style.filter = "alpha(opacity=" + value + ")"; 
oElement.style.opacity = value / 100; 
break; 
default : 
oElement.style[attr] = value; 
break 
} 
} 
}, 
doMove : function (oElement, oAttr, fnCallBack) 
{ 
var _this = this; 
clearInterval(oElement.timer); 
oElement.timer = setInterval(function () 
{ 
var bStop = true; 
for (var property in oAttr) 
{ 
var iCur = parseFloat(_this.css(oElement, property)); 
property == "opacity" && (iCur = parseInt(iCur.toFixed(2) * 100)); 
var iSpeed = (oAttr[property] - iCur) / 5; 
iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed); 

if (iCur != oAttr[property]) 
{ 
bStop = false; 
_this.css(oElement, property, iCur + iSpeed) 
} 
} 
if (bStop) 
{ 
clearInterval(oElement.timer); 
fnCallBack && fnCallBack.apply(_this, arguments) 
} 
}, 30) 
},addClick:function (num){ 
//alert(num); 
// if (this.index > _this.iCenter) 
// { 
// for (var i = 0; i < this.index - _this.iCenter; i++) _this.aSort.push(_this.aSort.shift()); 
// _this.setUp() 
// } 
} 
}; 
window.onload = function () 
{ 
new ZoomPic("box"); 
}; 
function tt(){ 
//alert(1); 

} 

OK，最后加上一些樣式上的東西,就可以跑起來了；

復制代碼代碼如下:

 
body { 
margin: 0px; padding: 0px; 
} 
div { 
margin: 0px; padding: 0px; 
} 
ul { 
margin: 0px; padding: 0px; 
} 
li { 
margin: 0px; padding: 0px; 
} 
h4 { 
margin: 0px; padding: 0px; 
} 
p { 
margin: 0px; padding: 0px; 
} 
body { 
no-repeat 50% 0px rgb(0, 0, 0); font: 12px/1.8 arial; color: rgb(255, 255, 255); font-size-adjust: none; font-stretch: normal; 
} 
a { 
background: rgb(102, 102, 102); padding: 2px 5px; color: rgb(255, 255, 255); text-decoration: none; 
} 
a:hover { 
background: rgb(255, 153, 0); 
} 
#box { 
margin: 1px auto 0px; width: 680px; height: 320px; position: relative; 
} 
#box ul { 
width: 680px; height: 320px; position: relative; 
} 
#box li { 
background: rgb(0, 0, 0); list-style: none; border-radius: 3px; border:0px solid rgb(0, 0, 0); left: 377px; top: 146px; width: 0px; height: 0px; overflow: hidden; position: absolute; z-index: 0; cursor: pointer; 
} 
#box li div { 
background: rgb(0, 0, 0); width: 100%; height:40px; bottom: -100px; position: absolute; opacity: 0.7; 
} 
#box li div h4 { 
font: 12px/24px arial; margin: 0px 10px; border-bottom-color: rgb(51, 51, 51); border-bottom-width: 1px; border-bottom-style: solid; font-size-adjust: none; font-stretch: normal; 
} 
#box li div h4 span { 
color: red; margin-left: 10px; 
} 
#box li div p { 
margin: 5px 10px 0px; text-indent: 2em; 
} 
.numbutLeft{width: 15px; height: 5px; background-color:#AFB7B6; float: left; cursor: pointer;} 
.numbut{width: 15px; height: 5px; background-color:#AFB7B6; float: left; margin-left: 5px; cursor: pointer;} 
.numbutCen{width: 15px; height: 5px; background-color:#FF0000; float: left; margin-left: 5px; cursor: pointer;} 
.numbutLeftCen{width: 15px; height: 5px; background-color:#FF0000; float: left; cursor: pointer;} 
.numbutdiv{height: 10px;width: 100%;color: red;margin-top: 0px; padding-top: 0px} 
.ndv{height: 10px;width: 95px; margin: 0 auto} 
#box .next { 
background-position: -39px 0px; right: -60px; 
} 
#copyright { 
text-align: center; padding-top: 10px; 
} 