JS slideshow can be looped and rotated smoothly with scrolling navigation (self-written)

Recently, I was helping others change something. I searched online for a long time, but there was nothing the same. I changed it myself and shared it:
First, let’s show the effect:
JS slideshow can be looped and rotated smoothly with scrolling navigation (self-written)_javascript skills
index.html Page display code

Copy code The code is as follows:

< ;SCRIPT language="JavaScript" src="js/16sucai.js">

< ;/head>

prev

next

Xiao Qiao, one of the main female figures during the Three Kingdoms period. During the Three Kingdoms period, she belonged to the Wu State. She was a beautiful woman with extraordinary talents and beauty. She was a famous Soochow beauty at that time.

Pan An, a writer in the Western Jin Dynasty, whose real name is Pan Yue. The most famous handsome man in ancient China and the first of the "Twenty-Four Friends of the Golden Valley".

Zhu Yuanzhang, the founding emperor of the Ming Dynasty, established a unified feudal regime across the country.

Lu Fei, the first wife of Liu Bang, the founding emperor of the Western Han Dynasty, was the first female ruler to hold power in Chinese history.

Zhuge Liang, Prime Minister of the Shu Han Dynasty, was an outstanding statesman, strategist, inventor, and military strategist during the Three Kingdoms period.

< label name='numBut' id='2'>

< ;/html>

The following is the corresponding JS file content:

Copy code The code is as follows :

 
//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());//删除数组最后一项，并且返回数组 获取最后一位 
this.setUp() 
}, 
doNext : function () 
{ 
this.aSort.push(this.aSort.shift());//删除数组第一项，并且返回数组 删除第一位，然后把第一位push到最后一个上面 
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);//获取到当前是第几个在中间 
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());//取第一个 
// 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; 
//控制浮动层 
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 ()//鼠标放上去 
{ 
_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 
{ 
//中间 一直是2 
//alert(this.aSort[i].text);//取消变亮事件 
//alert(this.aSort[i].getElementsByTagName("img")[0].name); 
//变换颜色 
var ttSe=this.aSort[i].getElementsByTagName("img")[0].name; 
var numbuts= document.getElementsByName('numBut'); 
//alert(numbuts.length); 

for(var t=0;tif(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，最后加上一些样式上的东西,就可以跑起来了；

复制代码代码如下:

 
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; 
} 

OOOOOKKK 了,奇特的效果就要出来了 ,还有一些不完美的地方,懒得去改了,有高手可以改改看,但希望分享哦。
效果如下:
JS slideshow can be looped and rotated smoothly with scrolling navigation (self-written)_javascript skills

JS slideshow can be looped and rotated smoothly with scrolling navigation (self-written)_javascript skills