js插件：javascript
class side{
constructor(ct,imgs){
let width = window.innerWidth;
let height = window.innerHeight;
this.width = width;
this.height = height;
this.currentPage = 0;
this.pages = imgs.length;
this.innerCt = document.createElement('div');
this.innerCt.style.cssText = 'width:' + width * imgs.length + 'px;height:100%;padding:0px;margin:0px;transtion:teansform 1s ease';
ct.appendChild(this.innerCt);
let circleCt = document.createElement('div');
circleCt.style.cssText = 'position:fixed;bottom:0px;width:100%;padding:10px 0';
circleCt.setAttribute('align','center');
ct.appendChild(circleCt);
this.cicles = [];
imgs.forEach((item,index) => {
let ct1 = document.createElement('div');
ct1.style.cssText = 'width:' + width +'px;height:' +height +'px;float:left;';
ct1.setAttribute('align','center');
let img = new Image();
img.src = item;
img.style.cssText = 'max-width:' + width + 'px;max-height:' + height +'px';
img.onload = ()=>{
img.style.marginTop = (height-img.height)/2 + 'px';
}
ct1.appendChild(img);
this.innerCt.appendChild(ct1);
let c = document.createElement('div');
c.style.cssText = 'width:10px;height:10px;border-radius:5px;background-color:white;display:inline-block;margin-right:10px';
this.cicles.push(c);
circleCt.appendChild(c);
c.addEventListener('click',()=>{
this.sideTo(index);
});
});
let css = 'position:absolute;top:50%;padding:0 10px;line-height:30px;background-color:#bbb;opacity:0.6;margin-top:-15px;font-size:18px;';
let btnL = document.createElement('button');
btnL.innerHTML = '<';
btnL.style.cssText = css;
let btnR = document.createElement('button');
btnR.innerHTML = '>';
btnR.style.cssText = css;
btnL.style.left='0px';
btnR.style.right = '0px';
ct.appendChild(btnL);
ct.appendChild(btnR);
btnR.addEventListener('click',()=>{
if(this.currentPage == this.pages -1){
return;
}
this.sideTo(this.currentPage+1);
});
btnL.addEventListener('click',()=>{
if(this.currentPage == 0){
return;
}
this.sideTo(this.currentPage-1);
});
this.sideTo(0);
}
sideTo(num){
this.cicles[this.currentPage].style.backgroundColor='white';
this.cicles[num].style.backgroundColor='red';
let left = - num *this.width;
this.innerCt.style.transform = 'translate(' + left +'px,0px)';
this.currentPage = num;
}
}
<!DOCTYPE html>
<html lang='zh-cn'>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<div style="width:100%;position:fixed;top:0px;bottom: 0px;left:0px;background: #333;">
</div>
<script type="text/javascript" src='2.js'></script>
<script>new side(document.querySelector('div'),['1.jpg','2.jpg','3.jpg'])</script>
</body>
</html>
该滑动窗口是浏览器整个大小，须要修改div大小和js中的width和height大小。滑动窗口的原理是经过设置一个n倍图片大小的divcss
经过transform实现滑动效果。html