原生js伦比哦

来源：互联网发布：px4数据更新编辑：程序博客网时间：2024/06/05 04:01
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<!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>无标题文档</title>
<style>
    *{
        margin:0;
        padding:0;
        }
    div{
        width:520px;
        height:280px;
        position:relative;
        background:pink;
        margin:0 auto;
        overflow:hidden;
        }
    div ul{
        width:3640px;
        position:absolute;
        left:-520px;
        }   
    div ul li{
        list-style:none;
        float:left;
        width:520px;
        height:280px;
        font-size:30px;
        text-align:center;
        line-height:280px;
        }
    .prev ,.next{
        width:30px;
        height:50px;
        position:absolute;
        background:rgba(0,0,0,.4);
        top:115px;
        }   
    .prev:hover,.next:hover{
        background:rgba(0,0,0,.6);
        }   
    .prev{
        left:0;
        }
    .next{
        right:0;
        }   
    .prev:after{
        content:'<';
        color:#fff;
        line-height:50px;
        text-align:center;
        width:100%;
        height:100%;
        display:inline-block;
        }   
    .next:after{
        content:'>';
        color:#fff;
        line-height:50px;
        text-align:center;
        width:100%;
        height:100%;
        display:inline-block;
        }
    div ol{
        position:absolute;
        bottom:10px;
        left:50%;
        margin-left:-50px;
        background:rgba(255,255,255,.2);
        }
    div ol li{
        list-style:none;
        float:left;
        color:#fff;
        width:10px;
        height:10px;
        border-radius:100%;
        background-color:#fff;
        overflow:hidden;
        text-indent:10000px;
        margin:0 5px;
        cursor:pointer;
        }
    .orange{
        background-color:orange!important;
        }           
                            
</style>
</head>
<body>
    <div id="box">
        <ul>
            <li><img src="https://img.alicdn.com/simba/img/TB1SYOGggLD8KJjSszeSuuGRpXa.jpg" /></li>
            <li><img src="https://aecpm.alicdn.com/tfscom/TB1eCWYbS_I8KJjy0FoXXaFnVXa.jpg" /></li>
            <li><img src="https://img.alicdn.com/tfs/TB1Pp2IfDnI8KJjy0FfXXcdoVXa-520-280.png_q90_.webp" /></li>
            <li><img src="https://img.alicdn.com/simba/img/TB1gWrUXfTM8KJjSZFDSuultXXa.jpg" /></li>
            <li><img src="https://img.alicdn.com/simba/img/TB10TmIgcnI8KJjSsziSuv8QpXa.jpg" /></li>
            <li><img src="https://img.alicdn.com/simba/img/TB1SYOGggLD8KJjSszeSuuGRpXa.jpg" /></li>
            <li><img src="https://aecpm.alicdn.com/tfscom/TB1eCWYbS_I8KJjy0FoXXaFnVXa.jpg" /></li>
        </ul>
        <a class="prev" href="javascript:void(0)"></a>
         <a class="next"href="javascript:void(0)"></a>
         <ol>
            <li class="orange">1</li>
            <li>2</li>
            <li>3</li>
            <li>4</li>
            <li>5</li>
         </ol>
    </div>
</body>
</html>
<script>    
    var ul=document.querySelector("#box ul");
    var currentValue=Number(getStyle(ul,"left").replace("px",""));
    var li =document.querySelectorAll("#box ul li");
    var width=Number(getStyle(li[0],"width").replace("px",""));
    var prev=document.querySelector(".prev");
    var next=document.querySelector(".next");
    var ol=document.querySelector("#box ol");
    var oli=document.querySelectorAll("#box ol li");
    function Move(obj){
        var _this=this;
        this.decoration=obj.decoration||null;
        this.count=0;
        this.init=function(changeValue){
            ul.style.left=changeValue+"px";
            };
        this.action=function(){
                var timer=setInterval(function(){
                    if(_this.decoration=="left"){
                            _this.count-=10;
                            currentValue-=10;   
                        }else if(_this.decoration=="right"){
                            _this.count+=10;
                            currentValue+=10;   
                        }
                    if(currentValue==0){
                        currentValue=-width*(li.length-2);
                    }
                    if(currentValue==(li.length-1)*-width){
                        currentValue=-width;
                        }   
                    var index=Math.abs(currentValue/width)-1;
                    if(index>=li.length-(2+1)){
                        index=parseInt(index);
                        }
                    _this.olmove(Math.ceil(index)); 
                    _this.init(currentValue);
                    if(Math.abs(_this.count)==width){
                        clearInterval(timer);
                        }
                    },1)
                    
            };
        this.olmove=function(index){
            for(var j=0;j<oli.length;j++){
                oli[j].className="";
            }
            oli[Math.ceil(index)].className="orange";
            };
        this.olclick=function(){
            var arrays=new Array(oli.length);
            for(var i=0;i<oli.length;i++){
                arrays[i]=-(width*(i+1));
                 (function(i){
                     oli[i].onclick=function(){
                         _this.olmove(i);
                        var timer=setInterval(function(){
                            
                            if(arrays[i]<currentValue){
                                    if(currentValue-arrays[i]>width){
                                        currentValue-=30;
                                    }else{
                                        currentValue-=10;
                                        }
                                }else if(arrays[i]>currentValue){
                                    if(arrays[i]-currentValue>width){
                                        currentValue+=30;
                                    }else{
                                        currentValue+=10;
                                        }
                                }
                            if(arrays[i]==currentValue){
                                clearInterval(timer)
                                }   
                            _this.init(currentValue);
                            },1);
                         }
                     }(i));
                }
            };          
    }
        
    function getStyle(element,attr){
        if(element.currentstyle){
            return element.currentstyle[attr];
            }else{
                return window.getComputedStyle(element,null)[attr];
            }
        }
    prev.onclick=function(){
            var obj={
                decoration:"right",
            }
        run(obj)
        }       
    next.onclick=function(){
            var  obj={
                decoration:"left",
            }
            run(obj)
        }
                
    function run(obj){
         var move=new Move(obj);    
         move.action(); 
        }   
         var  obj={}
         var move=new Move(obj);
         move.olclick();
    
    
        
</script>
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