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js原生代码之图片轮播

时间:2015-08-17 00:50:19      阅读:220      评论:0      收藏:0      [点我收藏+]

  话不多说说,直接上代码:

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>无标题文档</title>
    <script src="./public/js/jquery-1.11.2-min.js"></script>

    <style>

        .img-div img{display:none;}

    </style>
</head>

<body>

<div class="slide" id="slide">
    <div class="img-div">
        <img src="./public/img/mx.jpg" />
        <img src="./public/img/mx.jpg" />
        <img src="./public/img/mx.jpg" />
        <img src="./public/img/mx.jpg" />
        <img src="./public/img/mx.jpg" />
    </div>

    <div class="slide-btn">
        <a  href="#" class="hover">1</a>
        <a  href="#" class="hover">2</a>
        <a  href="#" class="hover">3</a>
        <a  href="#" class="hover">4</a>
        <a  href="#" class="hover">5</a>
    </div>

</div>

<script type="text/javascript">


    var zBase=
    {
        $id:function(id){return document.getElementById(id);},
        $tagName:function(tagName,obj){return ((obj?obj:document).getElementsByTagName(tagName));},
        $c:function(clsN,obj)
        {
            var tag=this.$tagName(*),reg=new  RegExp((^|\\s)+clsN+(\\s|$)),arr=[];

            for(var i=0;i<tag.length;i++)
            {
                if(reg.test(tag[i].className))
                {
                    arr.push(tag[i]);
                }
            }
            return arr;

        },

        $add:function(obj,clsN)
        {
            var reg=new  RegExp((^|\\s)+clsN+(\\s|$));

            if(!reg.test(obj.className))
            {
                obj.className+= +clsN;
            }
        },

        $remove:function(obj,clsN)
        {
            var  cla=obj.className;
            var reg=/|\\s*+clsN+\\b/g;
            obj.className=cla?cla.replace(eval(reg),‘‘):‘‘;
        },

        css:function(obj,attr,value)
        {
            if(value)
            {
                obj.style[attr]=value;
            }
            else
            {
                return  typeof  window.getComputedStyle!="undefined"?window.getComputedStyle(obj,null)[attr]:obj.currentStyle[attr];
            }
        },
        easing:
        {
            liner:function(t,b,c,d){return c*t/d+b},
            easeOut:function(t,b,c,d){return  -c*((t=t/d-1)*t*t*t-1)+b}
        },

        config:
        {
            index:0,
            auto:true,
            direct:left
        },

        init:function()
        {
            this.slide=this.$id(slide);
            this.img_div=this.$c(img-div)[0];
            this.slide_btn=this.$tagName(a,this.$c(slide-btn)[0]);
            this.img_arr=this.$tagName(img,this.img_div);



            if(this.config.auto){this.play();}
            this.hover();

        },

        animate:function(obj,attr,val)
        {
            var d=1000;

            if(obj[attr+"timer"]){clearInterval(obj[attr+"timer"])};

            var start= parseInt(zBase.css(obj,attr));
            var space=val-start,st=(new Date().getTime()),m=space>0?cell:floor;

            obj[attr+timer]=setInterval(function(){
                var t=(new Date().getTime()-st);
                if(t<d)
                {

                    zBase.css(obj,attr,Math[m](zBase.easing["easeOut"](t,start,space,d))+"px");
                }
                else
                {
                    clearInterval(obj[attr+timer]);
                    zBase.css(obj,attr,top+space+"px");
                }
            },20);


        },

        hover:function()
        {
            for(var  i=0;i<this.slide_btn.length;i++)
            {
                this.slide_btn[i].index=i;
                this.slide_btn[i].onmouseover=function()
                {
                    if(zBase.slide.timer)
                    {
                        clearInterval(zBase.slide.timer);
                    }

                    zBase.config.index=this.index;


                    //console.log(this.slide_btn);

                    for(var j=0;j<zBase.slide_btn.length;j++)
                    {
                        zBase.$remove(zBase.slide_btn[j],hover);

                    }

                    zBase.$add(zBase.slide_btn[zBase.config.index],hover);
                    zBase.animate(zBase.img_div,zBase.config.direct,-zBase.config.index*1000);

                }

                this.slide_btn[i].onmouseout=function()
                {
                    zBase.play();
                }
            }

        },
        play:function(){
            this.slide.timer = setInterval(function(){

                var tags=zBase.$tagName(img,this.img_div);
                //zBase.$tagName(‘img‘,this.img_div)[zBase.config.index].style.display="block";


                for(var i =0;i<tags.length;i++)
                {
                    if(zBase.config.index==i)
                    {
                        zBase.$tagName(img,this.img_div)[zBase.config.index].style.display="block";
                    }
                    else
                    {
                        zBase.$tagName(img,this.img_div)[i].style.display="none";
                    }
                }


                zBase.config.index++;
                if(zBase.config.index>=zBase.img_arr.length) zBase.config.index=0;
                zBase.animate(zBase.img_div,zBase.config.direct,-zBase.config.index*500);
                for(var j=0;j<zBase.slide_btn.length;j++){
                    zBase.$remove(zBase.slide_btn[j],hover) ;
                }
                zBase.$add(zBase.slide_btn[zBase.config.index],hover);
            },3000)
        }

    }




    zBase.init();


</script>

</body>
</html>

 这是没有使用到JQUERY,没有过渡效果,图片可自行替换的原生JS 制作,虽然有了JQUERY和bootstrap框架使图片轮播变得很容易,但是不忘本来样式才是真。。

js原生代码之图片轮播

原文:http://www.cnblogs.com/wangjunjunjiayuan/p/4735320.html

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