1 shop.app.Banner=function(){            //Banner轮播图效果 2     var ad=document.getElementById("ad"); 3     var ul=ad.getElementsByTagName("ul")[0]; 4     var li=ul.getElementsByTagName("li"); 5  6     var iNow=0; 7     var timer=setInterval(auto,3000); 8  9     function auto()       //自动切换效果10     {11         if(iNow==li.length-1)12         {13             iNow=0;14         }15         else{16             iNow++;17         }18         for(var i=0;i<li.length;i++)19         {20             shop.ui.fadeOut(li[i]);21         }22         shop.ui.fadeIn(li[iNow]);23     }24 };

window.onload=function(){        //调用函数    shop.app.Banner();    shop.app.search();    shop.app.sort();    shop.app.Run();};var shop={};        //命名空间shop.tools={};shop.tools.getByClass=function(Par,Cla)        //获取对应class的对象{    var allEle=Par.getElementsByTagName("*");    var arr=[];    for(i=0;i<allEle.length;i++)    {        if(allEle[i].className==Cla)        {            arr.push(allEle[i]);        }    }    return arr;};shop.tools.getStyle=function(obj,attr)        //获取对象属性{    if(obj.currentStyle)    {        return obj.currentStyle[attr];    }    else    {        return getComputedStyle(obj,false)[attr];    }};shop.ui={};shop.ui.fadeIn=function(obj)        //淡入效果{    var attr=shop.tools.getStyle(obj,‘opacity‘);    if(attr==1)    {        return false;    };    var value=http://www.mamicode.com/0;    clearInterval(obj.timer);    obj.timer=setInterval(function(){        var speed=5;        if(value=http://www.mamicode.com/=100){            clearInterval(obj.timer);        }        else        {            value+=speed;            obj.style.opacity=value/100;        }    },30);};shop.ui.fadeOut=function(obj)        //淡出效果{    var attr=shop.tools.getStyle(obj,‘opacity‘);    if(attr==0)    {        return false;    };    var value=http://www.mamicode.com/100;    obj.timer=setInterval(function(){        var speed=-5;        if(value=http://www.mamicode.com/=0)        {            clearInterval(obj.timer);        }        else        {            value+=speed;            obj.style.opacity=value/100;        };    },30);};shop.ui.textChange=function(obj,str){        //清空默认文字    obj.onfocus=function(){        if(this.value=http://www.mamicode.com/=str){            this.value="";        }    };    obj.onblur=function(){        if(this.valuehttp://www.mamicode.com/==""){            this.value=http://www.mamicode.com/str;        }    };};shop.ui.moveLeft=function(obj,old,now){        //对象位置左移    clearInterval(obj.timer);    obj.timer=setInterval(function(){        var speed=(now-old)/15;        speed=Math.round(speed);        if(now==old){            clearInterval(obj.timer);        }        else{            old+=speed;            obj.style.left=old+"px";        }    },30);};shop.app={};shop.app.Banner=function(){            //Banner轮播图效果    var ad=document.getElementById("ad");    var ul=ad.getElementsByTagName("ul")[0];    var li=ul.getElementsByTagName("li");    var iNow=0;    var timer=setInterval(auto,3000);    function auto()    {        if(iNow==li.length-1)        {            iNow=0;        }        else{            iNow++;        }        for(var i=0;i<li.length;i++)        {            shop.ui.fadeOut(li[i]);        }        shop.ui.fadeIn(li[iNow]);    }};shop.app.search=function(){    var s1=document.getElementById("search1");    var s2=document.getElementById("search2");    shop.ui.textChange(s1,"Search website");    shop.ui.textChange(s2,"Search website");};shop.app.sort=function(){            //模拟下拉菜单    var sor=document.getElementById("sort");    var sordd=sor.getElementsByTagName("dd");    var sorul=sor.getElementsByTagName("ul");    var sorh4=sor.getElementsByTagName("h4");    for(var i=0;i<sordd.length;i++){        sordd[i].index=i;        sordd[i].onclick=function(ev){            var ev=ev||window.event;            var This=this;            for(var n=0;n<sorul.length;n++){                sorul[n].style.display="none";            }            sorul[this.index].style.display="block";            document.onclick=function(){                sorul[This.index].style.display=‘none‘;            };            ev.cancelBubble=true;        }    };    for(var i=0;i<sorul.length;i++){        sorul[i].index=i;        (function(ul){            var sorli=ul.getElementsByTagName("li");            for(var i=0;i<sorli.length;i++){                sorli[i].onmouseover=function(){                    this.className="active";                };                sorli[i].onmouseout=function(){                    this.className="";                };                sorli[i].onclick=function(ev){                    var ev = ev || window.event;                    sorh4[this.parentNode.index].innerHTML=this.innerHTML;                    ev.cancelBubble = true;                    this.parentNode.style.display="none";                };            }        })(sorul[i]);    };};shop.app.Run=function(){            //点击左移效果    var slide=document.getElementById(‘slide‘);    var ul=slide.getElementsByTagName(‘ul‘)[0];    var li=ul.getElementsByTagName(‘li‘);    var pre=shop.tools.getByClass(slide,"pre")[0];    var next=shop.tools.getByClass(slide,"next")[0];    var iNow=0;    ul.innerHTML+=ul.innerHTML;    ul.style.width=li.length*li[0].offsetWidth+"px";    pre.onclick = function(){        if(iNow == 0){            iNow = li.length/2;            ul.style.left = -ul.offsetWidth/2 + ‘px‘;        }        shop.ui.moveLeft(ul,-iNow*li[0].offsetWidth,-(iNow-1)*li[0].offsetWidth);        iNow--;    };    next.onclick = function(){        if(iNow == li.length/2){            iNow = 0;            ul.style.left = 0;        }        shop.ui.moveLeft(ul,-iNow*li[0].offsetWidth,-(iNow+1)*li[0].offsetWidth);        iNow++;    };};