


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>shop</title>
<link rel="stylesheet" href="../css/小商城.css">
<script src="../jquery-3.4.1.min.js"></script>
</head>
<body>
<div id="container">
<!-- 填补-->
<div id="search">
<span> LHB </span>
<div id="test">
<input type="text" maxlength="20" cleardefault="no" autocomplete="off" placeholder="电子琴" class="ipt">
<span><img src="../img/相机_01.png"></span>
</div>
<span class="search"> 搜索 </span>
</div>
<div id="day"></div>
<div id="banner">
<img src="../img/JDhead1.jpg" alt="1">
<img src="../img/JDhead2.jpg" alt="2">
<img src="../img/JDhead3.jpg" alt="3">
<img src="../img/JDhead4.jpg" alt="3">
</div>
<div class="center">
<div><img src="../img/JD1.png.webp"><span>京东超市</span></div>
<div><img src="../img/JD2.png.webp"><span>数码电器</span></div>
<div><img src="../img/JD3.png.webp"><span>京东服务</span></div>
<div><img src="../img/JD4.png.webp"><span>京东生鲜</span></div>
<div><img src="../img/JD.png.webp"><span>京东到家</span></div>
<div><img src="../img/JD6.png.webp"><span>充值缴费</span></div>
<div><img src="../img/JD7.png.webp"><span>9.9元拼</span></div>
<div><img src="../img/JD8.png.webp"><span>领卷</span></div>
<div><img src="../img/JD9.png.webp"><span>赚钱</span></div>
<div><img src="../img/JD10.png.webp"><span>PLUS会员</span></div>
</div>
<div class="action">
<div><img src="../img/JD11.jpg"></div>
<div><img src="../img/JD12.png!q70.jpg"></div>
<div><img src="../img/JD13.png!q70.jpg"></div>
</div>
<!--秒杀区-->
<div class="KO">
<!--上栏 -->
<div>
<div> 京东秒杀</div>
<div>18点场</div>
<a href="javaScript:void (0);">更多秒杀<span><img src="../img/JDright.png"></span></a>
</div>
<!--商品-->
<div>
<img src="../img/JD20.jpg" alt="20">
<img src="../img/JD21.jpg" alt=21"">
<img src="../img/JD22.jpg" alt="22">
<img src="../img/JD23.jpg" alt="23">
</div>
</div>
<!--新人区-->
<div id="two">
<div><img src="../img/JD30.jpg"></div>
<div><img src="../img/JD31.jpg"></div>
</div>
<div class="year"><img src="../img/year.png.webp"></div>
<!--滚动-->
<div id="con">
<marquee behavior="alternate" scrollamount="20" onMouseOut="this.start()" onMouseOver="this.stop()">
<div><img src="../img/JD35.jpg"></div>
<div><img src="../img/JD36.jpg"></div>
<div><img src="../img/JD37.jpg"></div>
<div><img src="../img/JD38.jpg"></div>
<div><img src="../img/JD39.jpg"></div>
<div><img src="../img/JD40.jpg"></div>
<div><img src="../img/JD41.jpg"></div>
</marquee>
</div>
<div id="inner">
<div><span>无线充手机</span><img src="../img/JD50.jpg"><span>热销爆款</span></div>
<div><span>我是电视榜</span><img src="../img/JD51.jpg"><span>年货好礼</span></div>
<div><span>甄选白酒</span><img src="../img/JD52.jpg"><span>只为你甄选</span></div>
<div><span>火锅丸料</span><img src="../img/JD53.jpg"><span>应有尽有</span></div>
</div>
<div id="inner_down">
<div><img src="../img/JD61.jpg"><span>至高24期免息</span><strong>手机爆款</strong></div>
<div><img src="../img/JD62.jpg"><span>领卷199享8折</span><strong>甄选箱包</strong></div>
<div><img src="../img/JD63.jpg"><span>抢百亿红包</span><strong>家电年货节</strong></div>
<div><img src="../img/JD64.jpg"><span>满2020减1212</span><strong>平板式电脑</strong></div>
<div><img src="../img/JD61.jpg"><span>至高24期免息</span><strong>爆款清单</strong></div>
<div><img src="../img/JD62.jpg"><span>领卷199享8折</span><strong>超市年货节</strong></div>
<div><img src="../img/JD63.jpg"><span>抢百亿红包</span><strong>珠宝饰品</strong></div>
<div><img src="../img/JD64.jpg"><span>满2020减1212</span><strong>食品礼盒</strong></div>
</div>
<div class="recommended"><img src="../img/JD70.png"></div>
<!-- 瀑布流-->
<!--未完待续-->
<div class="bug"><img src="../img/JDbug.png" alt=""></div>
</div>
<script src="../js/小商城.js"></script>
</body>
</html>
//顶部搜索栏
var search = function () {
let search = document.querySelector('#search');
let banner = document.querySelector('#banner');
let h = banner.offsetHeight;
// console.log(h);
//判断一个人元素是否滑倒底(或者根本不可滑动):element.scrollHeight - element.scrollTop === element.clientHeight
// console.log(document.body.scrollHeight-document.body.scrollTop);
// console.log(document.body.scrollTop);//0
// console.log(document.body.clientHeight);
//console.log(document.body.scrollHeight-document.body.scrollTop === document.body.clientHeight);
//监听页面滚动事件
window.onscroll = function () {
//随着滚动距离增大,透明度减小
//当前滚动距离
// let oTop =document.body.scrollTop;//chrome
//scrollTop是一个正数,如果元素不能滚动,则scrollTop为0
// 可用作返回顶部 scrollTop = 0
let oTop = window.pageYOffset;
//console.log(oTop);
// let oTop = document.documentElement.scrollTop;//IE
var opacity = 0;
if (oTop > h) {
opacity = 1;
} else {
opacity = 1 * (oTop / h);
}
search.style.background = 'rgba(255, 0, 0, ' + opacity + ')';
}
};
search();
//轮播图
var index=0;
//改变图片
function ChangeImg() {
index++;
var a=document.querySelector('#banner').querySelectorAll("img");
if(index>=a.length) index=0;
for(var i=0;i<a.length;i++){
a[i].style.display='none';
}
a[index].style.display='block';
}
//设置定时器,每隔两秒切换一张图片
setInterval(ChangeImg,2000);
//
* {
    margin: 0;
    padding: 0;
}
#container {
    margin: 0 auto;
    width: 1000px;
    height: 3000px;
    background: url("../img/bg2.jpg") no-repeat;
    background-size: 100%;
}
#day {
    height: 100px;
}
#search {
    width: 1000px;
    height: 100px;
    background: rgba(255, 0, 0, 0);
    position: fixed;
    z-index: 1;
}
span:first-child {
    position: relative;
    top: 20px;
    font-size: 3rem;
    color: #d7ddde;
    cursor: pointer;
}
.search {
    color: white;
    font-size: 40px;
    /*font-weight: bold;*/
    cursor: pointer;
    position: relative;
    top: 18px;
}
.search:hover {
    color: #333333;
}
#test {
    width: 750px;
    height: 60px;
    position: relative;
    margin: 0 auto;
    top: 10px;
    border-radius: 30px;
    display: inline-block;
    border: 3px solid #333333;
    background: white;
}
#test input {
    height: 90%;
    width: 85%;
    position: relative;
    left: 20px;
    top: 2px;
    border: none;
    outline: none;
}
#test span img {
    /*position: absolute;*/
    float: right;
    margin-right: 20px;
    margin-top: 7px;
    width: 50px;
    /*z-index: 1;*/
}
#test span img:hover {
    filter: drop-shadow(0 0 0px black);
}
#banner {
    margin: 0 auto;
    height: 370px;
    width: 90%;
    /*background: #92bde7;*/
    position: relative;
}
#banner img {
    border-radius: 20px;
    width: 100%;
    height: auto;
    box-shadow: 0 0 50px 2px #333333;
}
#banner img:first-child {
    display: block;
}
#banner img:nth-of-type(2) {
    display: none;
}
#banner img:nth-of-type(3) {
    display: none;
}
#banner img:nth-of-type(4) {
    display: none;
}
.center {
    box-sizing: border-box;
    width: 1000px;
    height: 400px;
    /*background: #a3a3a3;*/
}
.center div {
    float: left;
    margin: 45px;
    width: 110px;
    height: 110px;
    background: #333333;
    border-radius: 45%;
}
.center div img {
    width: 100%;
    height: auto;
    border-radius: 40%;
}
.center div img:hover {
    /*box-shadow: 0 1px 5px 1px rgba(0,0,255,0.5);*/
    width: 101%;
    height: 101%;
}
.center div span {
    display: inline-block;
    width: 100px;
    color: #ffffff;
    font-size: .6rem;
    text-align: center;
    margin-top: .3rem;
    cursor: pointer;
}
.center div span:hover {
    text-decoration: underline;
    color: blue;
}
.action {
}
.action div {
    display: inline-block;
}
.action div:first-child {
    position: relative;
    left: 120px;
}
.action div:nth-child(2) {
    position: relative;
    left: 110px;
}
.action div:nth-of-type(3) {
    position: relative;
    left: 100px;
}
.action div img {
    border-radius: 40px;
}
.action div img:hover{
    width: 101%;
    height: 101%;
}
.KO {
    margin: 0 auto;
    width: 950px;
    height: 300px;
    background: white;
    border-radius: 30px;
}
.KO div:first-child {
    height: 90px;
    background: url("../img/JDKO.png") no-repeat;
    background-size: 100%;
}
.KO div:first-child div:first-child {
    font-weight: bold;
    font-size: 30px;
    display: inline-block;
}
.KO div:first-child div:nth-child(2) {
    display: inline-block;
    height: initial;
}
.KO div:first-child a {
    position: relative;
    right: 30px;
    float: right;
    text-decoration: none;
}
.KO div:first-child span img{
    width: 20%;
    position: relative;
    right: 0px;
    top: 15px;
    float: right;
}
.KO div:nth-child(2) {
    height: 210px;
}
.KO div:nth-child(2) img {
    margin: 40px;
    width: 15%;
}
#two {
    width: 800px;
    height: 300px;
    margin: 0 auto;
}
#two div {
    position: relative;
    left: 3%;
    top: 10%;
    float: left;
    display: inline-block;
}
#two div:first-child img {
    border-top-left-radius: 15px;
    border-bottom-left-radius: 15px;
}
#two div:nth-of-type(2) img {
    border-top-right-radius: 15px;
    border-bottom-right-radius: 15px;
}
#con {
    background: #90EE90;
}
#con div {
    display: inline-block;
    margin: 0 auto;
}
.year img {
    width: 100%;
}
#inner div {
    position: relative;
    left: 2%;
    width: 20%;
    height: 270px;
    float: left;
    background: url("../img/JD42.jpg") no-repeat;
    background-size: 100% 100%;
    margin: 20px;
}
#inner {
    width: 1000px;
    height: 300px;
    background: linear-gradient(90deg, pink, hotpink);
}
#inner span {
    display: block;
    text-align: center;
    font-size: 35px;
    font-weight: bold;
    color: white;
    position: relative;
    top: 0;
}
#inner img {
    width: 80%;
    position: relative;
    left: 20px;
}
#inner_down {
    width: 1000px;
    height: 700px;
    background: linear-gradient(90deg, pink, hotpink);
}
#inner_down div {
    width: 20%;
    height: 270px;
    float: left;
    margin: 20px;
    position: relative;
    left: 2%;
    background: url("../img/JD60.jpg") no-repeat;
    background-size: 100% 100%;
}
#inner_down div img {
    width: 70%;
    position: relative;
    left: 29px;
    top: 20px;
}
#inner_down div span {
    display: block;
    text-align: center;
    font-size: 25px;
    color: white;
    position: relative;
    top: 18px;
}
#inner_down div strong {
    font-weight: bold;
    color: white;
    font-size: 35px;
    display: block;
    text-align: center;
    position: relative;
    top: 30px;
}
.recommended {
    width: 1000px;
}
.recommended img {
    width: 100%;
}
.bug {
    width: 1000px;
}
.bug img {
    width: 100%;
    height: 100%;
}                










