JavaScript 商品价格排序

来源：互联网发布：魔法王座翅膀进阶数据编辑：程序博客网时间：2024/05/01 20:06

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{margin: 0;padding: 0; }
li{list-style: none;}
img{display: block; border: none; }
.title{
width: 1000px; margin: 30px auto;
position: relative;
z-index:2;

height: 40px;
background: #f8f8f8;
border: 1px solid #ddd;
}
.title ul li{
float: left;
position: relative;
width: 75px;
height: 40px;
line-height: 40px;
text-align: center;
font-size: 12px;
cursor: pointer;
}
.title ul li span.red{
color: red;
}
.title ul li .hide{
display: none;
position: absolute;
top: 41px;
left: 0;
width: 100px;
height: 80px;
background: #fff;
border: 1px solid #ddd;
}
.title ul li .hide a{
display: block;
width: 100%;
height: 40px;
}
.title ul li .hide a:hover{color: red;}

#header{ margin: 30px auto;border: 1px solid #cccccc; width: 1000px; }
#header ul{overflow: hidden;}
#header ul li{ position: relative;
float: left;
width: 200px;
height: 230px;
padding: 10px;
margin: 10px 14px;
border: 1px solid #ddd;
}
img{
width: 200px;
height: 200px;
}
#header ul li p{
overflow: hidden;
font-size: 12px;
line-height: 20px;
margin-top: 5px;
}
#header ul li div.txt{
position: absolute;
bottom: 0;
right: 0;
width: 50px;
height: 50px;
background: url("img/price.png");
color: #ffe218;
font-weight: bold;
line-height: 50px;
text-align: center;
font-size: 14px;
}

</style>
</head>
<body>

<div id="box">
<div class="title">
<ul>
<li>流行</li>
<li>热销</li>
<li>上新</li>
<li id="price">
<span>价格</span>
<div class="hide">
<a>价格从高到低</a>
<a>价格从低到高</a>
</div>
</li>
</ul>
</div>

<div id="header">
<ul>
<li><img src="img/xh_img1.jpg">
<p>粉色浪漫系列玫瑰</p>
<div class="txt">￥<span>500</span></div>

</li>
<li><img src="img/xh_img2.jpg">
<p>粉色浪漫系列玫瑰</p>
<div class="txt">￥<span>500</span></div>
</li>
<li><img src="img/xh_img3.jpg">
<p>深红色经典玫瑰</p>
<div class="txt">￥<span>100</span></div>
</li>
<li><img src="img/xh_img4.jpg">
<p>清淡优雅百年百合</p>
<div class="txt">￥<span>300</span></div>

</li>
<li><img src="img/xh_img5.jpg">
<p>紫色冷艳系列</p>
<div class="txt">￥<span>700</span></div>

</li>
<li><img src="img/xh_img6.jpg">
<p>经典红色我的最爱</p>
<div class="txt">￥<span>130</span></div>

</li>
<li><img src="img/xh_img7.jpg">
<p>甜美七分袖荷叶边条纹设</p>
<div class="txt">￥<span>215</span></div>

</li>
<li><img src="img/xh_img8.jpg">
<p>甜美七分袖荷叶边条纹设</p>
<div class="txt">￥<span>97</span></div>

</li>
</ul>
</div>
</div>

<script>

/*1. 获取点击按钮事件;
2.创建数组 arr=[];
3.for循环arr[i]=[];将内容一个一个装里面 arr[i][0] arr[i][1];
4.点击排序 ; 排序前清空内容 ,在添加内容;
*/
var Price=document.getElementById("price");
var Hide=document.getElementsByClassName("hide")[0];
var HideA=document.querySelectorAll(".title .hide a");
var List=document.querySelectorAll("#header ul li");
var ListUl=document.querySelector("#header ul");
var arr=[];
Price.onmousemove=function () {
Hide.style.display="block";

};
Price.onmouseout=function () {
Hide.style.display="none";
};
for (var i=0; i<HideA.length; i++)
{
HideA[i].index=i;
HideA[i].onclick=function () {
Sort(this.index)
}
}
for ( i=0; i<List.length; i++)
{
arr[i]=[];
arr[i][0] = List[i].querySelector("img").src;

arr[i][1]=List[i].querySelector("p").innerHTML;
arr[i][2]=Number(List[i].querySelector("span").innerHTML);
console.log(arr[i][0])
}
function Sort(index) {

if (index)
{
arr.sort(function (a,b) {
return a[2]-b[2];
})
}
else {
arr.sort(function (a,b) {
return b[2]-a[2]
})
}
ListUl.innerHTML="";
for (i=0; i<List.length; i++)
{
ListUl.innerHTML+="<li><img src='"+arr[i][0]+"'><p>"+arr[i][1]+"</p><div class='txt'>￥<span>"+arr[i][2]+"</span></div> </li>"
}
}
</script>
</body>
</html>

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