效果图
GIF 2020-1-6 16-05-18.gif
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
body {
font-family: "Microsoft YaHei";
background-color: #f2f2f2;
background-color: rgba(0, 0, 0, 0.6)
}
ol,
ul {
list-style: none;
}
li {
list-style-type: none;
}
.clearfix:after {
display: block;
overflow: hidden;
clear: both;
height: 0;
visibility: hidden;
content: "";
}
* {
margin: 0;
padding: 0;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
@media screen and (max-width: 319px) {
html {
font-size: 42.666665px;
}
}
@media screen and (min-width: 320px) and (max-width: 359px) {
html {
font-size: 42.66666px;
}
}
@media screen and (min-width: 360px) and (max-width: 374px) {
html {
font-size: 48px;
}
}
@media screen and (min-width: 375px) and (max-width: 383px) {
html {
font-size: 50px;
}
}
@media screen and (min-width: 384px) and (max-width: 399px) {
html {
font-size: 51.2px;
}
}
@media screen and (min-width: 400px) and (max-width: 413px) {
html {
font-size: 53.333335px;
}
}
@media screen and (min-width: 414px) {
html {
font-size: 55.2px;
}
}
.productBox {
position: fixed;
bottom: 0;
left: 0;
width: 100%;
background-color: #fff;
}
.productConten {
margin-bottom: 1rem;
}
.product-delcom {
padding: 0.24rem 7%;
color: #323232;
font-size: 0.26rem;
border-bottom: 1px solid #EEEEEE;
}
.product-footerlist {
margin-top: 0.1rem;
}
.product-footerlist li {
border: 1px solid #606060;
border-radius: 0.08rem;
color: #606060;
text-align: center;
padding: 0.04rem 0.16rem;
float: left;
margin-right: 0.16rem;
min-width: 0.96rem;
margin-bottom: 0.16rem;
}
.product-footerlist li.productActive {
background-color: #1A1A29;
color: #fff;
border: 1px solid #1A1A29;
}
.product-footerlist li.noneActive {
background-color: #ccc;
opacity: 0.4;
color: #000;
pointer-events: none;
}
.product-footer {
display: -webkit-box;
display: -webkit-flex;
display: flex;
-webkit-flex: 1;
-webkit-box-flex: 1;
flex: 1;
background-color: #1A1A29;
line-height: 1rem;
text-align: center;
}
.product-footer a {
-webkit-flex: 1;
-webkit-box-flex: 1;
flex: 1;
color: #fff;
font-size: 0.3rem;
text-decoration: none;
}
</style>
</head>
<body>
<div id="vmsimulatedDATA" class="productBox">
<div class="productConten">
<div class="product-delcom" v-for="(ProductItem,n) in simulatedDATA.specifications">
<p>{{ProductItem.name}}</p>
<ul class="product-footerlist clearfix">
<li v-for="(oItem,index) in ProductItem.item"
v-on:click="specificationBtn(oItem.name,n,$event,index)"
v-bind:class="[oItem.isShow?'':'noneActive',subIndex[n] == index?'productActive':'']">
<!-- v-bind:class="[oItem.isShow?'':'noneActive',subIndex[n] == index?'productActive':'']"> -->
{{oItem.name}}</li>
</ul>
</div>
</div>
<div class="product-footer">
<a href="javascript:">立即购买</a>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script>
var vmsimulatedDATA = new Vue({
el: "#vmsimulatedDATA",
data: {
simulatedDATA:
{ //模拟后台返回的数据 多规格
"difference": [{ //所有的规格可能情况都在这个数组里
"id": "19",
"price": "200.00",
"stock": "19",
"difference": "100,白色,10G"
},
{ //所有的规格可能情况都在这个数组里
"id": "191",
"price": "200.00",
"stock": "19",
"difference": "100,白色,50G"
},
{
"id": "20",
"price": "300.00",
"stock": "29",
"difference": "200,白色,10G"
},
{
"id": "201",
"price": "300.00",
"stock": "29",
"difference": "200,白色,50G"
},
{
"id": "21",
"price": "300.00",
"stock": "10",
"difference": "100,黑丝,10G"
},
{
"id": "211",
"price": "300.00",
"stock": "10",
"difference": "100,黑丝,50G"
},
{
"id": "22",
"price": "300.00",
"stock": "0",
"difference": "200,黑丝,10G"
},
{
"id": "221",
"price": "300.00",
"stock": "0",
"difference": "200,黑丝,50G"
},
{
"id": "23",
"price": "500.00",
"stock": "48",
"difference": "100,绿色,50G"
},
{
"id": "231",
"price": "500.00",
"stock": "48",
"difference": "100,绿色,10G"
},
{
"id": "24",
"price": "500.00",
"stock": "0",
"difference": "200,绿色,50G"
},
{
"id": "241",
"price": "500.00",
"stock": "0",
"difference": "200,绿色,10G"
}
],
"specifications": [{ //这里是要被渲染字段
"name": "尺寸",
"item": [{
"name": "100",
},
{
"name": "200",
}
]
},
{
"name": "颜色",
"item": [{
"name": "白色",
},
{
"name": "黑丝",
},
{
"name": "绿色",
}
]
},
{
"name": "内存",
"item": [{
"name": "10G",
},
{
"name": "50G",
}
]
},
]
},
selectArr: [], //存放被选中的值
shopItemInfo: {}, //存放要和选中的值进行匹配的数据
subIndex: [], //是否选中 因为不确定是多规格还是但规格，所以这里定义数组来判断
},
created: function () {
var self = this;
for (var i in self.simulatedDATA.difference) {
self.shopItemInfo[self.simulatedDATA.difference[i].difference] = self.simulatedDATA
.difference[
i]; //修改数据结构格式，改成键值对的方式，以方便和选中之后的值进行匹配
}
console.log(this.shopItemInfo);
self.checkItem();
},
mounted: function () {
},
methods: {
specificationBtn: function (item, n, event, index) {
var self = this;
if (self.selectArr[n] != item) {
self.selectArr[n] = item;
self.subIndex[n] = index;
} else {
self.selectArr[n] = "";
self.subIndex[n] = -1; //去掉选中的颜色
}
self.checkItem();
},
checkItem: function () {
var self = this;
var option = self.simulatedDATA.specifications;
var result = []; //定义数组存储被选中的值
console.log(option,'option');
for (var i in option) {
result[i] = self.selectArr[i] ? self.selectArr[i] : '';
}
//result//被选中的值数组
for (var i in option) {
var last = result[i]; //把选中的值存放到字符串last去
for (var k in option[i].item) {
result[i] = option[i].item[k].name; //赋值，存在直接覆盖，不存在往里面添加name值
option[i].item[k].isShow = self.isMay(result); //在数据里面添加字段isShow来判断是否可以选择
}
result[i] = last; //还原，目的是记录点下去那个值，避免下一次执行循环时避免被覆盖
}
self.$forceUpdate(); //重绘
},
isMay: function (result) {
console.log(result,'result');
for (var i in result) {
if (result[i] == '') {
return true; //如果数组里有为空的值，那直接返回true
}
}
console.log(result,'12');
console.log(this.shopItemInfo,'13')
return this.shopItemInfo[result].stock == 0 ? false :
true; //匹配选中的数据的库存，若不为空返回true反之返回false
}
}
})
</script>
</body>
</html>
