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小程序做一個添加購物車選擇商品規格

標簽:
Html/CSS

小程序实现添加购物车选择规格

detail.wxml:


<swiper
class="swiper"
indicator-dots="{{indicatorDots}}"
autoplay="{{autoplay}}"
interval="{{interval}}"
duration="{{duration}}"
circular="{{circular}}">
<block
wx:for="{{picture}}">
<swiper-item>
<image
class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="{{item.img}}"
mode='scaleToFill'
class="slide-image"/>
</swiper-item>
</block>
</swiper>
<view
class="goods">
<view
class='name'>{{goods_info.goods_name}}</view>
<view
class='price'>
<text
class='left'>¥</text><text
class='shop_price'>{{goods_info.shop_price}}</text>
<text
class='market_price'>{{goods_info.market_price}}</text>
</view>
</view>
<view
class='line'></view>
<view
class='choose_spec'>
<text
class='left'>已选</text>
<view
class='spec'>{{selectName}}</view>
<view
class='more'
bindtap='modal_show'
data-flag="0"><image
class='right'
src='/images/detail/more.png'
bindtap='choose_spec'></image></view>
</view>
<view
class='line'></view>
<view
class='comment_head'>
<text>评价</text>
<view
class='comment_right'>
<image
class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="/images/detail/more.png"></image>
</view>
</view>
<view
class="line1"></view>
<view
class='comment'>
<view
class="top">
<view
class='head_img'
style="background: url(') no-repeat; background-size: cover;"></view>
<text
class='nick_name'>疯狂的李狗蛋儿</text>
<image
class='star'
class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="/images/detail/star5.png"></image>
</view>
<view
class='comment_content'>回家为维护和额我好卡IE我人文环境人文环境业务8二维大家很快哒二球的大健康大厦火炬大厦会尽快打死大家好的委屈的健康啦即可登录三打架了可完全打卡机</view>
<view
class='comment_img'>
<image
class='comment_item_img'
class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="
<view
class='cart_font'>购物车</view>
</view>
<view
class='buy'
bindtap='modal_show'
data-flag="1">立即购买</view>
<view
class='addCart'
bindtap='modal_show'
data-flag="2">加入购物车</view>
</view>

<view
class='mask'
style="display:{{choose_modal}}"></view>
<view
class="choose"
style="display:{{choose_modal}}">
<view
class="spec_img_container">
<image
class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="{{default_spe_img}}"></image>
<view
class="amount">¥{{amount}}</view>
<icon
class="clear"
type='clear'
bindtap="modal_none"></icon>
</view>

<view
class="spec_view_container">
<view
class="modal_de_select">{{selectName}}</view>
<view
class="modal_spec">
<block
wx:for="{{spec}}"
wx:for-index="group_idx">
<view
class="modal_spec_name">{{item.name}}:</view>
<view
class='modal_spec_group'>
<block
wx:for="{{item.child}}">
<view
class="modal_spec_item_{{item.isSelect ? 'active' : ''}}"
data-select-index="{{group_idx}}"
data-attr-index="{{index}}"
data-attr-id="{{item.id}}"
bindtap='clickAttr'>{{item.name}}</view>
</block>
</view>
</block>
</view>
</view>

<view
class="buy_num">
<view
class="font_num">购买数量:</view>
<view
class="stepper">

<text
class="{{minusStatus}}"
bindtap="bindMinus">-</text>

<input
type="number"
bindchange="bindManual"
value="{{num}}"
/>

<text
class="normal"
bindtap="bindPlus">+</text>
</view>
</view>
<block
wx:if="{{flag > 0}}">
<view
class="modal_button">确认</view>
</block>
<block
else>
<view
class="modal_button_two">
<button
class="modal_cart">加入购物车</button>
<button
class="modal_buy">立即购买</button>
</view>
</block>
</view>

detail.wxss:

.swiper{
height: 750rpx;
width: 750rpx;
box-sizing: border-box;
}
.swiper .slide-image{
width: 750rpx;
height: 750rpx;
}
.goods{
width: 750rpx;
height: 215rpx;
padding: 34rpx
30rpx;
box-sizing: border-box;
}
.goods .name{
width: 702rpx;
height: 70rpx;
line-height:
35rpx;
font-size: 28rpx;
overflow: hidden;
display: -webkit-box;
-webkit-box-orient:
vertical;
-webkit-line-clamp:
2;
}
.goods .name{
width: 702rpx;
height: 70rpx;
}
.goods .price{
margin-top:20rpx;
color: #C62127;
font-size: 32rpx;
}
.goods .price
.left{
font-size: 24rpx;
}
.goods .price
.shop_price{
font-weight:
700;
}
.goods .price
.market_price{
font-size: 24rpx;
color: #D7D7D7;
margin-left:20rpx;
text-decoration-line:
line-through;
}
.line{
width: 750rpx;
height: 10rpx;
background: #EFEFF4;
}
.choose_spec{
width: 750rpx;
height: 90rpx;
padding: 0
20rpx;
line-height:
90rpx;
box-sizing: border-box;
}
.choose_spec
.left{
font-size: 24rpx;
color: #B6B6B6;
float: left;
}
.choose_spec
.spec{
height: 90rpx;
width: 550rpx;
margin-left:30rpx;
line-height:
90rpx;
font-size: 24rpx;
color: #707070;
float: left;
}
.choose_spec
.more{
width: 60rpx;
height: 90rpx;
margin-left:650rpx;
}
.choose_spec
.right{
width: 38rpx;
height: 8rpx;
}
.comment_head{
width: 750rpx;
height: 90rpx;
line-height:
90rpx;
font-size: 24rpx;
color: #B6B6B6;
padding: 0
20rpx;
box-sizing: border-box;
}
.comment_head
text{
float: left;
}
.comment_head
.comment_right{
width: 50rpx;
height: 90rpx;
float: left;
margin-left:604rpx;
}
.comment_head
image{
width: 38rpx;
height: 8rpx;
}
.line1{
width: 750rpx;
height: 2rpx;
background:#D7D7D7;
}
.comment{
width: 750rpx;
height: 428rpx;
padding: 20rpx
20rpx;
box-sizing: border-box;
}
.comment .top{
width: 100%;
height: 100rpx;
line-height:
100rpx;
}
.comment .top
.head_img{
width: 100rpx;
height: 100rpx;
border-radius:
50%;
float: left;
}
.comment .top
.nick_name{
font-size: 21rpx;
margin-left:12rpx;
}
.comment .top
.star{
width: 120rpx;
height: 18rpx;
margin-left:310rpx;
}
.comment .comment_content{
margin-top:20rpx;
height: 64rpx;
line-height:
32rpx;
font-size: 24rpx;
overflow: hidden;
display: -webkit-box;
-webkit-box-orient:
vertical;
-webkit-line-clamp:
2;
}
.comment .comment_img{
height: 165rpx;
width: 165rpx;
overflow: hidden;
margin-top:20rpx;
}
.comment .comment_img{
height: 165rpx;
width: 100%;
}
.comment .comment_img
.comment_item_img{
width: 165rpx;
height: 165rpx;
box-sizing: border-box;
/* border:2rpx #C62127 solid; */
padding: 10rpx
10rpx;
}
.des{
width: 750rpx;
margin-bottom:
100rpx;
}
.des .des_head{
width: 750rpx;
height: 100rpx;
line-height:
100rpx;
font-size: 28rpx;
color: #707070;
text-align: center;
}
.des .des_img{
width: 750rpx;
}
.detail_footer{
width: 750rpx;
height: 100rpx;
position: fixed;
bottom: 0;
border-top: 4rpx

D7D7D7 solid;

box-sizing: border-box;
}
.detail_footer
.detail_cart{
width: 250rpx;
height: 100rpx;
background: #fff;
float: left;
}
.detail_footer
.detail_cart image{
width: 46rpx;
height: 46rpx;
margin-left:
100rpx;
margin-top:10rpx;
}
.detail_footer
.detail_cart .cart_font{
font-size: 24rpx;
text-align:center;
}
.detail_footer
.buy{
width: 250rpx;
height: 100rpx;
background:#FF9500;
margin-left:250rpx;
text-align: center;
line-height:
100rpx;
color: #fff;
}
.detail_footer
.addCart{
position: fixed;
bottom: 0;
right: 0;
width: 250rpx;
height: 99rpx;
background: #C62127;
text-align: center;
line-height:
99rpx;
color: #fff;
}
/蒙版 /
.mask{
width: 750rpx;
height: 100%;
background: #C0C0C0;
z-index: 10;
position: fixed;
top: 0;
opacity: 0.8;
}
/
选择规格层面
/
.choose{
display: none;
flex-direction:
row;
align-items:
center;
background-color:

fff;

position: fixed;
bottom: 0;
right: 0;
/* border: 1px solid #f44336; /
z-index: 100;
width: 750rpx;
box-sizing: border-box;
}
/
知道从来点击来时候 */
.choose .modal_button{
flex-direction:
row;
background-color:

C62127;

position: inherit;
bottom: 0;
z-index: 100;
width: 750rpx;
height: 106rpx;
line-height:106rpx;
color: #fff;
text-align:center;
margin:0
auto;
}
/不知道从哪点进来时候/
.choose .modal_button_two{
flex-direction:
row;
align-items:
center;
float: left;
background-color:

fff;

position: inherit;
bottom: 0;
right: 0;
z-index: 10;
width: 100%;
height: 50px;
}
.choose .modal_button_two
button{
width: 50%;
float: left;
color: #fff;
border-radius:
0px;
}
.choose .modal_button_two
.modal_cart{
background: #FFB03F;
}
.choose .modal_button_two
.modal_buy{
background: #f44336;
}
/* */
.choose .spec_img_container{
height:100px;
border-bottom:
2px solid #F5F5F5;
position: relative;
}
.choose .spec_img_container
image{
width: 200rpx;
height: 200rpx;
position: absolute;
top:-40rpx;
left: 20rpx;
border: 2px

F5F5F5 solid;

border-radius:
5px;
}
.choose .spec_img_container
.amount{
width: 400rpx;
color: red;
position: absolute;
top: 80rpx;
left:240rpx;
}
.choose .spec_img_container
.clear{
position:absolute;
top:20rpx;
right:20rpx;
}
.choose .spec_view_container{
width: 100%;
}
.choose .spec_view_container
.modal_de_select{
font-size: 28rpx;
color: #808080;
margin-left:
20rpx;
margin-top:10rpx;
}
.choose .spec_view_container
.modal_spec{
margin-left:20rpx;
margin-top:10rpx;
font-size:28rpx;
}
.choose .spec_view_container
.modal_spec_name{
margin-left:5rpx;
margin-top:10rpx;
font-size:28rpx;
color:#8B0000;
}
/* .choose .spec_view_container .modal_spec_name::after{
content: "";
clear: both;
display: block;
overflow: hidden;
} /
/
.choose .spec_view_container .radio-group{
padding:18rpx;
} */
.choose .spec_view_container
.modal_spec_item_{
width: 750rpx;
display: inline-block;
width:fit-content;
width:-webkit-fit-content;
width:-moz-fit-content;
min-width: 80rpx;
max-width: 400rpx;
height: 50rpx;
line-height:
50rpx;
border: 2rpx

707070 solid;

margin-left:20rpx;
margin-top:20rpx;
border-radius:
10rpx;
text-align: center;
}
.choose .spec_view_container
.modal_spec_item_active{
width: 750rpx;
display: inline-block;
width:fit-content;
width:-webkit-fit-content;
width:-moz-fit-content;
min-width: 80rpx;
max-width: 400rpx;
height: 50rpx;
line-height:
50rpx;
/* border: 2rpx red solid; /
margin-left:20rpx;
margin-top:20rpx;
border-radius:
10rpx;
text-align: center;
background: #C62127;
color: #fff;
}
.choose .buy_num {
margin-top:40rpx;
margin-bottom:
120rpx;
font-size: 28rpx;
}
.choose .buy_num
.font_num{
margin-left:
20rpx;
}
/
主容器/
.choose .buy_num
.stepper {
width: 200rpx;
height: 62rpx;
/
给主容器设一个边框/
border: 2rpx
solid #ccc;
border-radius:
3px;
margin-left:40rpx;
margin-top:20rpx;
}
/
加号和减号/
.choose .buy_num
.stepper text {
width: 58rpx;
line-height:
62rpx;
text-align:
center;
float: left;
}
/
数值/
.choose .buy_num
.stepper input {
width: 80rpx;
height: 62rpx;
float: left;
margin: 0
auto;
text-align:
center;
font-size:
32rpx;
/
给中间的input设置左右边框即可*/
border-left:
2rpx solid

ccc;

border-right:
2rpx solid

ccc;

}
/普通样式/
.choose .buy_num
.stepper .normal{
color: black;
}
/禁用样式/
.choose .buy_num
.stepper .disabled{
color: #ccc;
}

detail.js:

const app = getApp();
var selectIndex;//选择的大规格key
var attrIndex;//选择的小规格的key
var selectIndexArray = [
];//选择属性名字的数组
var selectAttrid = [];//选择的属性id
Page({
/**



作者:周瑾ruiqi
链接:https://www.jianshu.com/p/1656398a071f


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