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538 lines
13 KiB
538 lines
13 KiB
<template>
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<view class="container">
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<!-- 页面顶部 -->
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<UiPageHeader :back="true">
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<template slot="custom">
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<view>
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<text>购物车</text>
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<text v-if="list.length">({{list.length}})</text>
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</view>
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<view v-if="mode == 'normal'" class="head--edit" @click="handleToggleMode">编辑</view>
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<view v-else class="head--finsh" @click="handleToggleMode">完成</view>
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</template>
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</UiPageHeader>
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<u-loadmore v-if="isLoading" status="loading" />
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<!-- 购物车数据为空 -->
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<BsEmpty v-if="!list.length && !isLoading" class="empty"
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tips="去挑点喜欢的好货吧~">
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<image slot="icon" class="empty--icon" src="@/static/goods/cart.png"></image>
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<view slot="btn" class="empty--btn" @click="$Router.push('/')">去逛逛</view>
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</BsEmpty>
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<!-- 购物车商品列表 -->
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<view v-else class="cart-list">
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<view class="cart-item" v-for="(item, index) in list" :key="index"
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@click="$Router.push(`goodsDetail?id=${item.id}`)">
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<label class="cart-item--radio" @click.stop="handleCheckItem(item.id)">
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<radio class="radio" color="#FF875B"
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:checked="checkedIds.length ? checkedIds.includes(item.id) : false" />
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</label>
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<image class="cart-item--image" :src="item.product.mainPicture" mode="scaleToFill"></image>
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<view class="cart-item--content">
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<view class="cart-item--title"><text>{{ item.product.name }}</text></view>
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<view class="cart-item--props">
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<view class="cart-item--props-item" >
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<text>{{ item.productSku.name }}</text>
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</view>
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</view>
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<view class="cart-item--footer">
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<view class="cart-item--price">
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<text class="unit">￥</text>
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<text class="value">{{ item.productSku.sellPrice }}</text>
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</view>
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<view class="cart-item--stepper">
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<u-number-box :min="1" button-size="40rpx" bgColor="#F5F6FA"
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:value="item.number" :max="item.maxBuyNum" @change="onChangeStepper($event, item)" >
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<text slot="minus" class="cart-item--stepper-icon">-</text>
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<text slot="plus" class="cart-item--stepper-icon">+</text>
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</u-number-box>
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</view>
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</view>
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</view>
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</view>
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</view>
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<template v-if="!isLoading">
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<view class="title">为您推荐</view>
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<BsChoiceGoods></BsChoiceGoods>
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</template>
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<!-- 底部操作栏 -->
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<view v-if="list.length" class="footer">
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<label class="all-radio" @click="handleCheckAll">
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<radio class="radio" color="#fa2209"
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:checked="checkedIds.length > 0 && checkedIds.length === list.length" />
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<text>全选</text>
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</label>
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<view class="total-info">
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<text>合计：</text>
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<view class="goods-price">
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<text class="unit">￥</text>
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<text class="value">{{ totalPrice }}</text>
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</view>
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</view>
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<view class="cart-action">
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<view class="btn-wrapper">
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<!-- dev:下面的disabled条件使用checkedIds.join方式判断 -->
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<!-- dev:通常情况下vue项目使用checkedIds.length更合理, 但是length属性在微信小程序中不起作用 -->
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<view v-if="mode == 'normal'" class="btn-item btn-main" :class="{ disabled: checkedIds.length === 0 }"
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@click="handleOrder()">
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<text>去结算 {{ checkedIds.length > 0 ? `(${checkedIds.length})` : '' }}</text>
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</view>
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<view v-if="mode == 'edit'" class="btn-item btn-main" :class="{ disabled: !checkedIds.length }"
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@click="handleDelete()">
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<text>删除</text>
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</view>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>import { Debounce } from '@/common/utils';
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import BsEmpty from '@/components/BsEmpty.vue';
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import BsChoiceGoods from '@/components/BsChoiceGoods.vue';
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import UiPageHeader from '../../components/UiPageHeader.vue';
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import {ApiGetCartList, ApiPutCartNum, ApiDeleteCartGoods} from '@/common/api/cart';
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const CartIdsIndex = 'CartIds'
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export default {
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components: {
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BsEmpty,
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BsChoiceGoods,
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UiPageHeader
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},
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data() {
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return {
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// 正在加载
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isLoading: true,
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// 当前模式: normal正常 edit编辑
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mode: 'normal',
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// 购物车商品列表
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list: [],
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// 购物车商品总数量
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total: null,
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// 选中的商品ID记录
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checkedIds: [],
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}
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},
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watch: {
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// 监听选中的商品
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checkedIds: {
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handler(val) {
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// 记录到缓存中
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console.log(val);
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uni.setStorageSync(CartIdsIndex, val)
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},
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immediate: false
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}
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},
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computed : {
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totalPrice(){
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const checkedList = this.list.filter(item => this.checkedIds.includes(item.id));
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let tempPrice = 0;
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checkedList.forEach(item => {
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// 商品单价, 为了方便计算先转换单位为分 (整数)
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const unitPrice = item.productSku.sellPrice * 100
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tempPrice += unitPrice * item.number
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});
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return (tempPrice / 100).toFixed(2)
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}
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},
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/**
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* 生命周期函数--监听页面显示
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*/
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onShow(options) {
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// 获取购物车商品列表
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this.getCartList();
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this.isLoading = false
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// 获取缓存中的选中记录
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this.checkedIds = uni.getStorageSync(CartIdsIndex)
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},
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methods: {
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/**
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* 获取购物车商品列表
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*/
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async getCartList() {
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this.isLoading = true;
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const {error, result} = await ApiGetCartList();
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if(error){
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uni.$u.toast(error.message);
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return false;
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}
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this.list = result.map(item => {
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const singleBuyLimit = item.product.singleBuyLimit;
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const stock = item.productSku.stock;
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const maxBuyNum = singleBuyLimit ? Math.min(singleBuyLimit, stock || 1) : stock
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return {
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...item,
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maxBuyNum
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}
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});
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this.onClearInvalidId();
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this.isLoading = false;
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},
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/**
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* 清除checkedIds中无效的ID
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*/
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onClearInvalidId() {
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// const app = this
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// const listIds = app.list.map(item => item.id)
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this.checkedIds = this.checkedIds.filter(i => this.list.findIndex(item => item.id === i));
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// listIds.filter(val => checkedIds.indexOf(val) > -1)
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},
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/**
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* 切换当前模式
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*/
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handleToggleMode() {
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this.mode = this.mode == 'normal' ? 'edit' : 'normal'
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},
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/**
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* 监听步进器更改事件
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*/
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onChangeStepper({ value }, item) {
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// 这里是组织首次启动时的执行
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if (item.number == value) {
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uni.$u.toast('数量不能再少了');
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return false
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}
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// 记录一个节流函数句柄
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if (!item.debounceHandle) {
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item.oldValue = item.number
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item.debounceHandle = Debounce(this.updateCartNum, 500)
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}
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// 更新商品数量
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item.number = value
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// 提交更新购物车数量 (节流)
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item.debounceHandle(item, item.oldValue, value);
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},
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/**
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* 提交更新购物车数量
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*/
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async updateCartNum(item, oldValue, newValue) {
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const {error, result} = await ApiPutCartNum({
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id : item.id,
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number : item.number
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});
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if(error){
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this.$toast(error.message);
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item.number = item.sku;
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return false;
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}
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if(result.isBeyondMaxLimit){
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uni.$u.toast('数量超出范围');
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item.number = result.canSetShoppingCartNumber;
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return false;
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}
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},
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/**
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* 选中商品
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*/
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handleCheckItem(cartId) {
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const { checkedIds } = this
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const index = checkedIds.findIndex(id => id === cartId)
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index < 0 ? checkedIds.push(cartId) : checkedIds.splice(index, 1)
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},
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/**
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* 全选事件
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*/
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handleCheckAll() {
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const { checkedIds, list } = this
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this.checkedIds = checkedIds.length === list.length ? [] : list.map(item => item.id)
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},
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/**
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* 结算选中的商品
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*/
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handleOrder() {
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const ids = this.checkedIds;
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if (ids.length) {
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app.$Router.push('orderSubmit', { mode: 'cart', ids:ids.join(',') })
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}
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},
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/**
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* 删除选中的商品
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*/
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handleDelete() {
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const ids = this.checkedIds;
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if (!ids.length) {
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return false
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}
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uni.showModal({
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title: '友情提示',
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content: '您确定要删除该商品吗？',
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showCancel: true,
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success:async ()=> {
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const {error} = await ApiDeleteCartGoods({idList : ids.join(',')});
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if(error){
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uni.$u.toast(error.message);
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return false;
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}
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this.list = this.list.filter(item => !ids.includes(item.id));
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// this.checkedIds = [];
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this.onClearInvalidId();
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}
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})
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}
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}
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}
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</script>
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<style>
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page {
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background: #f5f5f5;
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padding-bottom: 240rpx;
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}
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</style>
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<style lang="scss" scoped>
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// 页面顶部
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.head {
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height: 88rpx;
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 0 30rpx;
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background-color: #fff;
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position: sticky;
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top: var(--window-top);
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z-index: 999;
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&--totla{
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font-size: 36rpx;
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color: #333;
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}
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&--edit,&--finsh{
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font-size: 28rpx;
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color: #999;
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}
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&--finsh{
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color: #FF512B;
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}
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}
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// 购物车列表
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.cart-list {
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background: #fff;
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}
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.cart-item {
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width: 690rpx;
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display: flex;
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align-items: center;
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padding: 30rpx 0;
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margin: 0 auto 24rpx auto;
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border-bottom: 1px solid #eee;
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&--radio {
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width: 56rpx;
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height: 80rpx;
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line-height: 80rpx;
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margin-right: 10rpx;
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text-align: center;
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.radio {
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transform: scale(0.76)
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}
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}
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&--image {
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width: 170rpx;
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height: 170rpx;
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display: block;
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border-radius: 12rpx;
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}
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&--content {
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flex: 1;
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padding-left: 24rpx;
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}
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&--title {
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font-size: 28rpx;
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line-height: 39rpx;
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max-height: 76rpx;
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overflow: hidden;
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text-overflow: ellipsis;
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display:-webkit-box;
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-webkit-box-orient:vertical;
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-webkit-line-clamp:2;
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}
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&--props {
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margin-top: 14rpx;
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height: 40rpx;
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color: #ababab;
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font-size: 24rpx;
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overflow: hidden;
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&-item {
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display: inline-block;
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margin-right: 14rpx;
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}
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}
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&--footer {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-top: 20rpx;
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}
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&--price {
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vertical-align: bottom;
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color: #FF512B;
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.unit {
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font-size: 20rpx;
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}
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.value {
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font-size: 22rpx;
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font-weight: bold;
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}
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}
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&--stepper-icon{
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font-size: 38rpx;
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color: #ccc;
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margin:0 14rpx;
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}
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&--stepper-input{
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height:40rpx;
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margin: 0 14rpx;
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}
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}
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// 空数据按钮
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.empty{
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background: #fff;
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&--btn {
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width: 220rpx;
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margin: 0 auto 10rpx auto;
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font-size: 28rpx;
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height: 64rpx;
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line-height: 64rpx;
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text-align: center;
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color: #333;
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border-radius: 50rpx;
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border: 1px solid rgb(192, 185, 185);
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}
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&--icon{
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width: 304rpx;
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height: 192rpx;
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}
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}
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.title{
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font-size: 32rpx;
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text-align: center;
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margin: 51rpx auto 30rpx auto;
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display: flex;
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align-items: center;
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justify-content: space-between;
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width: 500rpx;
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&::after,&::before{
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display: inline-block;
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content: '';
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width: 160rpx;
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height: 2rpx;
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background: linear-gradient(90deg, #CCCCCC 0%, rgba(204, 204, 204, 0) 100%);
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}
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&::before{
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background: linear-gradient(270deg, #CCCCCC 0%, rgba(204, 204, 204, 0) 100%);
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}
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}
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// 底部操作栏
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.footer {
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display: flex;
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align-items: center;
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height: 96rpx;
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background: #fff;
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padding: 0 30rpx;
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position: fixed;
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bottom: 120rpx;
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left: 0;
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right: 0;
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z-index: 11;
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.all-radio {
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width: 140rpx;
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display: flex;
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align-items: center;
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color: #666;
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font-size: 24rpx;
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.radio {
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margin-bottom: -4rpx;
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transform: scale(0.76)
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}
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}
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.total-info {
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flex: 1;
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display: flex;
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align-items: center;
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justify-content: flex-end;
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padding-right: 30rpx;
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font-size: 24rpx;
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color: #666;
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.goods-price {
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vertical-align: bottom;
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color: #FF512B;
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.unit {
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font-size: 24rpx;
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}
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.value {
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font-size: 32rpx;
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}
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}
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}
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.cart-action {
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width: 200rpx;
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.btn-wrapper {
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height: 100%;
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display: flex;
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align-items: center;
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}
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.btn-item {
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flex: 1;
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font-size: 28rpx;
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height: 72rpx;
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line-height: 72rpx;
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text-align: center;
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color: #fff;
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border-radius: 50rpx;
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}
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// 立即购买按钮
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.btn-main {
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background: #FF512B;//linear-gradient(to right, #f9211c, #ff6335);
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// 禁用按钮
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&.disabled {
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background: #ff9779;
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}
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}
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}
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}
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</style>
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