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527 lines
13 KiB
527 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="title">
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<text>购物车</text>
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<text v-if="total">({{total}})</text>
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</template>
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<template slot="operation" v-if="list.length">
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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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<!-- 购物车商品列表 -->
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<view v-if="list.length" class="cart-list">
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<view class="cart-item" v-for="(item, index) in list" :key="index"
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@click="onTargetGoods(item.goods_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.find(i => i === item.id) : false" />
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</label>
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<image class="cart-item--image" :src="item.goods.goods_image" mode="scaleToFill"></image>
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<view class="cart-item--content">
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<view class="cart-item--title"><text>{{ item.goods.goods_name }}</text></view>
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<view class="cart-item--props">
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<view class="cart-item--props-item" v-for="(props, idx) in item.goods.skuInfo.goods_props" :key="idx">
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<text>{{ props.value.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.goods.skuInfo.goods_price }}</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.goods_num" @change="onChangeStepper($event, item)" >
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<text slot="minus" class="cart-item--stepper-icon">-</text>
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<!-- <text slot="input" class="cart-item--stepper-input">{{item.goods_num}}</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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<!-- 购物车数据为空 -->
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<BsEmpty v-if="!list.length" 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="onTargetIndex">去逛逛</view>
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</BsEmpty>
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<view class="title">为您推荐</view>
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<BsGoodsGroup></BsGoodsGroup>
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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" :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>
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import { debounce } from '@/common/utils/utils';
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import BsEmpty from '@/components/BsEmpty.vue';
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import BsGoodsGroup from '@/components/BsGoodsGroup.vue';
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import cartData from '@/mock/cart.json'
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import UiPageHeader from '../../components/UiPageHeader.vue';
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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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BsGoodsGroup,
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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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// 选中的商品总金额
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totalPrice: '0.00'
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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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// 计算合计金额
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this.onCalcTotalPrice()
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// 记录到缓存中
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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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// 监听购物车商品总数量
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total(val) {
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// 缓存并设置角标
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// setCartTotalNum(val)
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// setCartTabBadge()
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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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// checkLogin() ? this.getCartList() : this.isLoading = false
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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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// 计算合计金额 (根据选中的商品)
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onCalcTotalPrice() {
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const app = this
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// 选中的商品记录
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const checkedList = app.list.filter(item => app.checkedIds.length ? app.checkedIds.find(i => i === item.id) : false)
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// 计算总金额
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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.goods.skuInfo.goods_price * 100
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tempPrice += unitPrice * item.goods_num
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})
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app.totalPrice = (tempPrice / 100).toFixed(2)
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},
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// 获取购物车商品列表
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getCartList() {
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const app = this
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app.isLoading = true
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// CartApi.list()
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// .then(result => {
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// app.list = result.data.list
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// app.total = result.data.cartTotal
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// // 清除checkedIds中无效的ID
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// app.onClearInvalidId()
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// })
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// .finally(() => app.isLoading = false)
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},
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// 清除checkedIds中无效的ID
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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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app.checkedIds = listIds.filter(val => checkedIds.indexOf(val) > -1)
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},
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// 切换当前模式
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handleToggleMode() {
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this.mode = this.mode == 'normal' ? 'edit' : 'normal'
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},
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// 监听步进器更改事件
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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.goods_num == value) return
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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.goods_num
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item.debounceHandle = debounce(this.onUpdateCartNum, 500)
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}
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// 更新商品数量
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item.goods_num = 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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// 提交更新购物车数量
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onUpdateCartNum(item, oldValue, newValue) {
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const app = this
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// CartApi.update(item.goods_id, item.goods_sku_id, newValue)
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// .then(result => {
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// // 更新商品数量
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// app.total = result.data.cartTotal
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// // 重新计算合计金额
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// app.onCalcTotalPrice()
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// // 清除节流函数句柄
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// item.debounceHandle = null
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// })
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// .catch(err => {
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// // 还原商品数量
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// item.goods_num = oldValue
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// setTimeout(() => app.$toast(err.errMsg), 10)
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// })
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},
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// 跳转到商品详情页
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onTargetGoods(goodsId) {
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this.$navTo('pages/goods/detail', { goodsId })
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},
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// 点击去逛逛按钮, 跳转到首页
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onTargetIndex() {
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this.$navTo('pages/index/index')
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},
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// 选中商品
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handleCheckItem(cartId) {
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const { checkedIds } = this
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const index = checkedIds.findIndex(id => id === cartId)
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index < 0 ? checkedIds.push(cartId) : checkedIds.splice(index, 1)
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},
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// 全选事件
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handleCheckAll() {
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const { checkedIds, list } = this
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this.checkedIds = checkedIds.length === list.length ? [] : list.map(item => item.id)
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},
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// 结算选中的商品
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handleOrder() {
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const app = this
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if (app.checkedIds.length) {
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const cartIds = app.checkedIds.join()
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app.$Router.push('/pages/order/submit', { mode: 'cart', cartIds })
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}
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},
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// 删除选中的商品弹窗事件
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handleDelete() {
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const app = this
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if (!app.checkedIds.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({ confirm }) {
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// 确认删除
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confirm && app.onClearCart()
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}
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})
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},
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// 确认删除商品
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onClearCart() {
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const app = this
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// CartApi.clear(app.checkedIds)
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// .then(result => app.getCartList())
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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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