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499 lines
13 KiB
Vue
499 lines
13 KiB
Vue
<template>
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<view class="container">
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<!-- 页面顶部 -->
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<view v-if="list.length" class="head-info">
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<view class="cart-total">
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<text>共</text>
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<text class="active">{{ total }}</text>
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<text>件商品</text>
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</view>
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<view class="cart-edit" @click="handleToggleMode">
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<view v-if="mode == 'normal'" class="normal">
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<text class="icon iconfont icon-bianji"></text>
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<text>编辑</text>
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</view>
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<view v-if="mode == 'edit'" class="edit">
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<text>完成</text>
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</view>
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</view>
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</view>
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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" @click="onTargetGoods(item.goodsId)">
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<label class="item-radio" @click.stop="handleCheckItem(item.id)">
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<radio class="radio" color="#fa2209" :checked="inArray(item.id, checkedIds)" />
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</label>
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<view class="goods-image">
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<image class="image" :src="item.goodsInfo.logo"></image>
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</view>
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<view class="item-content">
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<view class="goods-title twolist-hidden"><text>{{ item.goodsInfo.name }}</text></view>
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<view class="goods-props clearfix">
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<view class="goods-props-item" v-for="(spec, idx) in item.specList" :key="idx">
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<text>{{ spec.specName }}{{ spec.specValue }}</text>
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</view>
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</view>
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<view class="item-foot">
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<view class="goods-price">
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<text class="unit">￥</text>
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<text class="value">{{ item.goodsInfo.price }}</text>
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</view>
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<view class="stepper">
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<u-number-box :min="1" :value="item.num" @change="onChangeStepper($event, item)" />
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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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<empty v-if="!list.length" :isLoading="isLoading" :custom-style="{ padding: '180rpx 50rpx' }" tips="您没有待结算商品, 快去逛逛吧">
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<view slot="slot" class="empty-ipt" @click="onTargetIndex">
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<text>去逛逛</text>
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</view>
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</empty>
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<!-- 底部操作栏 -->
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<view v-if="list.length" class="footer-fixed">
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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.join() == '' }"
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@click="handleOrder()">
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<text>确认结算 {{ 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 { inArray, arrayIntersect, debounce } from '@/utils/util'
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import { checkLogin, setCartTotalNum, setCartTabBadge } from '@/utils/app'
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import * as CartApi from '@/api/cart'
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import Empty from '@/components/empty'
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const CartIdsIndex = 'CartIds'
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export default {
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components: {
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Empty
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},
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data() {
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return {
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inArray,
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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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// 购物车列表
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list: [],
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// 购物车商品总数量
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total: 0,
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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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// 获取购物车卡券列表
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checkLogin() ? this.getCartList() : 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 => inArray(item.id, app.checkedIds))
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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.goodsInfo.price * 100
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tempPrice += unitPrice * item.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.totalNum
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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 = arrayIntersect(listIds, app.checkedIds)
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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.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.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.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.save(item.goodsId, "=", item.skuId, 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.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.$navTo('pages/index/index')
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},
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// 选中商品
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handleCheckItem(cartId) {
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const { checkedIds } = this
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const index = checkedIds.findIndex(id => id === cartId)
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index < 0 ? checkedIds.push(cartId) : checkedIds.splice(index, 1)
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},
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// 全选事件
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handleCheckAll() {
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const { checkedIds, list } = this
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this.checkedIds = checkedIds.length === list.length ? [] : list.map(item => item.id)
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},
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// 结算选中的商品
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handleOrder() {
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const app = this
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if (app.checkedIds.length) {
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const cartIds = app.checkedIds.join()
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app.$navTo('pages/settlement/goods', { 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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}
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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-info {
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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: 4rpx 30rpx;
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height: 80rpx;
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.cart-total {
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font-size: 35rpx;
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color: #333;
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.active {
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color: #f03c3c;
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margin: 0 2rpx;
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}
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}
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.cart-edit {
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padding-left: 20rpx;
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.icon {
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margin-right: 12rpx;
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}
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.edit {
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color: #f03c3c;
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font-weight: bold;
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}
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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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padding: 0 16rpx 180rpx 16rpx;
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}
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.cart-item {
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background: #fff;
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border-radius: 12rpx;
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display: flex;
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align-items: center;
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padding: 30rpx 16rpx;
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margin-bottom: 24rpx;
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.item-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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.goods-image {
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width: 180rpx;
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.image {
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display: block;
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width: 100%;
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height: 160rpx;
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border-radius: 8rpx;
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}
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}
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.item-content {
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flex: 1;
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padding-left: 24rpx;
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.goods-title {
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font-size: 28rpx;
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max-height: 76rpx;
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}
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.goods-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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.goods-props-item {
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display: inline-block;
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margin-right: 14rpx;
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padding: 4rpx 16rpx;
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border-radius: 12rpx;
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background-color: #F5F5F5;
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width: auto;
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}
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}
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.item-foot {
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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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.goods-price {
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vertical-align: bottom;
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color: $uni-text-color-active;
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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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color: #f03c3c;
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font-weight: bold;
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}
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}
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}
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}
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}
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// 空数据按钮
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.empty-ipt {
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width: 150rpx;
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margin: 0 auto;
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font-size: 28rpx;
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height: 68rpx;
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line-height: 68rpx;
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text-align: center;
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color: #fff;
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border-radius: 5rpx;
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background: linear-gradient(to right, $fuint-theme, $fuint-theme);
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}
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// 底部操作栏
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.footer-fixed {
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display: flex;
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align-items: center;
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height: 180rpx;
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background: #fff;
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padding: 0rpx 0rpx 40rpx 30rpx;
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position: fixed;
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bottom: var(--window-bottom);
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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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.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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.goods-price {
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vertical-align: bottom;
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color: #fa2209;
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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: 36rpx;
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color: #f03c3c;
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font-weight: bold;
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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: 92rpx;
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line-height: 92rpx;
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text-align: center;
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color: #fff;
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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: linear-gradient(to right, $fuint-theme, $fuint-theme);
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color: #fff;
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padding-top: 5rpx;
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border-radius: 5rpx;
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margin-right: 20rpx;
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// 禁用按钮
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&.disabled {
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background: #6cb0b0;
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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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