277 lines
8.3 KiB
Vue
277 lines
8.3 KiB
Vue
<template>
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<s-layout :bgStyle="{ color: '#fff' }" tabbar="/pages/index/cart" title="购物车">
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<s-empty
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v-if="state.list.length === 0"
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icon="/static/cart-empty.png"
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text="购物车空空如也,快去逛逛吧~"
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/>
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<!-- 头部 -->
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<view v-if="state.list.length" class="cart-box ss-flex ss-flex-col ss-row-between">
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<view class="cart-header ss-flex ss-col-center ss-row-between ss-p-x-30">
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<view class="header-left ss-flex ss-col-center ss-font-26">
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共
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<text class="goods-number ui-TC-Main ss-flex">{{ state.list.length }}</text>
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件商品
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</view>
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<view class="header-right">
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<button v-if="state.editMode" class="ss-reset-button" @tap="state.editMode = false">
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取消
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</button>
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<button v-else class="ss-reset-button ui-TC-Main" @tap="state.editMode = true">
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编辑
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</button>
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</view>
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</view>
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<!-- 内容 -->
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<view class="cart-content ss-flex-1 ss-p-x-30 ss-m-b-40">
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<view v-for="item in state.list" :key="item.id" class="goods-box ss-r-10 ss-m-b-14">
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<view class="ss-flex ss-col-center">
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<label class="check-box ss-flex ss-col-center ss-p-l-10" @tap="onSelectSingle(item.id)">
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<radio
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:checked="state.selectedIds.includes(item.id)"
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color="var(--ui-BG-Main)"
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style="transform: scale(0.8)"
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@tap.stop="onSelectSingle(item.id)"
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/>
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</label>
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<s-goods-item
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:img="item.spu.picUrl || item.goods.image"
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:price="item.sku.price"
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:skuText="
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item.sku.properties.length > 1
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? item.sku.properties.reduce(
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(items2, items) => items2.valueName + ' ' + items.valueName,
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)
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: item.sku.properties[0].valueName
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"
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:title="item.spu.name"
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:titleWidth="400"
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priceColor="#FF3000"
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>
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<template v-if="!state.editMode" v-slot:tool>
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<su-number-box
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v-model="item.count"
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:max="item.sku.stock"
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:min="0"
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:step="1"
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@change="onNumberChange($event, item)"
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/>
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</template>
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</s-goods-item>
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</view>
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</view>
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</view>
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<!-- 底部 -->
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<su-fixed v-if="state.list.length > 0" :isInset="false" :val="48" bottom placeholder>
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<view class="cart-footer ss-flex ss-col-center ss-row-between ss-p-x-30 border-bottom">
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<view class="footer-left ss-flex ss-col-center">
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<label class="check-box ss-flex ss-col-center ss-p-r-30" @tap="onSelectAll">
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<radio
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:checked="state.isAllSelected"
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color="var(--ui-BG-Main)"
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style="transform: scale(0.8)"
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@tap.stop="onSelectAll"
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/>
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<view class="ss-m-l-8"> 全选</view>
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</label>
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<text>合计：</text>
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<view class="text-price price-text">
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{{ fen2yuan(state.totalPriceSelected) }}
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</view>
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</view>
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<view class="footer-right">
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<button
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v-if="state.editMode"
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class="ss-reset-button ui-BG-Main-Gradient pay-btn ui-Shadow-Main"
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@tap="onDelete"
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>
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删除
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</button>
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<button
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v-else
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class="ss-reset-button ui-BG-Main-Gradient pay-btn ui-Shadow-Main"
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@tap="onConfirm"
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>
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去结算
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{{ state.selectedIds?.length ? `(${state.selectedIds.length})` : '' }}
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</button>
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</view>
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</view>
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</su-fixed>
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</view>
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</s-layout>
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</template>
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<script setup>
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import sheep from '@/sheep';
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import SpuApi from '@/sheep/api/product/spu';
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import { computed, reactive } from 'vue';
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import { fen2yuan } from '@/sheep/hooks/useGoods';
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import { isEmpty } from '@/sheep/helper/utils';
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const sys_navBar = sheep.$platform.navbar;
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const cart = sheep.$store('cart');
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const state = reactive({
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editMode: false,
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list: computed(() => cart.list),
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selectedList: [],
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selectedIds: computed(() => cart.selectedIds),
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isAllSelected: computed(() => cart.isAllSelected),
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totalPriceSelected: computed(() => cart.totalPriceSelected),
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});
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// 单选选中
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function onSelectSingle(id) {
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cart.selectSingle(id);
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}
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// 全选
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function onSelectAll() {
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cart.selectAll(!state.isAllSelected);
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}
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// 结算
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async function onConfirm() {
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const items = [];
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state.selectedList = state.list.filter((item) => state.selectedIds.includes(item.id));
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state.selectedList.map((item) => {
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// 此处前端做出修改
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items.push({
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skuId: item.sku.id,
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count: item.count,
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cartId: item.id,
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categoryId: item.spu.categoryId,
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});
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});
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if (isEmpty(items)) {
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sheep.$helper.toast('请先选择商品');
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return;
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}
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await validateDeliveryType(state.selectedList.map((item) => item.spu).map((spu) => spu.id));
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sheep.$router.go('/pages/order/confirm', {
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data: JSON.stringify({
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items,
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}),
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});
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}
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/**
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* 校验配送方式冲突
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*
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* @param {string[]} spuIds - 商品ID数组
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* @returns {Promise<void>}
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* @throws {Error} 当配送方式冲突或获取商品信息失败时抛出错误
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*/
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async function validateDeliveryType(spuIds) {
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// 获取商品信息
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const { data: spuList } = await SpuApi.getSpuListByIds(spuIds.join(','));
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if (isEmpty(spuList)) {
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sheep.$helper.toast('未找到商品信息');
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throw new Error('未找到商品信息');
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}
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// 获取所有商品的配送方式列表
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const deliveryTypesList = spuList.map(item => item.deliveryTypes);
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// 检查配送方式冲突
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const hasConflict = checkDeliveryConflicts(deliveryTypesList);
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if (hasConflict) {
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sheep.$helper.toast('选中商品支持的配送方式冲突，不允许提交');
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throw new Error('选中商品支持的配送方式冲突，不允许提交');
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}
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}
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/**
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* 检查配送方式列表中是否存在冲突
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* @description
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* 示例场景:
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* A 商品支持：[快递, 自提]
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* B 商品支持：[快递]
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* C 商品支持：[自提]
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*
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* 对比结果:
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* A 和 B：不冲突 (有交集：快递)
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* A 和 C：不冲突 (有交集：自提)
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* B 和 C：冲突 (无交集)
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* @param {Array<Array<number>>} deliveryTypesList - 配送方式列表的数组
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* @returns {boolean} 是否存在冲突
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*/
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function checkDeliveryConflicts(deliveryTypesList) {
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for (let i = 0; i < deliveryTypesList.length - 1; i++) {
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const currentTypes = deliveryTypesList[i];
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for (let j = i + 1; j < deliveryTypesList.length; j++) {
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const nextTypes = deliveryTypesList[j];
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// 检查是否没有交集（即冲突）
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const hasNoIntersection = !currentTypes.some(type =>
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nextTypes.includes(type),
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);
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if (hasNoIntersection) {
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return true;
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}
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}
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}
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return false;
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}
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function onNumberChange(e, cartItem) {
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if (e === 0) {
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cart.delete(cartItem.id);
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return;
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}
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if (cartItem.goods_num === e) return;
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cartItem.goods_num = e;
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cart.update({
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goods_id: cartItem.id,
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goods_num: e,
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goods_sku_price_id: cartItem.goods_sku_price_id,
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});
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}
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async function onDelete() {
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cart.delete(state.selectedIds);
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}
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</script>
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<style lang="scss" scoped>
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:deep(.ui-fixed) {
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height: 72rpx;
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}
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.cart-box {
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width: 100%;
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.cart-header {
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height: 70rpx;
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background-color: #f6f6f6;
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width: 100%;
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position: fixed;
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left: 0;
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top: v-bind('sys_navBar') rpx;
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z-index: 1000;
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box-sizing: border-box;
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}
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.cart-footer {
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height: 100rpx;
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background-color: #fff;
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.pay-btn {
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width: 180rpx;
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height: 70rpx;
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font-size: 28rpx;
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line-height: 28rpx;
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font-weight: 500;
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border-radius: 40rpx;
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}
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}
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.cart-content {
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margin-top: 70rpx;
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.goods-box {
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background-color: #fff;
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}
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}
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}
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</style>
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