mirror of
https://gitee.com/yudaocode/yudao-mall-uniapp.git
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ea38216ce7
减小打包体积：只引入需要的函数，避免整个库被打包。 更好 tree-shaking：打包工具能明确摇掉未使用的代码。 提高可读性：直接看到用的是 concat，不用再通过 _。 更易维护：避免滥用全量 lodash，后续替换或优化更方便。
408 lines
9.9 KiB
Vue
408 lines
9.9 KiB
Vue
<template>
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<s-layout
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navbar="normal"
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:leftWidth="0"
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:rightWidth="0"
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tools="search"
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:defaultSearch="state.keyword"
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@search="onSearch"
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>
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<!-- 筛选 -->
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<su-sticky bgColor="#fff">
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<view class="ss-flex">
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<view class="ss-flex-1">
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<su-tabs
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:list="state.tabList"
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:scrollable="false"
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@change="onTabsChange"
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:current="state.currentTab"
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/>
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</view>
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<view class="list-icon" @tap="state.iconStatus = !state.iconStatus">
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<text v-if="state.iconStatus" class="sicon-goods-list" />
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<text v-else class="sicon-goods-card" />
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</view>
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</view>
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</su-sticky>
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<!-- 弹窗 -->
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<su-popup
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:show="state.showFilter"
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type="top"
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round="10"
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:space="sys_navBar + 38"
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backgroundColor="#F6F6F6"
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:zIndex="10"
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@close="state.showFilter = false"
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>
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<view class="filter-list-box">
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<view
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class="filter-item"
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v-for="(item, index) in state.tabList[state.currentTab].list"
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:key="item.value"
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:class="[{ 'filter-item-active': index === state.curFilter }]"
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@tap="onFilterItem(index)"
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>
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{{ item.label }}
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</view>
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</view>
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</su-popup>
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<!-- 情况一：单列布局 -->
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<view v-if="state.iconStatus && state.pagination.total > 0" class="goods-list ss-m-t-20">
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<view
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class="ss-p-l-20 ss-p-r-20 ss-m-b-20"
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v-for="item in state.pagination.list"
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:key="item.id"
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>
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<s-goods-column
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class=""
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size="lg"
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:data="item"
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:topRadius="10"
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:bottomRadius="10"
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@click="sheep.$router.go('/pages/goods/index', { id: item.id })"
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/>
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</view>
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</view>
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<!-- 情况二：双列布局 -->
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<view
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v-if="!state.iconStatus && state.pagination.total > 0"
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class="ss-flex ss-flex-wrap ss-p-x-20 ss-m-t-20 ss-col-top"
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>
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<view class="goods-list-box">
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<view class="left-list" v-for="item in state.leftGoodsList" :key="item.id">
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<s-goods-column
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class="goods-md-box"
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size="md"
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:data="item"
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:topRadius="10"
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:bottomRadius="10"
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@click="sheep.$router.go('/pages/goods/index', { id: item.id })"
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@getHeight="mountMasonry($event, 'left')"
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>
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<template v-slot:cart>
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<button class="ss-reset-button cart-btn" />
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</template>
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</s-goods-column>
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</view>
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</view>
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<view class="goods-list-box">
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<view class="right-list" v-for="item in state.rightGoodsList" :key="item.id">
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<s-goods-column
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class="goods-md-box"
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size="md"
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:topRadius="10"
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:bottomRadius="10"
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:data="item"
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@click="sheep.$router.go('/pages/goods/index', { id: item.id })"
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@getHeight="mountMasonry($event, 'right')"
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>
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<template v-slot:cart>
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<button class="ss-reset-button cart-btn" />
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</template>
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</s-goods-column>
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</view>
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</view>
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</view>
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<uni-load-more
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v-if="state.pagination.total > 0"
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:status="state.loadStatus"
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:content-text="{
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contentdown: '上拉加载更多',
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}"
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@tap="loadMore"
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/>
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<s-empty v-if="state.pagination.total === 0" icon="/static/soldout-empty.png" text="暂无商品" />
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</s-layout>
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</template>
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<script setup>
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import { reactive, ref } from 'vue';
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import { onLoad, onReachBottom } from '@dcloudio/uni-app';
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import sheep from '@/sheep';
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import { concat } from 'lodash-es';
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import { resetPagination } from '@/sheep/helper/utils';
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import SpuApi from '@/sheep/api/product/spu';
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import OrderApi from '@/sheep/api/trade/order';
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import { appendSettlementProduct } from '@/sheep/hooks/useGoods';
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const sys_navBar = sheep.$platform.navbar;
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const emits = defineEmits(['close', 'change']);
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const state = reactive({
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pagination: {
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list: [],
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total: 0,
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pageNo: 1,
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pageSize: 6,
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},
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currentSort: undefined,
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currentOrder: undefined,
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currentTab: 0, // 当前选中的 tab
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curFilter: 0, // 当前选中的 list 筛选项
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showFilter: false,
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iconStatus: false, // true - 单列布局；false - 双列布局
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keyword: '',
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categoryId: 0,
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tabList: [
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{
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name: '综合推荐',
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list: [
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{
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label: '综合推荐',
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},
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{
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label: '价格升序',
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sort: 'price',
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order: true,
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},
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{
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label: '价格降序',
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sort: 'price',
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order: false,
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},
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],
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},
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{
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name: '销量',
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sort: 'salesCount',
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order: false,
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},
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{
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name: '新品优先',
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value: 'createTime',
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order: false,
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},
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],
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loadStatus: '',
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leftGoodsList: [], // 双列布局 - 左侧商品
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rightGoodsList: [], // 双列布局 - 右侧商品
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});
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// 加载瀑布流
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let count = 0;
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let leftHeight = 0;
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let rightHeight = 0;
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// 处理双列布局 leftGoodsList + rightGoodsList
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function mountMasonry(height = 0, where = 'left') {
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if (where === 'left') {
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leftHeight += height;
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} else {
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rightHeight += height;
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}
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if (!state.pagination.list[count]) {
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return;
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}
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if (leftHeight <= rightHeight) {
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state.leftGoodsList.push(state.pagination.list[count]);
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} else {
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state.rightGoodsList.push(state.pagination.list[count]);
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}
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count++;
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}
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// 清空列表
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function emptyList() {
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resetPagination(state.pagination);
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state.leftGoodsList = [];
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state.rightGoodsList = [];
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count = 0;
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leftHeight = 0;
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rightHeight = 0;
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}
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// 搜索
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function onSearch(e) {
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state.keyword = e;
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emptyList();
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getList(state.currentSort, state.currentOrder);
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}
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// 点击
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function onTabsChange(e) {
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// 如果点击的是【综合推荐】，则直接展开或者收起筛选项
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if (state.tabList[e.index].list) {
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state.currentTab = e.index;
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state.showFilter = !state.showFilter;
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return;
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}
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state.showFilter = false;
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// 如果点击的是【销量】或者【新品优先】，则直接切换 tab
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if (e.index === state.currentTab) {
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return;
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}
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state.currentTab = e.index;
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state.currentSort = e.sort;
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state.currentOrder = e.order;
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emptyList();
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getList(e.sort, e.order);
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}
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// 点击 tab 的 list 筛选项
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const onFilterItem = (val) => {
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// 如果点击的是当前的筛选项，则直接收起筛选项，不要加载数据
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// 这里选择 tabList[0] 的原因，是目前只有它有 list
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if (
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state.currentSort === state.tabList[0].list[val].sort &&
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state.currentOrder === state.tabList[0].list[val].order
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) {
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state.showFilter = false;
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return;
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}
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state.showFilter = false;
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// 设置筛选条件
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state.curFilter = val;
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state.tabList[0].name = state.tabList[0].list[val].label;
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state.currentSort = state.tabList[0].list[val].sort;
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state.currentOrder = state.tabList[0].list[val].order;
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// 清空 + 加载数据
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emptyList();
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getList();
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};
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async function getList() {
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state.loadStatus = 'loading';
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const { code, data } = await SpuApi.getSpuPage({
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pageNo: state.pagination.pageNo,
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pageSize: state.pagination.pageSize,
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sortField: state.currentSort,
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sortAsc: state.currentOrder,
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categoryId: state.categoryId,
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keyword: state.keyword,
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});
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if (code !== 0) {
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return;
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}
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// 拼接结算信息（营销）
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await OrderApi.getSettlementProduct(data.list.map((item) => item.id).join(',')).then((res) => {
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if (res.code !== 0) {
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return;
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}
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appendSettlementProduct(data.list, res.data);
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});
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state.pagination.list = concat(state.pagination.list, data.list);
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state.pagination.total = data.total;
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state.loadStatus = state.pagination.list.length < state.pagination.total ? 'more' : 'noMore';
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mountMasonry();
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}
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// 加载更多
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function loadMore() {
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if (state.loadStatus === 'noMore') {
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return;
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}
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state.pagination.pageNo++;
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getList(state.currentSort, state.currentOrder);
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}
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onLoad((options) => {
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state.categoryId = options.categoryId;
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state.keyword = options.keyword;
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getList(state.currentSort, state.currentOrder);
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});
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// 上拉加载更多
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onReachBottom(() => {
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loadMore();
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});
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</script>
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<style lang="scss" scoped>
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.goods-list-box {
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width: 50%;
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box-sizing: border-box;
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.left-list {
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margin-right: 10rpx;
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margin-bottom: 20rpx;
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}
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.right-list {
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margin-left: 10rpx;
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margin-bottom: 20rpx;
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}
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}
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.goods-box {
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&:nth-last-of-type(1) {
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margin-bottom: 0 !important;
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}
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&:nth-child(2n) {
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margin-right: 0;
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}
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}
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.list-icon {
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width: 80rpx;
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.sicon-goods-card {
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font-size: 40rpx;
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}
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.sicon-goods-list {
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font-size: 40rpx;
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}
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}
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.goods-card {
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margin-left: 20rpx;
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}
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.list-filter-tabs {
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background-color: #fff;
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}
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.filter-list-box {
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padding: 28rpx 52rpx;
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.filter-item {
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font-size: 28rpx;
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font-weight: 500;
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color: #333333;
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line-height: normal;
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margin-bottom: 24rpx;
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&:nth-last-child(1) {
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margin-bottom: 0;
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}
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}
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.filter-item-active {
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color: var(--ui-BG-Main);
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}
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}
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.tab-item {
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height: 50px;
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position: relative;
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z-index: 11;
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.tab-title {
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font-size: 30rpx;
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}
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.cur-tab-title {
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font-weight: $font-weight-bold;
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}
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.tab-line {
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width: 60rpx;
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height: 6rpx;
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border-radius: 6rpx;
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position: absolute;
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left: 50%;
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transform: translateX(-50%);
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bottom: 10rpx;
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background-color: var(--ui-BG-Main);
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z-index: 12;
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}
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}
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</style>
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