修正项目
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295
xlcs-user/pages/categories/categories.vue
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295
xlcs-user/pages/categories/categories.vue
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<template>
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<view class="gg">
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<u-navbar :border-bottom="false" :is-back="false">
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<view class="u-flex u-m-l-20 u-m-r-20 gg-search-navbar">
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<view class="u-font-xl u-m-r-20">分类</view>
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<view class="gg-notice-search-bar">
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<u-icon class="gg-notice-search-bar-left-icon" name="search"></u-icon>
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<u-notice-bar
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:border-radius="30"
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:is-circular="false"
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:list="list"
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:more-icon="false"
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:volume-icon="false"
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class="gg-notice-search-bar-u-notice-bar"
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mode="vertical"
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type="none"
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></u-notice-bar>
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</view>
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</view>
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</u-navbar>
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<view class="gg-menu-wrap">
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<scroll-view :scroll-top="scrollTop" class="gg-tab-view menu-scroll-view" scroll-with-animation scroll-y>
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<view
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v-for="(item, index) in categories"
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:key="item.id"
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:class="[current === index ? 'gg-tab-item-active' : '']"
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:data-current="index"
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class="gg-tab-item"
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@tap.stop="swichCategory(item.id, index)"
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>
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<text class="u-line-1">{{ item.name }}</text>
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</view>
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</scroll-view>
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<scroll-view class="gg-right-box" scroll-y @scrolltolower="loadMore">
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<view v-for="(item, index) in searchResult.content" :key="item.id" @click="gotoProductItem(item.id)">
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<view class="u-m-b-10 u-m-l-20 u-m-r-20 u-flex gg-product-item">
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<ListImgItem
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:showBottom="item.skuType === 0 && item.isNewPerson === 1"
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:showLeft="item.skuType === 1"
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:showRight="false"
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:src="item.imgUrl"
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height="200rpx"
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width="200rpx"
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>
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<template #left>秒杀商品</template>
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</ListImgItem>
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<view class="gg-product-item-msg u-border-bottom u-p-b-20 u-m-l-20">
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<view>
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<view class="u-font-lg">{{ item.title }}</view>
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<view class="u-type-info u-font-sm">已售{{ item.sale }}/剩余{{ item.stock }}</view>
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<block v-if="item.ruleList">
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<view v-for="(rule, ruleIndex) in item.ruleList" :key="ruleIndex" class="u-font-xs u-type-error-dark">
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{{ rule }}
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</view>
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</block>
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</view>
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<view class="u-flex u-row-between">
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<view class="u-type-error gg-product-item-msg-price-container">
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<text>￥</text>
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<text class="gg-product-item-msg-price-container-value">{{ item.price }}</text>
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</view>
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<AddToCart :shopDetail="item"></AddToCart>
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</view>
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</view>
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</view>
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<u-gap height="20"></u-gap>
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</view>
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<!-- 如果列表没有更多数据，则显示分隔线 -->
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<u-divider v-if="!(searchResult.first && searchResult.empty) && searchResult.last" :height="60"
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bg-color="transparent">我是有底线的
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</u-divider>
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<!-- 如果列表没有数据，则显示空内容 -->
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<u-empty :show="searchResult.first && searchResult.empty" mode="list"></u-empty>
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</scroll-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 {mapState, mapActions} from 'vuex';
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export default {
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data() {
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return {
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list: ['最见搜索关键字', '暂时未处理搜索页', '可以考虑最见关键字'],
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current: 0, // 预设当前项的值
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categoryId: 0, // 当前选中的分类Id
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scrollTop: 0, //tab标题的滚动条位置
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menuHeight: 0, // 左边菜单的高度
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menuItemHeight: 0, // 左边菜单item的高度
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filter: {
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page: 1, // 当前页码
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limit: 5, // 每页记录数
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keyword: '', // 关键字
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wareId: ''
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},
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searchResult: {
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content: [],
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last: false
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} // 搜索商品结果对象
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};
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},
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computed: {
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...mapState('categoriesModule', ['categories'])
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},
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methods: {
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...mapActions('categoriesModule', ['getCategoriesAction']),
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...mapActions('cartModule', ['getCartListAction']),
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/*
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为什么不使用scroll-into-view而使用手动计算的方式，
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这是因为scroll-into-view不会进行居中菜单位置的定位处理，
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为了更好的用户操作体验，可以让当前选中菜单定位于整体滚动的居中位置
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*/
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// 点击左边的栏目切换
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async swichCategory(categoryId, index) {
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Object.assign(this.$data.searchResult, this.$options.data().searchResult); // 这里重置 searchResult 下的所有数据
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Object.assign(this.$data.filter, this.$options.data().filter); // 这里重置 filter 下的所有数据
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this.categoryId = categoryId;
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if (index == this.current) return; // 防止选中分类的再次点击
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this.current = index;
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// 如果为0，意味着尚未初始化
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if (this.menuHeight == 0 || this.menuItemHeight == 0) {
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await this.getElRect('menu-scroll-view', 'menuHeight');
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await this.getElRect('gg-tab-item', 'menuItemHeight');
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}
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// 将菜单菜单活动item垂直居中
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this.scrollTop = index * this.menuItemHeight + this.menuItemHeight / 2 - this.menuHeight / 2;
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// 获取右侧商品搜索结果数据
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this.getCategoryProductList();
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},
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// 获取一个目标元素的高度
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getElRect(elClass, dataVal) {
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new Promise((resolve, reject) => {
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const query = uni.createSelectorQuery().in(this);
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query
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.select('.' + elClass)
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.fields({size: true}, res => {
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// 如果节点尚未生成，res值为null，循环调用执行
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if (!res) {
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setTimeout(() => {
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this.getElRect(elClass);
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}, 10);
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return;
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}
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this[dataVal] = res.height;
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})
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.exec();
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});
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},
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// 获取分类商品列表
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async getCategoryProductList() {
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const o = {
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categoryId: this.categoryId,
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page: this.filter.page,
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keyword: this.filter.keyword,
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limit: this.filter.limit,
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wareId: this.filter.wareId
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};
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let result = await this.$u.api.getSearchSku(o);
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this.searchResult = {...result, content: [...this.searchResult.content, ...result.content]};
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},
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// 加载更多数据
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loadMore() {
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if (!this.searchResult.last) {
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this.filter.page = this.filter.page + 1;
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this.getCategoryProductList();
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}
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},
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// 跳转到商品详情页
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gotoProductItem(skuId) {
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this.$u.route('/pages/homeItem/homeItem', {
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skuId
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});
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}
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},
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async mounted() {
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await this.getCategoriesAction(); // 从仓库中获取分类列表
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this.categoryId = this.categories[0].id; // 获取第一个分类的id
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await this.getCategoryProductList(); // 商品数据搜索请求
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// 需要获取购物车数据列表，将最新获取的数据渲染到页面
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this.getCartListAction();
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}
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};
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</script>
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<style lang="scss" scoped>
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.gg {
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height: calc(100vh);
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display: flex;
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flex-direction: column;
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&-search-navbar {
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margin-top: -20rpx;
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width: 100%;
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}
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/* 滚动信息搜索框 */
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&-notice-search-bar {
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flex: 1;
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display: flex;
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align-items: center;
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background-color: #ededed;
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border-radius: 30rpx;
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/* 滚动信息搜索框左侧图标 */
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&-left-icon {
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position: relative;
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left: 20rpx;
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color: $u-light-color;
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}
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/* 滚动信息搜索框中的字体设置 */
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&-u-notice-bar {
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flex: 1;
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/* 深层穿透修改子组件字体颜色样式 */
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::v-deep .u-news-item {
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color: $u-light-color !important;
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}
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}
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}
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/* 菜单包装器 */
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&-menu-wrap {
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flex: 1;
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display: flex;
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overflow: hidden;
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}
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/* 左侧sv选项卡模式菜单 */
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&-tab-view {
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width: 200rpx;
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height: 100%;
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}
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/* 左侧菜单选项卡项 */
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&-tab-item {
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height: 110rpx;
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background: #f6f6f6;
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box-sizing: border-box;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 26rpx;
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color: #444;
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font-weight: 400;
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line-height: 1;
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/* 激活状态 */
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&-active {
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position: relative;
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color: $u-type-warning;
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font-size: 30rpx;
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font-weight: 600;
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background: #fff;
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/* 伪类处理 */
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&::before {
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content: '';
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position: absolute;
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border-left: 4px solid $u-type-warning;
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height: 32rpx;
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left: 0;
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top: 39rpx;
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}
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}
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}
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/* 产品列表项 */
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&-product-item {
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height: 210rpx;
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&-msg {
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height: 100%;
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flex: 1;
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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&-price-container {
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&-value {
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font-size: 40rpx;
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}
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}
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}
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}
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&-right-box {
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background-color: rgb(250, 250, 250);
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}
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}
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</style>
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