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541 lines
12 KiB
541 lines
12 KiB
<template>
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<view class="u-wrap">
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<view class="search">
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<view class="status_bar"></view>
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<view class="search1">
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<navigator url="/pages/index/search">
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<view class="navigation_seach">
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<image src="../../static/img/seach.png" mode=""></image>
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<text>search</text>
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</view>
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</navigator>
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<view class="navigation_title_right">
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<navigator url="/pages/account/wishlist">
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<image src="../../static/img/like_white.png" mode=""></image>
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</navigator>
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<navigator url="/pages/shippingCart/index" open-type="switchTab">
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<uni-badge :text="sum" type="error" absolute="rightTop">
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<image src="../../static/img/shop_cart1.png" mode=""></image>
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</uni-badge>
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</navigator>
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</view>
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</view>
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</view>
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<view class="u-menu-wrap">
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<scroll-view scroll-y scroll-with-animation class="u-tab-view menu-scroll-view category_left" :scroll-top="scrollTop"
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:scroll-into-view="itemId">
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<view v-for="(item,index) in 7" :key="index" class="u-tab-item" :class="[current == index ? 'u-tab-item-active' : '']"
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@tap.stop="swichMenu(index)">
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<text class="u-line-1">可乐</text>
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</view>
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</scroll-view>
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<scroll-view :scroll-top="scrollRightTop" scroll-y scroll-with-animation class="right-box" @scroll="rightScroll">
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<view class="page-view">
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<view class="class-item" :id="'item' + index" v-for="(item , index) in 7" :key="index">
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<view class="item-title">
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<text>奶茶</text>
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</view>
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<view class="good_content">
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<view class="good_item" v-for="(item1, index1) in 6" :key="index1">
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<view @click="toDetial(item1)">
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<view class="good_item_img"><image src="" alt=""></view>
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</view>
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<text>肯德基</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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</scroll-view>
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</view>
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<view class="tarbar">
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<view @click="change(index)" v-for="(item,index) in tarbar" :key="item.name" :class="index==2?'img_m':'tarbar_img'">
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<image :src="item.src"></image>
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<view>{{ item.name}}</view>
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</view>
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<!-- <view class="tarbar_img"@click="change(1)"><image src="../../static/img/Category.png"></image><view>Category</view></view>
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<view class="img_m" @click="change(2)"><image src="../../static/img/add.png"></image></view>
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<view class="tarbar_img"@click="change(3)"><image src="../../static/img/Cart.png"></image><view>Cart</view></view>
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<view class="tarbar_img"@click="change(4)"><image src="../../static/img/Account.png"></image><view>Account</view></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 {defaultRequest,defaultRequest4} from '../../api/index.js'
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export default {
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data() {
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return {
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scrollTop: 0, //tab标题的滚动条位置
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oldScrollTop: 0,
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current: 0, // 预设当前项的值
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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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itemId: '', // 栏目右边scroll-view用于滚动的id
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tabbar: [],
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menuItemPos: [],
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arr: [],
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scrollRightTop: 0, // 右边栏目scroll-view的滚动条高度
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timer: null, // 定时器
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categoryList:'1234567’',
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sum:0,
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backButtonPress:0,
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homeIndex: 0,
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tarbar:[
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{
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src:'../../static/icon/home3.png',
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name:'Home'
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},
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{
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src:'../../static/img/Category.png',
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name:'Category'
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},
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{
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src:'../../static/icon/home3.png',
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name:''
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},
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{
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src:'../../static/img/Cart.png',
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name:'Cart'
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},
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{
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src:'../../static/img/Account.png',
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name:'Account'
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},
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],
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list:[
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{src:'../../static/icon/home4.png',url:'../index/index'},
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{src:'../../static/img/Category1.png',url:'..//category/index'},
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{src:'',url:'../index/index2'},
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{src:'../../static/img/cart1.png',url:'..//shippingCart/index'},
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{src:'../../static/img/Account1.png',url:'../account/index'}
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]
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}
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},
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onShow() {
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this.sum =0
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this.getList()
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uni.showTabBar()
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},
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onLoad() {
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let that = this;
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let s = 0;
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let time = setInterval(() => {
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uni.getNetworkType({
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success: (res) => {
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console.log(res.networkType, s);
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if (res.networkType == 'none') {
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uni.showToast({
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icon: 'none',
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title: 'Please connect to the network',
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duration: 3000,
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})
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} else if (res.networkType !== 'none') {
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that.typee = 2;
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clearInterval(time);
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}
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}
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})
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s++;
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}, 1000);
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this.getList()
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},
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onReady() {
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this.getMenuItemTop()
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},
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// onBackPress(options) {
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// this.backButtonPress++;
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// if (this.backButtonPress > 1) {
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// plus.runtime.quit();
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// } else {
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// plus.nativeUI.toast('Click again to exit');
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// }
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// setTimeout(function() {
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// this.backButtonPress = 0;
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// }, 1000);
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// return true;
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// },
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methods: {
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change(e){
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this.index = e
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let tarbar = this.tarbar
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for(let i =0; i<this.tarbar.length;i++){
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if(e==i){
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this.tarbar[e].src = this.list[e].src
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}else{
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this.tarbar = tarbar
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this.tarbar[i].src = tarbar[i].src
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}
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}
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// uni.switchTab({
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// url:this.list[e].url
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// })
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},
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change2(e){
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this.tarbar[e].src = this.list[e].src
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},
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// 点击左边的栏目切换
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async swichMenu(index) {
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if(this.arr.length == 0) {
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await this.getMenuItemTop();
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}
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if ( this.current === index) return;
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// this.scrollRightTop = this.oldScrollTop;
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this.scrollRightTop = this.arr[index];
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// this.$nextTick(function(){
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// this.scrollRightTop = this.arr[index];
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this.current = index;
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// this.leftMenuStatus(index);
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// })
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},
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toDetial(item){
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console.log(item)
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},
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getList(){
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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.select('.' + elClass).fields({
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size: true
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}, 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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resolve();
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}).exec();
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})
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},
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// 观测元素相交状态
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async observer() {
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this.tabbar.map((val, index) => {
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let observer = uni.createIntersectionObserver(this);
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// 检测右边scroll-view的id为itemxx的元素与right-box的相交状态
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// 如果跟.right-box底部相交，就动态设置左边栏目的活动状态
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observer.relativeTo('.right-box', {
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top: 0
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}).observe('#item' + index, res => {
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if (res.intersectionRatio > 0) {
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let id = res.id.substring(4);
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this.leftMenuStatus(id);
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}
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})
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})
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},
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// 设置左边菜单的滚动状态
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async leftMenuStatus(index) {
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// console.log(index,'index')
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if (index == this.current) return;
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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('u-tab-item', 'menuItemHeight');
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}
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// 将菜单活动item垂直居中
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this.scrollTop = index * this.menuItemHeight + this.menuItemHeight / 2 - this.menuHeight / 2;
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},
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// 获取右边菜单每个item到顶部的距离
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getMenuItemTop() {
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new Promise(resolve => {
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let selectorQuery = uni.createSelectorQuery();
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selectorQuery.selectAll('.class-item').boundingClientRect((rects) => {
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// 如果节点尚未生成，rects值为[](因为用selectAll，所以返回的是数组)，循环调用执行
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if(!rects.length) {
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setTimeout(() => {
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this.getMenuItemTop();
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}, 10);
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return ;
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}
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rects.forEach((rect) => {
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// 这里减去rects[0].top，是因为第一项顶部可能不是贴到导航栏(比如有个搜索框的情况)
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this.arr.push(rect.top - rects[0].top);
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resolve();
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})
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}).exec()
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})
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},
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// 右边菜单滚动
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async rightScroll(e) {
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// this.current = 0
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this.oldScrollTop = e.detail.scrollTop;
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// if(this.arr.length == 0) {
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// await this.getMenuItemTop();
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// }
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if(this.timer) return ;
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if(!this.menuHeight) {
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await this.getElRect('menu-scroll-view', 'menuHeight');
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}
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setTimeout(() => { // 节流
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this.timer = null;
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// scrollHeight为右边菜单垂直中点位置
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let scrollHeight = e.detail.scrollTop + this.menuHeight / this.categoryList.length;
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for (let i = 0; i < this.arr.length; i++) {
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let height1 = this.arr[i];
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let height2 = this.arr[i + 1];
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// this.scrollRightTop = this.arr[i];
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// 如果不存在height2，意味着数据循环已经到了最后一个，设置左边菜单为最后一项即可
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if (!height2 || scrollHeight >=height1 && scrollHeight < height2) {
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this.leftMenuStatus(i);
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return ;
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}
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}
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}, 10)
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}
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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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.u-wrap {
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height: calc(100vh);
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/* #ifdef H5 */
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height: calc(100vh - var(--window-top));
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/* #endif */
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display: flex;
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flex-direction: column;
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}
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.tarbar{
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height: 100rpx;
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width: 100vw;
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padding-top: 10rpx;
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padding-bottom: 10rpx;
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background-color: #fff;
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bottom: 0;
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font-size: 24rpx;
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text-align: center;
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position: fixed;
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display: flex;
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color:#707070;
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justify-content: space-around;
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.tarbar_img image{
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height: 50rpx;
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width: 50rpx;
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// background-color: #fff;
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}
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.img_m image{
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height: 80rpx;
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width: 80rpx;
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margin-top: -20rpx;
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}
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}
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.search{
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width: 100%;
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background-color:#000;
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box-sizing: border-box;
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padding: 33.33rpx 26.67rpx;
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position: fixed;
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top: 0;
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z-index: 99;
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// border-bottom: 1px solid #F5F6FA;
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.search1{
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display: flex;
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align-items: center;
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justify-content: space-between;
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.navigation_seach{
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width: 546.67rpx;
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background-color: #F5F6FA;
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border-radius: 6.67rpx;
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height: 66.67rpx;
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display: flex;
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align-items: center;
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color: #8F9094;
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border-radius: 33rpx;
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font-size: 26.67rpx;
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padding-left: 25rpx;
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box-sizing: border-box;
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image{
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width: 29.33rpx;
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height: 29.33rpx;
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margin-right: 22rpx;
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}
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}
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.navigation_title_right{
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display: flex;
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align-items: center;
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image{
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width: 44rpx;
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height: 44rpx;
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}
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>uni-navigator:first-child{
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margin-right: 32.67rpx;
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}
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}
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}
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}
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.u-menu-wrap {
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flex: 1;
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height: 100%;
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display: flex;
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overflow: hidden;
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margin-top: 166rpx;
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}
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.category_left{
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height: 100%;
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// background-color: #F5F6FA;
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width: 197.33rpx;
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}
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.u-tab-view {
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width: 200rpx;
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height: 100%;
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}
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.u-tab-item {
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width: 197.33rpx;
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padding: 0 18rpx;
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height: 94rpx;
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font-size: 28.67rpx;
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font-weight: bold;
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box-sizing: border-box;
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font-family: PingFang SC;
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display: flex;
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align-items: center;
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word-wrap: break-word;
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word-break: break-all;
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}
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.u-tab-item-active {
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position: relative;
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font-size: 26rpx;
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font-weight: 600;
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background-color: black;
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color: white;
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}
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.u-tab-item-active::before {
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content: "";
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position: absolute;
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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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.u-tab-view {
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height: 100%;
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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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.page-view {
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padding: 16rpx;
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}
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.class-item {
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margin-bottom: 30rpx;
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background-color: #fff;
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padding: 16rpx;
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border-radius: 8rpx;
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}
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.class-item:last-child {
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min-height: 100vh;
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}
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.item-title {
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font-size: 26rpx;
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font-weight: bold;
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margin-bottom: 20rpx;
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}
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.item-menu-name {
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font-weight: normal;
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font-size: 24rpx;
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}
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.item-container {
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display: flex;
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flex-wrap: wrap;
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}
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.thumb-box {
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// width: 33.333333%;
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width: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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|
flex-direction: column;
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|
margin-top: 20rpx;
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|
}
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|
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|
.item-menu-image {
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width: 120rpx;
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height: 120rpx;
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}
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.good_content{
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display: flex;
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flex-wrap: wrap;
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.good_item{
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font-size: 22.67rpx;
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text-align: center;
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margin-right: 25.33rpx;
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margin-bottom: 51.33rpx;
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.good_item_img{
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display: block;
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background-color: #999999;
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width: 146.67rpx;
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height: 146.67rpx;
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margin-bottom: 22rpx;
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}
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}
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.good_item:nth-child(3n+3){
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margin-right: 0;
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}
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}
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.good_item_img{
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height: 100rpx;
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width: 100rpx;
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image{
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height: 100%;
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width: 100%;
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}
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}
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</style>
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