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2026-03-31 10:53:43 +08:00
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<template>
<view class="u-wrap">
<view class="u-search-box">
<view class="u-search-inner">
<up-icon name="search" color="#909399" :size="28"></up-icon>
<text class="u-search-text">请输入您需要的商品名称</text>
</view>
</view>
<view class="u-menu-wrap">
<scroll-view scroll-y scroll-with-animation class="u-tab-view menu-scroll-view" :scroll-top="scrollTop">
<view
v-for="(item, index) in tabbar"
:key="index"
class="u-tab-item"
:class="[current == index ? 'u-tab-item-active' : '']"
:data-current="index"
@tap.stop="swichMenu(index)"
>
<text class="u-line-1">{{ item.name }}</text>
</view>
</scroll-view>
<block v-for="(item, index) in tabbar" :key="index">
<scroll-view scroll-y class="right-box" v-if="current == index">
<view class="page-view">
<view class="class-item">
<view class="item-title">
<text>{{ item.name }}</text>
</view>
<view class="item-container">
<view class="thumb-box" v-for="(item1, index1) in item.foods" :key="index1">
<image class="item-menu-image" :src="item1.cover" mode=""></image>
<view class="item-menu-name">{{ item1.name }}</view>
</view>
</view>
</view>
</view>
</scroll-view>
</block>
</view>
</view>
</template>
<script setup>
import { ref } from 'vue';
import { onLoad } from '@dcloudio/uni-app';
import { goodsList, categoryList } from '@/api/api.js';
let tabbar = ref([]);
let scrollTop = ref(0);
let current = ref(0);
let menuHeight = ref(0);
let menuItemHeight = ref(0);
// [
// {
// name: '女装',
// foods: [
// {
// name: 'A字裙',
// key: 'A字裙',
// icon: 'https://cdn.uviewui.com/uview/common/classify/1/1.jpg',
// cat: 10
// }
// ]
// }
// ]
onLoad(() => {
categoryList().then((res) => {
tabbar.value = res.map((item, index) => {
return {
...item,
foods: []
};
});
goodsList({ categoryId: res[0].id }).then((res) => {
tabbar.value[0].foods = res;
});
});
});
async function swichMenu(index) {
if (index == current.value) return;
current.value = index;
goodsList({ categoryId: tabbar.value[index].id }).then((res) => {
tabbar.value[index].foods = res;
});
// 如果为0意味着尚未初始化
if (menuHeight.value == 0 || menuItemHeight.value == 0) {
await this.getElRect('menu-scroll-view', 'menuHeight');
await this.getElRect('u-tab-item', 'menuItemHeight');
}
// 将菜单菜单活动item垂直居中
this.scrollTop = index * menuItemHeight.value + menuItemHeight.value / 2 - menuHeight.value / 2;
}
function getElRect(elClass, dataVal) {
new Promise((resolve, reject) => {
const query = uni.createSelectorQuery().in(this);
query
.select('.' + elClass)
.fields({ size: true }, (res) => {
// 如果节点尚未生成res值为null循环调用执行
if (!res) {
setTimeout(() => {
this.getElRect(elClass);
}, 10);
return;
}
this[dataVal] = res.height;
})
.exec();
});
}
</script>
<style lang="scss" scoped>
.u-wrap {
height: calc(100vh);
/* #ifdef H5 */
height: calc(100vh - var(--window-top));
/* #endif */
display: flex;
flex-direction: column;
}
.u-search-box {
padding: 18rpx 30rpx;
}
.u-menu-wrap {
flex: 1;
display: flex;
overflow: hidden;
}
.u-search-inner {
background-color: rgb(234, 234, 234);
border-radius: 100rpx;
display: flex;
align-items: center;
padding: 10rpx 16rpx;
}
.u-search-text {
font-size: 26rpx;
color: $u-tips-color;
margin-left: 10rpx;
}
.u-tab-view {
width: 200rpx;
height: 100%;
}
.u-tab-item {
height: 80rpx;
background: #f6f6f6;
box-sizing: border-box;
display: flex;
align-items: center;
justify-content: center;
font-size: 26rpx;
color: #444;
font-weight: 400;
line-height: 1;
}
.u-tab-item-active {
position: relative;
color: #000;
font-size: 30rpx;
font-weight: 600;
background: #fff;
}
.u-tab-item-active::before {
content: '';
position: absolute;
border-left: 4px solid rgba(111, 162, 86, 1);
height: 45rpx;
left: 0;
top: calc(50% - 22.5rpx);
}
.u-tab-view {
height: 100%;
}
.right-box {
background-color: rgb(250, 250, 250);
}
.page-view {
padding: 16rpx;
}
.class-item {
margin-bottom: 30rpx;
background-color: #fff;
padding: 16rpx;
border-radius: 8rpx;
}
.item-title {
font-size: 26rpx;
color: $u-main-color;
font-weight: bold;
}
.item-menu-name {
font-weight: normal;
font-size: 24rpx;
color: $u-main-color;
}
.item-container {
display: flex;
flex-wrap: wrap;
}
.thumb-box {
width: 33.333333%;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
margin-top: 20rpx;
}
.item-menu-image {
width: 120rpx;
height: 120rpx;
}
</style>