245 lines
6.2 KiB
Vue
245 lines
6.2 KiB
Vue
<template>
|
||
<!-- 右侧商品列表区 - 上方子分类 + 下方滚动商品网格 -->
|
||
<view class="right-content">
|
||
<!-- 子分类(顶部条件) - Figma 1519:250 -->
|
||
<view class="sub-categories" id="subCategories" v-if="subCategories.length > 0">
|
||
<view
|
||
class="sub-cat-item"
|
||
:class="{ active: activeSubId === item.id }"
|
||
v-for="(item, index) in subCategories"
|
||
:key="index"
|
||
@tap="selectSub(item.id)"
|
||
>{{ item.name }}</view>
|
||
</view>
|
||
|
||
<!-- 商品网格滚动区 - 固定高度(由父组件动态计算传入),符合官方文档要求 -->
|
||
<scroll-view
|
||
scroll-y
|
||
class="product-scroll"
|
||
:lower-threshold="100"
|
||
:scroll-top="scrollTopVal"
|
||
:scroll-with-animation="false"
|
||
:style="{ height: scrollHeight + 'px' }"
|
||
@scrolltolower="onScrollToLower"
|
||
>
|
||
<view class="product-grid" v-if="list.length > 0">
|
||
<view
|
||
class="product-card"
|
||
v-for="(item, index) in list"
|
||
:key="index"
|
||
@tap="onTapProduct(item)"
|
||
>
|
||
<!-- 图片 135x120 (Figma) -->
|
||
<view class="product-img">
|
||
<image
|
||
class="product-image"
|
||
:src="item.image"
|
||
mode="aspectFill"
|
||
lazy-load
|
||
v-if="item.image"
|
||
></image>
|
||
</view>
|
||
<!-- 商品信息 -->
|
||
<view class="product-info">
|
||
<text class="product-name">{{ item.name }}</text>
|
||
<!-- 价格 + "起"字 -->
|
||
<view class="price-row">
|
||
<text class="product-price">¥{{ item.price }}</text>
|
||
<text class="price-unit">起</text>
|
||
</view>
|
||
</view>
|
||
</view>
|
||
</view>
|
||
<!-- 空状态 -->
|
||
<view class="product-empty" v-else>
|
||
<text class="empty-icon">📦</text>
|
||
<text class="empty-text">没有找到相关商品</text>
|
||
</view>
|
||
|
||
<!-- 底部加载提示 -->
|
||
<view class="load-tip" v-if="list.length > 0">
|
||
<text v-if="loading">加载中...</text>
|
||
<text v-else-if="!hasMore">没有更多了</text>
|
||
</view>
|
||
</scroll-view>
|
||
</view>
|
||
</template>
|
||
|
||
<script>
|
||
export default {
|
||
name: 'ProductGrid',
|
||
props: {
|
||
list: { type: Array, default: () => [] },
|
||
subCategories: { type: Array, default: () => [] },
|
||
activeSubId: { type: [String, Number], default: '' },
|
||
hasMore: { type: Boolean, default: true },
|
||
loading: { type: Boolean, default: false },
|
||
scrollTopVal: { type: Number, default: 0 },
|
||
// 商品滚动区固定高度(px),由父组件动态计算传入
|
||
scrollHeight: { type: Number, default: 400 }
|
||
},
|
||
mounted() {
|
||
// 首次测量子分类高度
|
||
this.$nextTick(() => this.emitSubHeight())
|
||
},
|
||
watch: {
|
||
// 子分类列表变化 → 重新测量
|
||
'subCategories.length'() {
|
||
this.$nextTick(() => this.emitSubHeight())
|
||
}
|
||
},
|
||
methods: {
|
||
emitSubHeight() {
|
||
// v-if 为 false 时 #subCategories 不存在,返回 0
|
||
if (!this.subCategories || this.subCategories.length === 0) {
|
||
this.$emit('sub-height-change', 0)
|
||
return
|
||
}
|
||
const query = uni.createSelectorQuery().in(this)
|
||
query.select('#subCategories').boundingClientRect()
|
||
query.exec((res) => {
|
||
if (res && res[0]) {
|
||
this.$emit('sub-height-change', res[0].height)
|
||
} else {
|
||
this.$emit('sub-height-change', 0)
|
||
}
|
||
})
|
||
},
|
||
selectSub(id) { this.$emit('sub-select', id) },
|
||
onTapProduct(item) { this.$emit('product-click', item) },
|
||
onScrollToLower() { this.$emit('scroll-to-lower') }
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style scoped>
|
||
/* 右侧内容区 - 上下分:顶部条件 + 下方滚动
|
||
不再依赖 flex:1 撑高度,scroll-view 用父组件传入的固定高度 */
|
||
.right-content {
|
||
display: flex;
|
||
flex-direction: column;
|
||
background: #f2f2f2;
|
||
}
|
||
|
||
/* 顶部子分类条件 - padding 6px 10px 圆角 60px */
|
||
.sub-categories {
|
||
display: flex;
|
||
flex-wrap: wrap;
|
||
gap: 16rpx;
|
||
padding: 20rpx 20rpx;
|
||
background: #ffffff;
|
||
border-bottom: 1rpx solid #eeeeee;
|
||
}
|
||
.sub-cat-item {
|
||
padding: 12rpx 20rpx;
|
||
background: #ffffff;
|
||
border-radius: 60rpx;
|
||
font-size: 24rpx;
|
||
font-weight: 500;
|
||
color: #000000;
|
||
line-height: 1.2;
|
||
}
|
||
/* 选中态 - 白底+橙色边框0.5px+橙色文字 */
|
||
.sub-cat-item.active {
|
||
border: 1rpx solid #ff6800;
|
||
color: #ff6800;
|
||
}
|
||
|
||
/* 滚动商品区 - 高度由父组件通过 :style 传入(px 固定值),
|
||
符合 uni-app / 微信小程序官方文档「scroll-y 需给固定 height」的要求 */
|
||
.product-scroll {
|
||
width: 100%;
|
||
}
|
||
|
||
/* 商品网格 - 固定2列 grid,不会因商品个数变化而拉伸占行 */
|
||
.product-grid {
|
||
display: grid;
|
||
grid-template-columns: repeat(2, 1fr);
|
||
gap: 16rpx;
|
||
padding: 20rpx;
|
||
}
|
||
.product-card {
|
||
min-width: 0;
|
||
background: #ffffff;
|
||
border-radius: 12rpx;
|
||
overflow: hidden;
|
||
box-sizing: border-box;
|
||
}
|
||
/* 图片 135x120 - 用 padding-bottom 撑比例 */
|
||
.product-img {
|
||
position: relative;
|
||
width: 100%;
|
||
padding-bottom: 88.89%; /* 120/135 */
|
||
background: #f7f7f7;
|
||
overflow: hidden;
|
||
}
|
||
.product-image {
|
||
position: absolute;
|
||
top: 0;
|
||
left: 0;
|
||
width: 100%;
|
||
height: 100%;
|
||
}
|
||
/* 商品信息 - 内边距 10px */
|
||
.product-info {
|
||
padding: 20rpx;
|
||
}
|
||
/* 商品名 13px Medium #000000 */
|
||
.product-name {
|
||
display: block;
|
||
font-size: 26rpx;
|
||
font-weight: 500;
|
||
color: #000000;
|
||
line-height: 1.4;
|
||
overflow: hidden;
|
||
text-overflow: ellipsis;
|
||
white-space: nowrap;
|
||
}
|
||
/* 价格行 - 价格 + "起"字横向排列 */
|
||
.price-row {
|
||
display: flex;
|
||
align-items: baseline;
|
||
margin-top: 16rpx;
|
||
}
|
||
/* 价格 15px Heavy #FF0000 红色 */
|
||
.product-price {
|
||
font-size: 30rpx;
|
||
font-weight: 900;
|
||
color: #ff0000;
|
||
line-height: 1.2;
|
||
}
|
||
/* "起"字 - 比价格字体小,其他样式相同 */
|
||
.price-unit {
|
||
font-size: 22rpx;
|
||
font-weight: 900;
|
||
color: #ff0000;
|
||
line-height: 1.2;
|
||
margin-left: 4rpx;
|
||
}
|
||
|
||
/* 底部加载提示 */
|
||
.load-tip {
|
||
padding: 32rpx;
|
||
text-align: center;
|
||
font-size: 24rpx;
|
||
color: #999999;
|
||
}
|
||
|
||
/* 空状态 */
|
||
.product-empty {
|
||
display: flex;
|
||
flex-direction: column;
|
||
align-items: center;
|
||
justify-content: center;
|
||
padding: 120rpx 0;
|
||
}
|
||
.empty-icon {
|
||
font-size: 96rpx;
|
||
margin-bottom: 24rpx;
|
||
}
|
||
.empty-text {
|
||
font-size: 26rpx;
|
||
color: #999999;
|
||
}
|
||
</style>
|