shop_uniapp/components/goods-column/goods-column.vue

<template>
	<mescroll-body ref="mescrollRef" @init="mescrollInit"  @down="downCallback" @up="upCallback"
		:up="upOption" :down="downOption" v-if="hasData">
		<view class="">
			<view class="flex row-center zx">
				<text class="bold xxl">甄选</text>
				<u-image :src="aliOSS + 'uniapp/jh.png'" width="110" height="100" mode="aspectFit"></u-image>
			</view>
		</view>
		<view class="goods-column">
			<scroll-view scroll-x="true">
				<view class="column-wrap">
					<view class="item flex-col m-r-50 muted" v-for="(item, index) in columnList" :key="index" @tap="changeActive(index)">
						<view class="sm normal title" :class="{bold: active == index}">{{item.name}}</view>
					</view>
				</view>
			</scroll-view>
		</view>
		<view class="goods">
			<goods-list type="double" :list="goodsList" :price-type="price_type"></goods-list>
		</view>
	</mescroll-body>
</template>

<script>
	import MescrollMixin from "@/components/mescroll-uni/mescroll-mixins.js";
	import {
		getGoodsListColumn,
		getGoodsColumn
	} from "@/api/store"

	export default {
		mixins: [MescrollMixin],
		props:{
			autoGetData: {
				type: Boolean,
				default:true
			} 
		},
		data() {
			return {
				goodsList: [],
				active: 0,
				columnList: [],
				upOption: {
					auto: false,
					empty: {
						icon: `${this.$aliOSS}uniapp/goods_null.png`,
						tip: "暂无商品",
					},
					toTop: {
						bottom: '300rpx' 
					}
				},
				downOption:{use: false, isLock: true},
				hasData: true,
				price_type: 0
			}
		},
		mounted() {
			if(this.autoGetData) {
				this.getData()
			}
		},
		methods: {
			async getData() {
				await this.getGoodsColumnFun()
				this.mescroll.resetUpScroll()
			},
			changeActive(index) {
				this.active = index
				this.$refs.uWaterfall.clear()
				this.mescroll.resetUpScroll()
			},
			upCallback(page) {
				const {columnList, active} = this
				const pageNum = page.num
				const pageSize = page.size
				if(!columnList.length) return
				const columnId = columnList[active].id
				getGoodsListColumn({
					page_size: pageSize,
					page_no: pageNum,
					column_id: columnId,
					p_id: this.$store.getters.hasPid,
					set: this.$store.getters.hasSetId
				}).then(({
					data
				}) => {
					this.price_type = data.set_price_type
					let curPageData = data.lists
					let curPageLen = curPageData.length
					let hasNext = !!data.more
					if (page.num == 1) this.goodsList = []
					this.goodsList = this.goodsList.concat(curPageData)
					this.mescroll.endSuccess(curPageLen, hasNext)
				})
			},
			async getGoodsColumnFun() {
				const {
					data,
					code
				} = await getGoodsColumn()
				if (code == 1) {
					this.columnList = data
					this.hasData = data.length ? true : false
				}
			}
		}
	}
</script>
<style lang="scss" scoped>
	.zx {
		background: #fff;
		margin: 0 30rpx;
		border-radius: 40rpx;
	}
	
	.goods {
		margin-top: -6rpx;
	}
	
	.goods-column {
		.column-wrap {
			display: inline-block;
			white-space: nowrap;
			padding: 20rpx 20rpx 0;

			.item {
				display: inline-block;
				position: relative;
				overflow: hidden;
				.title {
					position: relative;
					z-index: 1;
					background: #fff;
					border-radius: 20rpx;
					padding: 10rpx 20rpx;
				}
			}
		}
	}
</style>