113 lines
3.2 KiB
Vue
113 lines
3.2 KiB
Vue
<template>
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<view class="group">
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<view>
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<u-tabs-swiper ref="uTabs" :list="tabList" name="gc_name" :current="current" @change="tabsChange" :is-scroll="true" active-color="#FF780F" swiperWidth="750" height="88" :show-bar="false"></u-tabs-swiper>
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</view>
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<swiper :current="swiperCurrent" @transition="transition" @animationfinish="animationfinish" :style="{height: swiperHeight}">
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<swiper-item class="swiper-item" v-for="(_, index) in tabList" :key="index">
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<scroll-view scroll-y style="width: 100%;" @scrolltolower="onreachBottom">
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<SpecialGoods v-for="(item, index) in pinTuanList" :key="index" :item="item" type='group'></SpecialGoods>
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<u-loadmore :status="loadStatus" bgColor="#FFF" margin-top="20" margin-bottom="20" v-if="pinTuanList.length>=pageSize" @loadmore="onreachBottom"></u-loadmore>
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<u-empty text="暂无商品" mode="list" color="#000" v-if="!pinTuanList.length"></u-empty>
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</scroll-view>
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</swiper-item>
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</swiper>
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</view>
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</template>
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<script>
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import SpecialGoods from "../../components/shop/special-shop/index";
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export default {
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data() {
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return {
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pageSize: 12,
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tabList: [],
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current: -1,
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swiperCurrent: 0,
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page: 0,
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pinTuanList: [],
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swiperHeight: '',
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timer: true, // 限制下拉刷新
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loadStatus: 'loadmore',
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}
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},
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components: {
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SpecialGoods,
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},
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onLoad() {
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this.getGoodsClass();
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this.setViewHeight();
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},
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watch: {
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current(index) {
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this.getPinTuanList({ id: this.tabList[index].gc_id, load: 'reload' });
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}
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},
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methods: {
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// 获取优惠券拼团分类
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async getGoodsClass() {
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return await this.$u.api.getGoodsClass().then(res => {
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if(res.errCode == 0) {
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this.tabList = res.data;
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this.current = 0;
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}
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})
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},
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// 拼团列表
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async getPinTuanList({ id, page, load }) {
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const res = await this.$u.api.getPinTuanList({
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page: this.page,
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gc_id: id,
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})
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this.timer = true;
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if (res.errCode == 0) {
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if(load == 'reload') this.pinTuanList = res.data;
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else if(load == 'loadmore') this.pinTuanList.push(...res.data);
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}
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return res.data.length;
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},
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// scroll-view到底部加载更多
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onreachBottom() {
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if(!this.timer) return false;
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this.loadStatus = "loading";
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this.page++;
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this.getPinTuanList({
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id: this.tabList[this.current].gc_id,
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load: 'loadmore',
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}).then(length => {
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console.log(length);
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if(length == 0) {
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this.page--;
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this.loadStatus = 'nomore';
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} else {
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this.loadStatus = 'loadmore';
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}
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}).catch(() => {
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this.loadStatus = "nomore";
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this.page--;
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})
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},
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// tabs通知swiper切换
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tabsChange(index) {
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this.swiperCurrent = index;
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},
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// swiper-item左右移动，通知tabs的滑块跟随移动
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transition(e) {
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let dx = e.detail.dx;
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this.$refs.uTabs.setDx(dx);
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},
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// 由于swiper的内部机制问题，快速切换swiper不会触发dx的连续变化，需要在结束时重置状态
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// swiper滑动结束，分别设置tabs和swiper的状态
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animationfinish(e) {
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let current = e.detail.current;
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this.swiperCurrent = current;
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this.current = current;
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},
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setViewHeight() {
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const res = uni.getSystemInfoSync();
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this.swiperHeight = res.windowHeight - (88 / 2) + 'px';
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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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</style> |