154 lines
4.3 KiB
Vue
154 lines
4.3 KiB
Vue
<template>
|
||
<view class="list">
|
||
<view class="top">商品推荐</view>
|
||
<view>
|
||
<u-tabs-swiper ref="uTabs" :list="classifyList" name="gc_name" :is-scroll="true" active-color="#FF780F" :current="current" font-size="26" :show-bar="false" @change="tabsChange" height="60"></u-tabs-swiper>
|
||
</view>
|
||
<swiper class="swiper-box" :current="swiperCurrent" @transition="transition" @animationfinish="animationfinish" :style="{height: swiperHeight}">
|
||
<swiper-item class="swiper-item" v-for="(_, index) in classifyList" :key="index">
|
||
<view class="goods-item" v-if="goodsList.length">
|
||
<item v-for="item in goodsList" :key="item.goods_id" :info="item"></item>
|
||
</view>
|
||
<u-empty text="暂无商品" mode="list" color="#000" margin-top="20" v-else></u-empty>
|
||
</swiper-item>
|
||
</swiper>
|
||
<!-- 加载更多 -->
|
||
<u-loadmore :status="loadStatus" bgColor="#FFF" margin-top="20" margin-bottom="20" @loadmore="loadMore"></u-loadmore>
|
||
</view>
|
||
</template>
|
||
<script>
|
||
import item from "./item";
|
||
export default {
|
||
name:"list",
|
||
data() {
|
||
return {
|
||
// pageSize: 12,
|
||
current: -1,
|
||
swiperCurrent: 0,
|
||
goodsList: [],
|
||
classifyList: [],
|
||
swiperHeight: '',
|
||
page: 1, // 从 1 开始
|
||
loadStatus: 'loadmore',
|
||
timer: true,
|
||
}
|
||
},
|
||
components: {
|
||
item,
|
||
},
|
||
watch: {
|
||
current(index) {
|
||
this.page = 1;
|
||
this.goodsList = [];
|
||
const id = this.classifyList[index].gc_id;
|
||
this.getGoodsRecommend({gc_id: id});
|
||
}
|
||
},
|
||
created() {
|
||
this.getGoodsClassRecommend();
|
||
},
|
||
methods: {
|
||
loadMore(page) {
|
||
if(!this.timer) return false;
|
||
this.loadStatus = "loading";
|
||
this.page++;
|
||
this.getGoodsRecommend({
|
||
gc_id: this.classifyList[this.current].gc_id,
|
||
page: this.page,
|
||
reload: false,
|
||
}).then(length => {
|
||
// console.log(length);
|
||
if(length == 0) {
|
||
this.page--;
|
||
this.loadStatus = 'nomore';
|
||
} else {
|
||
this.loadStatus = 'loadmore';
|
||
}
|
||
}).catch(() => {
|
||
this.loadStatus = "nomore";
|
||
this.page--;
|
||
})
|
||
},
|
||
getGoodsClassRecommend() {
|
||
this.$u.api.getGoodsClassRecommend().then(res => {
|
||
if (res.errCode == 0) {
|
||
// 初始化 current
|
||
this.current = 0;
|
||
this.classifyList = res.data.gc_recommend;
|
||
}
|
||
})
|
||
},
|
||
async getGoodsRecommend({ page = this.page, gc_id, reload = true } = {}) {
|
||
const res = await this.$u.api.getGoodsRecommend({
|
||
page: page,
|
||
gc_id: gc_id,
|
||
})
|
||
// this.swiperCurrent = this.current;
|
||
if (res.errCode == 0) {
|
||
this.timer = true;
|
||
if(reload) this.goodsList = res.data.goodsList;
|
||
else this.goodsList.push(...res.data.goodsList);
|
||
// console.log(this.goodsList);
|
||
this.setSwiperHeight();
|
||
}
|
||
return res.data.goodsList.length;
|
||
},
|
||
setSwiperHeight() {
|
||
// height: 230px, margin-bottom: 13
|
||
const height = Math.ceil(this.goodsList.length / 2) * (500 + 26);
|
||
this.swiperHeight = height == 0 ? '230rpx' : height + 'rpx';
|
||
// this.swiperHeight = Math.ceil(this.goodsList.length / 2) * (270 + 13) + 'px';
|
||
},
|
||
// tabs通知swiper切换
|
||
tabsChange(index) {
|
||
this.current = index;
|
||
// this.getGoodsRecommend({ gc_id: this.classifyList[this.current].gc_id });
|
||
},
|
||
// swiper-item左右移动，通知tabs的滑块跟随移动
|
||
transition(e) {
|
||
let dx = e.detail.dx;
|
||
this.$refs.uTabs.setDx(dx);
|
||
},
|
||
// 由于swiper的内部机制问题，快速切换swiper不会触发dx的连续变化，需要在结束时重置状态
|
||
// swiper滑动结束，分别设置tabs和swiper的状态
|
||
animationfinish(e) {
|
||
let current = e.detail.current;
|
||
this.$refs.uTabs.setFinishCurrent(current);
|
||
this.current = current;
|
||
this.swiperCurrent = current;
|
||
// this.getGoodsRecommend({ gc_id: this.classifyList[this.current].gc_id });
|
||
},
|
||
}
|
||
}
|
||
</script>
|
||
<style lang="scss" scoped>
|
||
.list{
|
||
background-color: #ffffff;
|
||
padding: 30rpx {
|
||
top: 0;
|
||
};
|
||
.top {
|
||
font-size: 30rpx;
|
||
height: 74rpx;
|
||
line-height: 88rpx;
|
||
text-align: center;
|
||
color: #333;
|
||
}
|
||
.swiper-box {
|
||
height: 100%;
|
||
padding: 20rpx 0;
|
||
margin-bottom: 10rpx;
|
||
.swiper-item {
|
||
// height: 100%;
|
||
.goods-item {
|
||
display: flex;
|
||
flex-wrap: wrap;
|
||
justify-content: space-between;
|
||
width: 100%;
|
||
// height: 100%;
|
||
overflow-y: scroll;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
</style> |