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fx-uniapp/pages/index/components/sh-category-tabs.vue

349 lines
9.2 KiB

2 years ago
<template>
<!-- 分类选项卡 -->
<view class="category-tabs-wrap">
<!-- 吸顶 -->
<view class="u-sticky-wrap" :class="[elClass]" :style="{ height: fixed ? height + 'px' : 'auto', backgroundColor: isSticky ? '#fff' : '#f6f6f6' }">
<view
class="u-sticky"
:style="{ position: fixed ? 'fixed' : 'static', top: stickyTop + 'px', left: left + 'px', width: width == 'auto' ? 'auto' : width + 'px', zIndex: 1109 }"
>
<view class="tabs-wrap u-p-y-20" :style="isSticky ? 'border-bottom:1px solid #eee;background-color:#fff' : ''">
<scroll-view scroll-x class="tabs-content" scroll-with-animation :scroll-left="scrollLeft">
<view class="u-flex u-row-cetner u-flex-1 u-col-center">
<view class="tab-item u-flex-col u-col-center u-row-center" v-for="(item, index) in tabsList" :key="index" @tap="tabChange(index)">
<view class="tab-title u-m-y-6" :class="{ 'title-active': tabCur == index }">{{ item.name }}</view>
<view class="tab-des" :class="{ 'des-active': tabCur == index }">{{ item.description }}</view>
</view>
</view>
</scroll-view>
</view>
</view>
</view>
<!-- 瀑布流 -->
<view class="u-waterfall u-p-16" v-if="styleType == 1">
<view id="u-left-column" class="u-column">
<view class="goods-item u-m-b-16 u-flex u-row-center u-col-center" v-for="leftGoods in leftList" :key="leftGoods.id">
<shopro-goods-card
:detail="leftGoods"
:type="leftGoods.activity_type || ''"
:image="leftGoods.image"
:title="leftGoods.title"
:subtitle="leftGoods.subtitle"
:price="leftGoods.price"
:originPrice="leftGoods.original_price"
:tagTextList="leftGoods.activity_discounts_tags"
@click="$Router.push({ path: '/pages/goods/detail', query: { id: leftGoods.id } })"
></shopro-goods-card>
</view>
</view>
<view id="u-right-column" class="u-column">
<view class="goods-item u-m-b-16 u-flex u-row-center u-col-center" v-for="rightGoods in rightList" :key="rightGoods.id">
<shopro-goods-card
:detail="rightGoods"
:type="rightGoods.activity_type || ''"
:image="rightGoods.image"
:title="rightGoods.title"
:subtitle="rightGoods.subtitle"
:price="rightGoods.price"
:originPrice="rightGoods.original_price"
:tagTextList="rightGoods.activity_discounts_tags"
@click="$Router.push({ path: '/pages/goods/detail', query: { id: rightGoods.id } })"
></shopro-goods-card>
</view>
</view>
</view>
<!-- m -->
<view class="big-card-wrap u-p-10" v-if="styleType == 2">
<block v-for="item in goodsList" :key="item.id">
<sh-goods-card
:detail="item"
:type="item.activity_type || ''"
:image="item.image"
:title="item.title"
:subtitle="item.subtitle"
:price="item.price"
:originPrice="item.original_price"
:sales="item.sales"
:tagTextList="item.activity_discounts_tags"
@click="$Router.push({ path: '/pages/goods/detail', query: { id: item.id } })"
></sh-goods-card>
</block>
</view>
<view class="x-c" style="width: 100%;">
<!-- 缺省页 -->
<shopro-empty v-if="isEmpty" marginTop="200rpx" :image="$IMG_URL + '/imgs/empty/empty_goods.png'" tipText="暂无该商品,还有更多好货等着你噢~"></shopro-empty>
<!-- 更多 -->
<u-loadmore v-show="!isEmpty" height="80rpx" :status="loadStatus" icon-type="flower" color="#ccc" />
</view>
</view>
</template>
<script>
/**
* category-tabs
* @description 一个可以吸顶的分类列表
* @property {Boolean} enable = false - 是否吸顶,tabbar项中组件不会自动销毁需要自行开关
* @property {Array} tabsList - 分类列表
* @property {Array | Number} styleType - 卡片类型
*/
let systemInfo = uni.getSystemInfoSync();
// #ifdef MP-WEIXIN || MP-BAIDU || MP-TOUTIAO || MP-QQ
let menuButtonInfo = uni.getMenuButtonBoundingClientRect();
// #endif
import shGoodsCard from '../components/sh-goods-card.vue';
export default {
components: {
shGoodsCard
},
data() {
return {
// 吸顶相关
fixed: false,
height: 'auto',
elClass: this.$u.guid(),
left: 0,
width: 'auto',
stickyTop: 0,
isSticky: false, //是否吸顶
// 瀑布流 350-330
addTime: 100, //排序间隙时间
leftHeight: 0,
rightHeight: 0,
leftList: [],
rightList: [],
tempList: [],
tabCur: 0,
scrollLeft: 0,
isEmpty: true,
categoryId: this.tabsList[0]?.id,
goodsList: [],
tabCurrent: 0,
loadStatus: 'loadmore', //loadmore-加载前的状态,loading-加载中的状态,nomore-没有更多的状态
currentPage: 1,
lastPage: 1
};
},
watch: {
enable(val) {
if (val == false) {
this.fixed = false;
this.disconnectObserver('contentObserver');
} else {
this.initObserver();
}
}
},
props: {
tabsList: {
type: Array,
default: () => []
},
styleType: {
type: [String, Number],
default: 1
},
enable: {
type: Boolean,
default: false
}
},
created() {
this.getGoodsList();
// 触底监听
uni.$on('uOnReachBottom', data => {
if (this.currentPage < this.lastPage) {
this.currentPage += 1;
this.getGoodsList();
}
});
},
mounted() {
this.initObserver();
},
beforeDestroy() {
this.disconnectObserver('contentObserver');
},
methods: {
// 瀑布流相关
async splitData() {
if (!this.tempList.length) return;
let item = this.tempList[0];
if (!item) return;
// 分左右
if (this.leftHeight < this.rightHeight) {
this.leftHeight += item.activity_discounts_tags.length ? 350 : 330;
this.leftList.push(item);
} else if (this.leftHeight > this.rightHeight) {
this.rightHeight += item.activity_discounts_tags.length ? 350 : 330;
this.rightList.push(item);
} else {
this.leftHeight += item.activity_discounts_tags.length ? 350 : 330;
this.leftList.push(item);
}
// 移除临时列表的第一项,如果临时数组还有数据,继续循环
this.tempList.splice(0, 1);
if (this.tempList.length) {
setTimeout(() => {
this.splitData();
}, this.addTime);
}
},
clear() {
this.leftList = [];
this.rightList = [];
this.leftHeight = 0;
this.rightHeight = 0;
this.tempList = [];
},
// 吸顶相关
initObserver() {
if (!this.enable) return;
// #ifdef APP-PLUS || H5
this.stickyTop = systemInfo.statusBarHeight + 44;
// #endif
// #ifdef MP
let height = systemInfo.platform == 'ios' ? 44 : 48;
let top = systemInfo.statusBarHeight + height;
this.stickyTop = systemInfo.statusBarHeight + height;
// #endif
this.disconnectObserver('contentObserver');
this.$uGetRect('.' + this.elClass).then(res => {
this.height = res.height;
this.left = res.left;
this.width = res.width;
this.$nextTick(() => {
this.observeContent();
});
});
},
observeContent() {
this.disconnectObserver('contentObserver');
const contentObserver = this.createIntersectionObserver({
thresholds: [0.95, 0.98, 1]
});
contentObserver.relativeToViewport({
top: -this.stickyTop
});
contentObserver.observe('.' + this.elClass, res => {
if (!this.enable) return;
this.setFixed(res.boundingClientRect.top);
});
this.contentObserver = contentObserver;
},
setFixed(top) {
const fixed = top < this.stickyTop;
if (fixed) {
this.isSticky = true;
} else if (this.fixed) {
this.isSticky = false;
}
this.fixed = fixed;
},
disconnectObserver(observerName) {
const observer = this[observerName];
observer && observer.disconnect();
},
// 商品列表
getGoodsList() {
let that = this;
that.$http('goods.lists', {
category_id: that.categoryId,
page: that.currentPage
}).then(res => {
if (res.code === 1) {
that.goodsList = [...that.goodsList, ...res.data.data];
that.tempList = res.data.data;
that.isEmpty = !that.goodsList.length;
that.lastPage = res.data.last_page;
that.loadStatus = that.currentPage < res.data.last_page ? 'loadmore' : 'nomore';
that.splitData();
}
});
},
// tabs
tabChange(index) {
this.tabCur = index;
this.scrollLeft = (index - 1) * 60;
this.categoryId = this.tabsList[index].id;
this.styleType === 1 && this.clear();
this.goodsList = [];
this.currentPage = 1;
this.lastPage = 1;
this.loadStatus = 'loadmore';
this.getGoodsList();
}
}
};
</script>
<style lang="scss" scoped>
@mixin vue-flex($direction: row) {
/* #ifndef APP-NVUE */
display: flex;
flex-direction: $direction;
/* #endif */
}
.category-tabs-wrap {
min-height: 1000rpx;
// 吸顶
.u-sticky-wrap {
background-color: #fff;
}
// 瀑布流
.u-waterfall {
@include vue-flex;
flex-direction: row;
align-items: flex-start;
}
.u-column {
@include vue-flex;
flex: 1;
flex-direction: column;
height: auto;
}
}
// 滑动分类
.tabs-content {
white-space: nowrap;
.tab-item {
min-height: 90rpx;
display: inline-block;
margin: 0 10rpx;
padding: 0 20rpx;
.tab-title {
font-size: 28rpx;
font-weight: 600;
color: #333333;
}
.title-active {
color: #a8700d;
}
.tab-des {
font-size: 22rpx;
font-weight: 400;
color: #999999;
text-align: center;
}
.des-active {
background: linear-gradient(90deg, #e9b461, #eecc89);
border-radius: 15rpx;
padding: 2rpx 10rpx;
color: #ffffff;
}
}
}
</style>