zyejMAll-mobile/sheep/components/s-select-seckill-sku/s-select-seckill-sku.vue

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2024-08-07 10:31:42 +08:00
<!-- 秒杀商品的 SKU 选择 s-select-sku.vue 类似 -->
<template>
<!-- 规格弹窗 -->
<su-popup :show="show" round="10" @close="emits('close')">
<!-- SKU 信息 -->
<view class="ss-modal-box bg-white ss-flex-col">
<view class="modal-header ss-flex ss-col-center">
<!-- 规格图 -->
<view class="header-left ss-m-r-30">
<image
class="sku-image"
:src="sheep.$url.cdn(state.selectedSku.picUrl || state.goodsInfo.picUrl)"
mode="aspectFill"
>
</image>
</view>
<view class="header-right ss-flex-col ss-row-between ss-flex-1">
<!-- 名称 -->
<view class="goods-title ss-line-2">{{ state.goodsInfo.name }}</view>
<view class="header-right-bottom ss-flex ss-col-center ss-row-between">
<!-- 价格 -->
<view class="price-text">
{{ fen2yuan(state.selectedSku.price || state.goodsInfo.price) }}
</view>
<!-- 秒杀价格标签 -->
<view class="tig ss-flex ss-col-center">
<view class="tig-icon ss-flex ss-col-center ss-row-center">
<text class="cicon-alarm"></text>
</view>
<view class="tig-title">秒杀价</view>
</view>
<!-- 库存 -->
<view class="stock-text ss-m-l-20">
库存{{ state.selectedSku.stock || state.goodsInfo.stock }}
</view>
</view>
</view>
</view>
<view class="modal-content ss-flex-1">
<scroll-view scroll-y="true" class="modal-content-scroll">
<view class="sku-item ss-m-b-20" v-for="property in propertyList" :key="property.id">
<view class="label-text ss-m-b-20">{{ property.name }}</view>
<view class="ss-flex ss-col-center ss-flex-wrap">
<button
class="ss-reset-button spec-btn"
v-for="value in property.values"
:class="[
{
'checked-btn': state.currentPropertyArray[property.id] === value.id,
},
{
'disabled-btn': value.disabled === true,
},
]"
:key="value.id"
:disabled="value.disabled === true"
@tap="onSelectSku(property.id, value.id)"
>
{{ value.name }}
</button>
</view>
</view>
<view class="buy-num-box ss-flex ss-col-center ss-row-between">
<view class="label-text">购买数量</view>
<su-number-box
:min="1"
:max="min([singleLimitCount, state.selectedSku.stock])"
:step="1"
v-model="state.selectedSku.count"
@change="onBuyCountChange($event)"
activity="seckill"
></su-number-box>
</view>
</scroll-view>
</view>
<view class="modal-footer">
<view class="buy-box ss-flex ss-col-center ss-flex ss-col-center ss-row-center">
<button class="ss-reset-button buy-btn" @tap="onBuy">确认</button>
</view>
</view>
</view>
</su-popup>
</template>
<script setup>
/**
* 秒杀活动SKU选择
* 与s-select-sku的区别多一个秒杀价的标签没有加入购物车按钮立即购买按钮叫确认秒杀有最大购买数量限制
* 差别不大可以考虑合并 todo @芋艿
*/
// 按钮状态: active,nostock
import { computed, reactive, watch } from 'vue';
import sheep from '@/sheep';
import {convertProductPropertyList, fen2yuan} from "@/sheep/hooks/useGoods";
import {min} from "lodash";
const emits = defineEmits(['change', 'addCart', 'buy', 'close']);
const props = defineProps({
modelValue: {
type: Object,
default() {},
},
show: {
type: Boolean,
default: false,
},
// 单次限购数量
singleLimitCount: {
type: Number,
default: 1,
}
});
const state = reactive({
goodsInfo: computed(() => props.modelValue),
selectedSku: {},
currentPropertyArray: [],
});
const propertyList = convertProductPropertyList(state.goodsInfo.skus);
// SKU 列表
const skuList = computed(() => {
let skuPrices = state.goodsInfo.skus;
for (let price of skuPrices) {
price.value_id_array = price.properties.map((item) => item.valueId)
}
return skuPrices;
});
if (!state.goodsInfo.is_sku) {
state.selectedSku = state.goodsInfo.skus[0];
}
watch(
() => state.selectedSku,
(newVal) => {
emits('change', newVal);
},
{
immediate: true, // 立即执行
deep: true, // 深度监听
},
);
const onBuy = () => {
if (state.selectedSku.id) {
if (state.selectedSku.stock <= 0) {
sheep.$helper.toast('库存不足');
} else {
emits('buy', state.selectedSku);
}
} else {
sheep.$helper.toast('请选择规格');
}
};
// 购买数量改变
function onBuyCountChange(buyCount) {
if (buyCount > 0 && state.selectedSku.count !== buyCount) {
state.selectedSku.count = buyCount;
}
}
// 改变禁用状态
const changeDisabled = (isChecked = false, propertyId = 0, valueId = 0) => {
let newSkus = []; // 所有可以选择的 sku 数组
if (isChecked) {
// 情况一:选中 property
// 获得当前点击选中 property 的、所有可用 SKU
for (let price of skuList.value) {
if (price.stock <= 0) {
continue;
}
if (price.value_id_array.indexOf(valueId) >= 0) {
newSkus.push(price);
}
}
} else {
// 情况二:取消选中 property
// 当前所选 property 下,所有可以选择的 SKU
newSkus = getCanUseSkuList();
}
// 所有存在并且有库存未选择的 SKU 的 value 属性值 id
let noChooseValueIds = [];
for (let price of newSkus) {
noChooseValueIds = noChooseValueIds.concat(price.value_id_array);
}
noChooseValueIds = Array.from(new Set(noChooseValueIds)); // 去重
if (isChecked) {
// 去除当前选中的 value 属性值 id
let index = noChooseValueIds.indexOf(valueId);
noChooseValueIds.splice(index, 1);
} else {
// 循环去除当前已选择的 value 属性值 id
state.currentPropertyArray.forEach((currentPropertyId) => {
if (currentPropertyId.toString() !== '') {
return;
}
// currentPropertyId 为空是反选 填充的
let index = noChooseValueIds.indexOf(currentPropertyId);
if (index >= 0) {
// currentPropertyId 存在于 noChooseValueIds
noChooseValueIds.splice(index, 1);
}
});
}
// 当前已选择的 property 数组
let choosePropertyIds = [];
if (!isChecked) {
// 当前已选择的 property
state.currentPropertyArray.forEach((currentPropertyId, currentValueId) => {
if (currentPropertyId !== '') {
// currentPropertyId 为空是反选 填充的
choosePropertyIds.push(currentValueId);
}
});
} else {
// 当前点击选择的 property
choosePropertyIds = [propertyId];
}
for (let propertyIndex in propertyList) {
// 当前点击的 property、或者取消选择时候已选中的 property 不进行处理
if (choosePropertyIds.indexOf(propertyList[propertyIndex]['id']) >= 0) {
continue;
}
// 如果当前 property id 不存在于有库存的 SKU 中,则禁用
for (let valueIndex in propertyList[propertyIndex]['values']) {
propertyList[propertyIndex]['values'][valueIndex]['disabled'] =
noChooseValueIds.indexOf(propertyList[propertyIndex]['values'][valueIndex]['id']) < 0; // true 禁用 or false 不禁用
}
}
};
// 获取可用的有库存的SKU 列表
const getCanUseSkuList = () => {
let newSkus = [];
for (let sku of skuList.value) {
if (sku.stock <= 0) {
continue;
}
let isOk = true;
state.currentPropertyArray.forEach((propertyId) => {
// propertyId 不为空,并且,这个 条 sku 没有被选中,则排除
if (propertyId.toString() !== '' && sku.value_id_array.indexOf(propertyId) < 0) {
isOk = false;
}
});
if (isOk) {
newSkus.push(sku);
}
}
return newSkus;
};
// 选择规格
const onSelectSku = (propertyId, valueId) => {
// 清空已选择
let isChecked = true; // 选中 or 取消选中
if (state.currentPropertyArray[propertyId] !== undefined && state.currentPropertyArray[propertyId] === valueId) {
// 点击已被选中的,删除并填充 ''
isChecked = false;
state.currentPropertyArray.splice(propertyId, 1, '');
} else {
// 选中
state.currentPropertyArray[propertyId] = valueId;
}
// 选中的 property 大类
let choosePropertyId = [];
state.currentPropertyArray.forEach((currentPropertyId) => {
if (currentPropertyId !== '') {
// currentPropertyId 为空是反选 填充的
choosePropertyId.push(currentPropertyId);
}
});
// 当前所选 property 下,所有可以选择的 SKU 们
let newSkuList = getCanUseSkuList();
// 判断所有 property 大类是否选择完成
if (choosePropertyId.length === propertyList.length && newSkuList.length) {
newSkuList[0].count = state.selectedSku.count || 1;
state.selectedSku = newSkuList[0];
} else {
state.selectedSku = {};
}
// 改变 property 禁用状态
changeDisabled(isChecked, propertyId, valueId);
};
changeDisabled(false);
</script>
<style lang="scss" scoped>
// 购买
.buy-box {
padding: 10rpx 20rpx;
.buy-btn {
width: 100%;
height: 80rpx;
border-radius: 40rpx;
background: linear-gradient(90deg, #ff5854, #ff2621);
color: #fff;
}
}
.ss-modal-box {
border-radius: 30rpx 30rpx 0 0;
max-height: 1000rpx;
.modal-header {
position: relative;
padding: 80rpx 20rpx 40rpx;
.sku-image {
width: 160rpx;
height: 160rpx;
border-radius: 10rpx;
}
.header-right {
height: 160rpx;
}
.close-icon {
position: absolute;
top: 10rpx;
right: 20rpx;
font-size: 46rpx;
opacity: 0.2;
}
.goods-title {
font-size: 28rpx;
font-weight: 500;
line-height: 42rpx;
}
.price-text {
font-size: 30rpx;
font-weight: 500;
color: $red;
font-family: OPPOSANS;
&::before {
content: '¥';
font-size: 24rpx;
}
}
.stock-text {
font-size: 26rpx;
color: #999999;
}
}
.modal-content {
padding: 0 20rpx;
.modal-content-scroll {
max-height: 600rpx;
.label-text {
font-size: 26rpx;
font-weight: 500;
}
.buy-num-box {
height: 100rpx;
}
.spec-btn {
height: 60rpx;
min-width: 100rpx;
padding: 0 30rpx;
background: #f4f4f4;
border-radius: 30rpx;
color: #434343;
font-size: 26rpx;
margin-right: 10rpx;
margin-bottom: 10rpx;
}
.checked-btn {
background: linear-gradient(90deg, #ff5854, #ff2621);
font-weight: 500;
color: #ffffff;
}
.disabled-btn {
font-weight: 400;
color: #c6c6c6;
background: #f8f8f8;
}
}
}
}
.tig {
border: 2rpx solid #ff5854;
border-radius: 4rpx;
width: 126rpx;
height: 38rpx;
.tig-icon {
width: 40rpx;
height: 40rpx;
background: #ff5854;
border-radius: 4rpx 0 0 4rpx;
.cicon-alarm {
font-size: 32rpx;
color: #fff;
}
}
.tig-title {
font-size: 24rpx;
font-weight: 500;
line-height: normal;
color: #ff6000;
width: 86rpx;
display: flex;
justify-content: center;
align-items: center;
}
}
</style>