dykj-uniapp-store/sheep/components/s-select-sku/s-select-sku.vue
2024-05-24 09:16:17 +08:00

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<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">
<view class="header-left ss-m-r-30">
<image class="sku-image" :src="state.selectedSku.picUrl || goodsInfo.picUrl" mode="aspectFill" />
</view>
<view class="header-right ss-flex-col ss-row-between ss-flex-1">
<view class="goods-title ss-line-2">{{ goodsInfo.name }}</view>
<view class="header-right-bottom ss-flex ss-col-center ss-row-between">
<view class="ss-flex">
<view class="price-text">
{{ fen2yuan( state.selectedSku.price || goodsInfo.price) }}
</view>
</view>
<view class="stock-text ss-m-l-20">
{{ formatStock('exact', state.selectedSku.stock || goodsInfo.stock) }}
</view>
</view>
</view>
</view>
<!-- 属性选择 -->
<view class="modal-content ss-flex-1">
<scroll-view scroll-y="true" class="modal-content-scroll" @touchmove.stop>
<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="[
{
'ui-BG-Main-Gradient': 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 ss-m-b-40">
<view class="label-text">购买数量</view>
<su-number-box :min="1" :max="state.selectedSku.stock" :step="1"
v-model="state.selectedSku.goods_num" @change="onNumberChange($event)" />
</view>
</scroll-view>
</view>
<!-- 操作区 -->
<view class="modal-footer border-top">
<view class="buy-box ss-flex ss-col-center ss-flex ss-col-center ss-row-center">
<button class="ss-reset-button add-btn ui-Shadow-Main" @tap="onAddCart">加入购物车</button>
<button class="ss-reset-button buy-btn ui-Shadow-Main" @tap="onBuy">立即购买</button>
</view>
</view>
</view>
</su-popup>
</template>
<script setup>
import { computed, reactive, watch } from 'vue';
import sheep from '@/sheep';
import { formatStock, convertProductPropertyList, fen2yuan } from '@/sheep/hooks/useGoods';
const emits = defineEmits(['change', 'addCart', 'buy', 'close']);
const props = defineProps({
goodsInfo: {
type: Object,
default () {},
},
show: {
type: Boolean,
default: false,
}
});
const state = reactive({
selectedSku: {}, // 选中的 SKU
currentPropertyArray: [], // 当前选中的属性,实际是个 Map。key 是 property 编号value 是 value 编号
});
const propertyList = convertProductPropertyList(props.goodsInfo.skus);
// SKU 列表
const skuList = computed(() => {
let skuPrices = props.goodsInfo.skus;
for (let price of skuPrices) {
price.value_id_array = price.properties.map((item) => item.valueId)
}
return skuPrices;
});
watch(
() => state.selectedSku,
(newVal) => {
emits('change', newVal);
}, {
immediate: true, // 立即执行
deep: true, // 深度监听
},
);
// 输入框改变数量
function onNumberChange(e) {
if (e === 0) return;
if (state.selectedSku.goods_num === e) return;
state.selectedSku.goods_num = e;
}
// 加入购物车
function onAddCart() {
if (state.selectedSku.id <= 0) {
sheep.$helper.toast('请选择规格');
return;
}
if (state.selectedSku.stock <= 0) {
sheep.$helper.toast('库存不足');
return;
}
emits('addCart', state.selectedSku);
}
// 立即购买
function onBuy() {
if (state.selectedSku.id <= 0) {
sheep.$helper.toast('请选择规格');
return;
}
if (state.selectedSku.stock <= 0) {
sheep.$helper.toast('库存不足');
return;
}
emits('buy', state.selectedSku);
}
// 改变禁用状态:计算每个 property 属性值的按钮,是否禁用
function 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
}
}
}
// 当前所选属性下,获取所有有库存的 SKU 们
function 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
function 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].goods_num = state.selectedSku.goods_num || 1;
state.selectedSku = newSkuList[0];
} else {
state.selectedSku = {};
}
// 改变 property 禁用状态
changeDisabled(isChecked, propertyId, valueId);
}
changeDisabled(false);
// TODO 芋艿待讨论的优化点1单规格要不要默认选中2默认要不要选中第一个规格
</script>
<style lang="scss" scoped>
// 购买
.buy-box {
padding: 10rpx 0;
.add-btn {
width: 356rpx;
height: 80rpx;
border-radius: 40rpx 0 0 40rpx;
background-color: var(--ui-BG-Main-light);
color: var(--ui-BG-Main);
}
.buy-btn {
width: 356rpx;
height: 80rpx;
border-radius: 0 40rpx 40rpx 0;
background: linear-gradient(90deg, var(--ui-BG-Main), var(--ui-BG-Main-gradient));
color: #fff;
}
.score-btn {
width: 100%;
margin: 0 20rpx;
height: 80rpx;
border-radius: 40rpx;
background: linear-gradient(90deg, var(--ui-BG-Main), var(--ui-BG-Main-gradient));
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;
}
.score-img {
width: 36rpx;
height: 36rpx;
margin: 0 4rpx;
}
.score-text {
font-size: 30rpx;
font-weight: 500;
color: $red;
font-family: OPPOSANS;
}
.price-text {
font-size: 30rpx;
font-weight: 500;
color: $red;
font-family: OPPOSANS;
&::before {
content: '¥';
font-size: 30rpx;
font-weight: 500;
color: $red;
}
}
.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;
}
.disabled-btn {
font-weight: 400;
color: #c6c6c6;
background: #f8f8f8;
}
}
}
}
</style>