<template> <u-popup v-model="showPop" mode="bottom" border-radius="14" :closeable="true" @close="onClose" :safe-area-inset-bottom="true"> <view class="bg-white spec-contain"> <view class="header flex"> <u-image width="160rpx" height="160rpx" class="m-r-20" border-radius="10rpx" @click="previewImage(checkedGoods.image)" :src="checkedGoods.image"></u-image> <view class="goods-info"> <view class="primary flex"> <price-format :first-size="46" :second-size="32" :subscript-size="32" :price="group ? checkedGoods.team_price : checkedGoods.price" :weight="500" /> <view class="vip-price flex" v-if="!group && !isSeckill && checkedGoods.member_price"> <view class="price-name xxs">会员价</view> <view style="padding: 0 11rpx"> <price-format :price="checkedGoods.member_price" :first-size="22" :second-size="22" :subscript-size="22" :weight="500" color="#7B3200" /> </view> </view> </view> <view class="sm" v-if="showStock"> 库存:{{checkedGoods.stock}}件 </view> <view class="sm m-t-10"> <text>{{specValueText}}</text> </view> </view> </view> <view class="spec-main" style="height: 550rpx;"> <scroll-view style="max-height: 500rpx;" scroll-y="true"> <view class="spec-list"> <view v-for="(item, index) in specList" :key="index" class="spec"> <view class="name m-b-20"> {{ item.name }} <text class="primary xs m-l-20">{{checkedGoods.spec_value_ids_arr[index] == '' ? '请选择'+item.name:''}}</text> </view> <view class="flex flex-wrap"> <view v-for="(specitem, index2) in item.spec_value" :key="index2" :class="'spec-item sm ' + ( checkedGoods.spec_value_ids_arr[index] == specitem.id ? 'checked' : '' ) + ( isDisable(specitem.id) ? 'disabled':'')" @click="choseSpecItem(index, index2)"> {{ specitem.value }} </view> </view> </view> </view> </scroll-view> <view class="good-num flex row-between m-l-20 m-r-20"> <view class="label">数量</view> <u-number-box v-if="show" v-model="goodsNum" :min="1" :max="checkedGoods.stock"></u-number-box> </view> </view> <view v-if="shop.is_pay" class="btns flex row-between bg-white" :class="specValueText.indexOf('请选择') != -1 || checkedGoods.stock == 0 ? 'disabled':''"> <button v-if="showAdd && type==0" class="add-cart br60 white btn" size="lg" @click="onClick('addcart')">{{yellowBtnText}}</button> <button v-if="showBuy" class="bg-primary br60 white btn" size="lg" @click="onClick('buynow')">{{redBtnText}}</button> <button v-if="showConfirm" class="bg-primary br60 white btn" size="lg" @click="onClick('confirm')">确定</button> </view> </view> </u-popup> </template> <script> export default { data() { return { shop: {}, checkedGoods: { stock: 0 }, //选中的 outOfStock: [], //缺货的 specList: [], //规格 disable: [], //不可选择的 goodsNum: 1, showPop: false }; }, props: { show: { type: Boolean }, goods: { type: Object }, showAdd: { type: Boolean, default: true }, showBuy: { type: Boolean, default: true }, showConfirm: { type: Boolean, default: false }, redBtnText: { type: String, default: "立即购买" }, yellowBtnText: { type: String, default: "加入购物车" }, showStock: { type: Boolean, default: true }, group: { type: Boolean, default: false }, isSeckill: { type: Boolean, default: false }, // type 是用来判断是什么类型的商品0=实物商品,1=虚拟商品 type: { type: Boolean, default: false } }, computed: { // 选择的规格参数等 specValueText() { let arr = this.checkedGoods.spec_value_ids?.split(','); let spec_str = '' if (arr) arr.forEach((item, index) => { if (item == '') spec_str += this.specList[index].name + ',' }) if (this.checkedGoods?.stock != 0 && spec_str == '') return `已选择 ${this.checkedGoods.spec_value_str} ${this.goodsNum} 件` else return `请选择 ${spec_str.slice(0, spec_str.length - 1)}` } }, watch: { goods(value) { this.specList = value.goods_spec || []; let goodsItem = value.goods_item || []; this.shop = value.shop || {} this.outOfStock = goodsItem.filter(item => item.stock == 0) // 找出库存不为0的 const resultArr = goodsItem.filter(item => item.stock != 0) if (resultArr.length != 0) { resultArr[0].spec_value_ids_arr = resultArr[0].spec_value_ids.split(','); this.checkedGoods = resultArr[0] } else { // 无法选择 goodsItem[0].spec_value_ids_arr = [] this.disable = goodsItem.map(item => item.spec_value_ids.split(',')); this.checkedGoods = goodsItem[0] } }, specList(value) { if (this.checkedGoods?.stock == 0) return const res = this.goods.goods_item.filter(item => { return this.checkedGoods.spec_value_ids === item.spec_value_ids }) // 库存为0的规格 const idsArr = this.checkedGoods.spec_value_ids_arr; const outOfStock = this.outOfStock; // 找出规格相同和规格不相同的余数 const getArrGather = this.getArrResult(idsArr, outOfStock); // 计算出缺货的规格项 this.disable = this.getOutOfStockArr(getArrGather, idsArr) if (res.length != 0) { let result = JSON.parse(JSON.stringify(res[0])) result.spec_value_ids_arr = result.spec_value_ids.split(',') this.checkedGoods = result; // 同步到父组件 this.$emit('change', { detail: this.checkedGoods }); } }, show(val) { this.showPop = val } }, created() { console.log('spec') }, methods: { isDisable(e) { const res = this.disable.filter(item => item == e) if (res.length != 0) return true else return false }, onClose() { this.$emit('close') }, onClick(type) { let { checkedGoods, goodsNum } = this; if(this.specValueText.indexOf('请选择') != -1) return this.$toast({ title: this.specValueText }) if(checkedGoods.stock == 0) return this.$toast({ title: '当前选择库存不足' }) checkedGoods.goodsNum = goodsNum; this.$emit(type, { detail: checkedGoods }); }, // 选择规格 choseSpecItem(index, index2) { const id = this.specList[index].spec_value[index2].id; // 无法选择 const disable = this.disable.filter(item => item == id) if (disable.length != 0) return let idsArr = this.checkedGoods.spec_value_ids_arr; if (id == idsArr[index]) idsArr[index] = '' else idsArr[index] = id; //保存已选规格 this.checkedGoods.spec_value_ids_arr = idsArr; this.checkedGoods.spec_value_ids = idsArr.join(','); // 重新渲染页面 this.specList = [...this.specList] }, // 过滤出需要进行禁用的规格 getOutOfStockArr(arr, arr1, result = []) { arr.forEach(el => { if (el.num >= (arr1.length - 1)) { result.push(...el.different) } }) return result }, // 匹配出缺货库存和已选中对比结果 getArrIdentical(arr1, arr2, arr = [], num = 0) { arr1.forEach(el => { arr2.forEach(el2 => { if (el == el2) { num += 1; arr.push(el) } }) }); return { num, //n个相同的 different: this.getArrDifference([...new Set(arr)].map(Number), arr2.map(Number)), identical: [...new Set(arr)] } }, // 匹配出已选择和缺库存的 getArrResult(arr, outOfStock, result = []) { outOfStock.forEach(item => { const res = this.getArrIdentical(arr, item.spec_value_ids.split(',')) if (res != undefined && res.length != 0) { result.push(res) } }) return result }, // 找出两个数组中参数不同的 getArrDifference(arr1, arr2) { return arr1.concat(arr2).filter(function(v, i, arr) { return arr.indexOf(v) == arr.lastIndexOf(v); }); }, // 查看商品图片 previewImage(current) { uni.previewImage({ current, urls: [current] // 需要预览的图片http链接列表 }); } } }; </script> <style lang="scss" scoped> .spec-contain { border-radius: 10rpx 10rpx 0 0; overflow: hidden; position: relative; .close { position: absolute; right: 10rpx; top: 10rpx; } .header { padding: 30rpx; padding-right: 70rpx; align-items: flex-start; border: $-solid-border; } .spec-main { padding: 0 24rpx; .spec-list { padding: 30rpx 20rpx; .spec-item { line-height: 54rpx; padding: 0 30rpx; background-color: #F4F4F4; border-radius: 60rpx; margin: 0 20rpx 20rpx 0; border: 1px solid #F4F4F4; &.checked { background-color: #FFE9EB; color: $-color-primary; border-color: currentColor; } &.disabled { opacity: .5; text-decoration: line-through; } } } } // 底部按钮无法选择 .disabled { opacity: 0.4; } .btns { height: 120rpx; padding: 0 30rpx; margin-top: 80rpx; .add-cart { background-color: #FF9E1E; } .btn { margin: 0 10rpx; flex: 1; } } .vip-price { margin: 0 24rpx; background-color: #FFE9BA; line-height: 36rpx; border-radius: 6rpx; overflow: hidden; .price-name { background-color: #101010; padding: 3rpx 12rpx; color: #FFD4B7; position: relative; overflow: hidden; &::after { content: ''; display: block; width: 20rpx; height: 20rpx; position: absolute; right: -15rpx; background-color: #FFE9BA; border-radius: 50%; top: 50%; transform: translateY(-50%); box-sizing: border-box; } } } } </style>