baiyuchengpin/pages_shopping/live/goods.vue

<template>
	<view class="">
		<view class="content" v-cloak>
			<view class="shop-banner">
				<swiper class="swiper" :indicator-dots="false" :circular="true" :autoplay="true" :interval="3000"
					:duration="1000" indicator-color="rgba(255, 255, 255, 0.6)" indicator-active-color="#ffffff"
					@change="swiperChange">
					<swiper-item class="swiper-item" v-for="(item,index) in  banner" :key="index">
						<image :src="item" mode="aspectFill"></image>
					</swiper-item>
				</swiper>
				<!-- 底部遮罩 -->
				<view class="banner-mask"></view>
				<!-- 数量 -->
				<view class="num-box">{{ activeBanner }}/{{ banner.length }}</view>
			</view>
			<!-- 详细信息 -->
			<view class="det-info" v-if="!!goosDetail">
				<view class="price-box">
					<view class="price">
						<text class="label">会员价</text>
						<text class="unit">￥</text>
						<text class="num">{{goosDetail.price||0}}</text>
						<text class="fs24 color-text2">零售价</text>
						<text class="old">¥{{goosDetail.otPrice||0}}</text>
					</view>
					<!-- <text class="fs24 color-text2">月售{{goosDetail.sales||0}}件</text> -->
				</view>
				<view class="name-box">
					{{goosDetail.productName||0}}
					<view v-if="purchaseLimit > 0" class="limit-info">
						限购{{purchaseLimit}}件<text v-if="remainingPurchaseLimit !== null && remainingPurchaseLimit >= 0">，已购{{purchaseLimit - remainingPurchaseLimit}}件</text>
					</view> 
				</view>

			</view>
		</view>
		<view class="guige">
			<view class="safe-box">
				<text class="text">服务</text>
				<view class="box">
					<image class="mr20"
						src="https://bjzmky-1323137866.cos.ap-chongqing.myqcloud.com/userapp/images/safe.png" mode="">
					</image>
					<view class="mr30" v-for="(item,index) in serviceList" :key="index">
						<text>{{item}}</text>
					</view>
				</view>
			</view>
		</view>
		<!-- 购买人数、库存 -->
		<view class="det-box">
			<view class="title">图文详情</view>
			<view class="inner">
				<view v-html="goosDetail.description" style="font-size:0"></view>
			</view>
		</view>
		<!-- 底部按钮 -->
		<view class="btn-foot">
			<view class="menu-box">
			</view>
			<view class="btn-box">
				<view class="btn buy" @click="addCart('buy')">{{buyText}}</view>
			</view>
		</view>

		<!-- 选择产品规格弹窗 -->
		<popupBottom ref="popup" :visible.sync="specVisible" title=" " radius="32" maxHeight="800">
			<view class="product-spec">
				<view class="pro-info">
					<view class="img-box">
						<!-- 这里应该显示当前选择规格的图片 -->
						<image
							:src="(productValueSelect && productValueSelect.image) || goosDetail.image || 'https://bjzmky-1323137866.cos.ap-chongqing.myqcloud.com/userapp/images/img.png'"
							mode="aspectFill"></image>
					</view>
					<view class="info-text">
						<!-- 商品名称不变 -->
						<view class="info-title">{{goosDetail.productName}}</view>
						<!-- 这里应该显示当前选择规格的价格 -->
						<view class="price">
							<view class="label">会员价</view>
							<text class="unit">¥</text>
							<text class="num">{{ productValueSelect ? productValueSelect.price : goosDetail.price}}</text>
						</view>
						<view class="desc-box">
							<!-- 这里可以显示当前选择规格的库存 -->
							<text class="text" v-if="productValueSelect">库存：{{productValueSelect.stock}}件</text>
							<text class="text" v-else>月售{{goosDetail.sales}}件</text>
						</view>
					</view>
				</view>


				<!-- 规格 -->
				<view class="spec-box">
					<view v-for="(item,index) in attrs" :key="index">
						<view class="title">{{item.attrName}}</view>
						<view class="spec-list">
							<view v-for="(subItem,subindex) in item.values" :key="subindex"
								:class="subindex==item.index?'item active':'item'" @click="choseSpec(index,subindex)">
								{{ subItem }}
							</view>
						</view>
					</view>
				</view>



				<!-- <view class="price-num">
					<view class="label">数量</view>
					<u-number-box bgColor="#f3f3f3" v-model="totalNum" @change="goodsNumChange"></u-number-box>
				</view> -->
				<view class="price-num">
                    <view class="label">数量</view>
					<view class="num-box">
						<view class="img-box" @click="lessNum()">
							<image v-if="totalNum <= 1"
								src="https://jnlzjk-1323137866.cos.ap-chongqing.myqcloud.com/shop/images/jian.png"
								mode=""></image>
							<image v-else
								src="https://jnlzjk-1323137866.cos.ap-chongqing.myqcloud.com/shop/images/jian2.png"
								mode=""></image>
						</view>
						<input type="number" @change="changeNum" v-model="totalNum" />
						<view class="img-box" @click="addNum()">
							<image src="https://jnlzjk-1323137866.cos.ap-chongqing.myqcloud.com/shop/images/add.png"
								mode=""></image>
						</view>
					</view>
				</view>
				<view class="sub-btn" @click="submit">确定</view>
			</view>
		</popupBottom>
    <CustomToast ref="customToast">
    </CustomToast>
	</view>
</template>

<script>
	import {
		liveGoodsDetail
	} from '@/api/living'
	import {
		liveOrderKey, // 生成订单key
	} from "@/api/order.js"
	import popupBottom from '@/components/px-popup-bottom/px-popup-bottom.vue'

  import {CustomToast} from '@/components/custom-toast.vue';

	export default {
		components: {
			popupBottom,CustomToast
		},
		data() {
			return {
				attrs: [],
				banner: [],
				goodsId: null,
				totalNum: 1,
				orderKey: null,
				type: null,
				liveId: null,
				storeId: null,
				selectVal: '', // 当前选择的规格值
				productValueSelect: null, // 当前选择的规格对象
				serviceList: ['品质保障', '隐私保护'],
				productId: null,
				goosDetail: null, //商品详情
				buyText: "立即购买",
				goodsNum: 0, //商品选择数量
				// 当前轮播的图片
				activeBanner: 1,
				// 规格弹窗
				specVisible: false,
				remainingPurchaseLimit:null,
				purchaseLimit:0, // 总限购数量
				isSubmitting: false, // 是否正在提交订单（防重复点击）
				isGettingKey: false // 是否正在获取订单key（防重复调用接口）
			};
		},
		onLoad(options) {
			// console.log("商品详情options", options)
			if (options.productId) {
				this.productId = options.productId;
			}
			this.liveId = options.liveId
			this.goodsId = options.goodsId

			if (options.storeId) {
				this.storeId = options.storeId || ""

			} else {
				uni.showToast({
					title: "storeId不存在~",
					icon: "none"
				})
			}
			this.getliveGoods()
		},
		onShow() {
			// 页面显示时重置标志位，允许从确认订单页面返回后再次购买
			this.isSubmitting = false;
			this.isGettingKey = false;
		},
		methods: {
			// swiper变化事件
			swiperChange(event) {
				this.activeBanner = event.detail.current + 1
			},
			doAddCart(type) {
				// 防止重复提交：如果正在处理中，直接返回
				if (this.isSubmitting) {
					uni.showToast({
						icon: 'none',
						title: '订单正在处理中，请勿重复点击'
					});
					return;
				}
				
				// 检查限购数量
				if (this.remainingPurchaseLimit !== null && typeof this.remainingPurchaseLimit === 'number') {
					// 如果限购数量为0，提示库存不足
					if (this.remainingPurchaseLimit === 0) {
			    this.$refs.customToast.show({
			      title:`该商品限购：${this.purchaseLimit}件\n已达购买上限`,
			      duration: 2000
			    });
						return;
					}
					// 如果购买数量超过限购数量，提示
					if (this.totalNum > this.remainingPurchaseLimit) {
			    this.$refs.customToast.show({
			      title: "购买数量不能超过限购数量：" + this.remainingPurchaseLimit,
			      duration: 2000
			    });
						return;
					}
				}
				if (this.totalNum == 0) {
					uni.showToast({
						icon: 'none',
						title: "购买商品数量必须大于0",
					});
					return;
				}
				
				var isBuy = type == "buy" ? 1 : 0;
				if (type == "buy") {
					// 标记正在提交
					this.isSubmitting = true;
					this.getKey();
				} else {
					// 标记正在提交
					this.isSubmitting = true;
					setTimeout(() => {
						uni.showToast({
							icon: 'success',
							title: "添加成功",
						});
						// 延迟清除标志位
						this.isSubmitting = false;
					}, 300);
				}
			},

			// 获得key
			getKey() {
				// 防止重复调用：如果正在获取key，直接返回
				if (this.isGettingKey) {
					console.log('正在获取订单key，请勿重复点击');
					return;
				}
				
				// 标记正在获取key
				this.isGettingKey = true;
				liveOrderKey().then(res => {
						if (res.code == 200) {
							// console.log("下订单的key>>>>", res)
							this.orderKey = res.orderKey
							// 跳转前清除标志位
							this.isSubmitting = false;
							this.isGettingKey = false;
							uni.navigateTo({
								url: '/pages_shopping/live/confirmCreateOrder?&orderKey=' + this.orderKey +
									'&liveId=' + this.liveId + '&goodsId=' + this.goodsId +
									'&productId=' + this.productId + '&totalNum=' + this.totalNum +
									"&productValueSelect=" + this.productValueSelect.id
							})
						} else {
							// 错误时清除标志位
							this.isSubmitting = false;
							this.isGettingKey = false;
							uni.showToast({
								title: res.msg,
								icon: 'none'
							});
						}
					},
					rej => {
						// 请求失败时清除标志位
						this.isSubmitting = false;
						this.isGettingKey = false;
						console.error('获取订单key失败:', rej);
					}
				);
			},
			// // 选择商品数量
			// goodsNumChange(e) {
			// 	console.log('当前选择商品数量为: ' + e.value)
			// 	this.totalNum = e.value
			// 	if (this.totalNum < 1) {
			// 		this.totalNum = 1
			// 	}
			// 	if (this.totalNum >= this.productValueSelect.stock) {
			// 		this.totalNum = this.productValueSelect.stock
			// 	}
			// 	if(this.totalNum > this.remainingPurchaseLimit){
			// 		this.totalNum = this.remainingPurchaseLimit
			// 		uni.showToast({
			// 			icon: 'none',
			// 			title: "该商品限购："+this.remainingPurchaseLimit+"次"+"，已达购买上限",
			// 		});
			// 	}
			// },
			// 提交
			submit() {
				this.specVisible = false
				this.doAddCart(this.type);
			},
			// 加入购物车
			addCart(type) {
				if (type == 'buy') {
					let userInfoStr = uni.getStorageSync('userInfo');
					if(Object.prototype.toString.call(userInfoStr) == '[object String]'){
						userInfoStr = JSON.parse(userInfoStr)
					}
					if (!userInfoStr || userInfoStr && !userInfoStr.maOpenId) {
						uni.navigateTo({
							url: '/pages/auth/login'
						});
						return;
					}
				}
				this.type = type;
				this.specVisible = true
			},
			//商品详情
			getliveGoods() {
				if (!this.productId) return;
				uni.showLoading({
					title: '加载中'
				});
				liveGoodsDetail(this.productId).then(res => {
						uni.hideLoading()
						if (res.code == 200) {
							this.goosDetail = res.product
							this.banner = res.product.sliderImage.split(',');
                            this.remainingPurchaseLimit=res.remainingPurchaseLimit
							// 如果接口返回了总限购数量，也保存
							if (res.product.purchaseLimit !== null) {
								this.purchaseLimit = res.product.purchaseLimit;
							}
							this.attrs = res.productAttr;
							this.attrs.forEach((item, index, arr) => {
								item.values = item.attrValues.split(',');
								item.index = 0
							});
							this.values = res.productValues;
							this.choseSpec(0, 0)
						} else {
							uni.showToast({
								title: res.msg,
								icon: 'none'
							});
						}
					},
					rej => {}
				);
			},
			getValueSelect() {
				var valueSelect = this.values.filter((item) => {
					return item.sku == this.selectVal;
				});
				return valueSelect;
			},
			// 规格选择
			choseSpec(index, subIndex) {
				this.attrs[index].index = subIndex;
				this.$forceUpdate();
				let productAttr = this.attrs;
				let values = [];
				for (let i = 0; i < productAttr.length; i++) {
					for (let j = 0; j < productAttr[i].values.length; j++) {
						if (productAttr[i].index === j) { //筛选出默认规格
							values.push(productAttr[i].values[j]);
						}
					}
				}
				let selectVal = values.sort().join(","); //返回值：默认
				this.selectVal = selectVal;
				// var valueSelect=this.values.filter((item)=>{
				//      return item.sku==selectVal;
				// });
				var valueSelect = this.getValueSelect();
				console.log("qxj valueSelect:" + valueSelect);
				if (valueSelect != null && valueSelect.length > 0) {
					this.productValueSelect = valueSelect[0];
				}
				console.log("qxj productValueSelect:" + JSON.stringify(this.productValueSelect));
				this.updateSpecNum();

			},
			//更新数量
			updateSpecNum() {
				if (this.productValueSelect.stock == 0) {
					this.totalNum = 0;
				} else {
					this.totalNum = 1;
				}
			},
			changeNum(e) {
				this.totalNum = e.detail.value.replace(/\D/g, '')
				if (this.totalNum < 1) {
					this.totalNum = 1
				}
				if (this.totalNum >= this.productValueSelect.stock) {
					this.totalNum = this.productValueSelect.stock
				}
				if(this.totalNum > this.remainingPurchaseLimit && this.remainingPurchaseLimit!==null){
					this.totalNum = this.remainingPurchaseLimit;
          this.$refs.customToast.show({
            title: `该商品限购：${this.remainingPurchaseLimit}件\n已达购买上限`,
            duration: 2000
          });
					// uni.showToast({
					// 	icon: 'none',
					// 	title: "该商品限购："+this.remainingPurchaseLimit+"次"+"，已达购买上限",
					// });
				}
			},
			// 数量减法
			lessNum() {
				this.totalNum--
				if (this.totalNum < 1) {
					this.totalNum = 1
				}
				if (this.totalNum >= this.productValueSelect.stock) {
					this.totalNum = this.productValueSelect.stock
				}
			},
			// 数量加法
			addNum() {
				this.totalNum++
				if (this.totalNum >= this.productValueSelect.stock) {
					this.totalNum = this.productValueSelect.stock
				}
				if(this.totalNum > this.remainingPurchaseLimit && this.remainingPurchaseLimit!==null){
					this.totalNum = this.remainingPurchaseLimit;
          this.$refs.customToast.show({
            title: `该商品限购：${this.remainingPurchaseLimit}件\n已达购买上限`,
            duration: 2000
          });
					// uni.showToast({
					// 	icon: 'none',
					// 	title: "该商品限购："+this.remainingPurchaseLimit+"次"+"，已达购买上限",
					// });
				}
			}
		}
	}
</script>

<style lang="scss">
	[v-cloak] {
		display: none;
	}

	.content {
		font-family: PingFang SC;
	}

	.shop-banner {
		height: 756rpx;
		background-color: #FFFFFF;
		position: relative;

		.swiper-item {
			box-sizing: border-box;
			position: relative;
		}

		.swiper,
		.swiper-item,
		.swiper-item image {
			width: 100%;
			height: 100%;
		}

		.banner-mask {
			width: 100%;
			height: 44rpx;
			position: absolute;
			left: 0;
			bottom: 0;
			z-index: 9;
			background-size: 20rpx 44rpx;
			background-repeat: repeat-x;
		}

		.num-box {
			width: 80rpx;
			height: 40rpx;
			line-height: 40rpx;
			text-align: center;
			font-size: 24rpx;
			color: #FFFFFF;
			background: rgba(0, 0, 0, .7);
			border-radius: 20rpx;
			position: absolute;
			right: 40rpx;
			bottom: 34rpx;
			z-index: 10;
		}
	}

	.guige {
		padding: 24rpx;
		border-radius: 16rpx;
		background: #fff;
		width: auto;
		font-size: 24rpx;
		color: #222426;
		margin: 24rpx;

		.safe-box {
			display: flex;
			align-items: center;
			padding-top: 24rpx;
			font-size: 24rpx;
			color: #222426;

			.text {
				color: #999999;
				margin-right: 40rpx;
			}

			.box {
				display: flex;
				align-items: center;

				image {
					width: 28rpx;
					height: 28rpx;
					margin-right: 10rpx;
				}

				view {
					display: flex;
					align-items: center;
					margin-right: 40rpx;

					&:last-child {
						margin-right: 0;

						image {
							margin-right: 0;
						}
					}
				}
			}

		}

	}

	.det-info {
		background: #FFFFFF;
		padding: 24rpx;
		margin: 24rpx;
		border-radius: 16rpx;

		.price-box {
			display: flex;
			align-items: flex-end;
			justify-content: space-between;

			.price {
				display: flex;
				align-items: flex-end;

				.label {
					font-weight: 500;
					font-size: 24rpx;
					color: #FF5030;
					line-height: 1.3;
					margin-right: 10rpx;
				}

				.unit {
					font-size: 26rpx;
					font-weight: bold;
					color: #FF6633;
					line-height: 1.3;
				}

				.num {
					font-size: 48rpx;
					font-weight: bold;
					color: #FF5030;
					margin-right: 20rpx;
					line-height: 1;
				}

				.old {
					font-size: 24rpx;
					font-family: PingFang SC;
					font-weight: 400;
					text-decoration: line-through;
					color: #898E91;
					margin-left: 10rpx;
					line-height: 1.3;
				}
			}
		}

		.name-box {
			font-size: 32rpx;
			font-weight: bold;
			color: #111111;
			line-height: 44rpx;
			margin-top: 32rpx;

			.tag {
				display: inline-block;
				padding: 2rpx 8rpx;
				height: 32rpx;
				background: #F5A623;
				border-radius: 4rpx;
				margin-right: 10rpx;
				font-weight: 400;
				font-size: 20rpx;
				color: #FFFFFF;
				line-height: 30rpx;
				float: left;
				margin-top: 7rpx;
			}
			.limit-info {
				font-size: 32rpx;
				font-weight: 500;
				color: #FF6633;
				margin-top: 16rpx;
				line-height: 1;
			}
		}
	}

	.det-box {
		margin-top: 10rpx;
		background-color: #FFFFFF;
		padding: 24rpx;
		margin: 24rpx 24rpx 175rpx 24rpx;
		border-radius: 16rpx;

		.title {
			font-size: 32rpx;
			font-weight: bold;
			color: #333333;
			line-height: 60rpx;
			margin-bottom: 30rpx;
			padding-bottom: 24rpx;
			border-bottom: 1px solid #ECECEC;
		}

		.inner {
			margin-bottom: 100rpx;
		}
	}

	.btn-foot {
		box-sizing: border-box;
		width: 100%;
		height: 151rpx;
		background: #FFFFFF;
		padding: 0 24rpx;
		display: flex;
		align-items: center;
		justify-content: space-between;
		position: fixed;
		left: 0;
		bottom: 0;
		z-index: 99;

		.menu-box {
			display: flex;
			align-items: center;
		}

		.btn-box {
			display: flex;
			align-items: center;

			.btn {
				width: 200rpx;
				height: 88rpx;
				line-height: 88rpx;
				text-align: center;
				border-radius: 44rpx;
				margin-left: 20rpx;
				font-size: 28rpx;
				font-weight: bold;
				color: #FFFFFF;

				&:first-child {
					margin-left: 0;
				}

				&.buy {
					background: #2bc7b9;
				}
			}
		}
	}

	.product-spec {
		padding-bottom: 30rpx;

		.pro-info {
			display: flex;
			align-items: center;

			.img-box {
				width: 200rpx;
				height: 200rpx;
				background: #FFFFFF;
				border-radius: 16rpx;
				overflow: hidden;
				margin-right: 30rpx;

				image {
					width: 100%;
					height: 100%;
				}
			}

			.info-text {
				height: 200rpx;
				display: flex;
				flex-direction: column;
				justify-content: space-between;

				.info-title {
					font-family: PingFang SC;
					font-weight: 600;
					font-size: 28rpx;
					color: #222426;
					text-align: left;
				}

				.price {
					display: flex;
					align-items: flex-end;

					.label {
						font-weight: 500;
						font-size: 24rpx;
						color: #FF5030;
						line-height: 1.3;
						margin-right: 10rpx;
					}

					.unit {
						font-size: 32rpx;
						font-weight: bold;
						color: #FF6633;
						line-height: 1.2;
						margin-right: 10rpx;
					}

					.num {
						font-size: 50rpx;
						font-weight: bold;
						color: #FF6633;
						line-height: 1;
					}
				}

				.desc-box {
					display: flex;
					flex-direction: column;
					padding-bottom: 9rpx;

					.text {
						font-size: 26rpx;
						font-weight: 500;
						color: #999999;
						margin-top: 27rpx;
						line-height: 1;

						&:first-child {
							margin-top: 0;
						}
					}
				}
			}
		}

		.spec-box {
			padding-top: 50upx;

			.title {
				font-size: 34upx;
				font-family: PingFang SC;
				font-weight: bold;
				color: #111111;
				line-height: 1;
			}

			.spec-list {
				display: flex;
				flex-wrap: wrap;
				margin-top: 30upx;

				.item {
					box-sizing: border-box;
					height: 64upx;
					padding: 0 30upx;
					line-height: 64upx;
					font-size: 28upx;
					font-family: PingFang SC;
					font-weight: 500;
					color: #111111;
					background: #F7F7F7;
					border: 1px solid #F7F7F7;
					border-radius: 32upx;
					margin-right: 20upx;
					margin-bottom: 30upx;

					&.active {
						background: #F1FFFE;
						border: 1px solid #8AD5CE;
						color: #2BC7B9;
					}
				}
			}
		}

		.price-num {
			display: flex;
			align-items: center;
			justify-content: space-between;
			margin-top: 30rpx;

			.label {
				font-size: 36rpx;
				font-weight: bold;
				color: #111111;
			}
			.num-box {
				display: flex;
				align-items: center;
			
				.img-box {
					width: 60upx;
					height: 60upx;
					// border-radius: 4upx;
					border: 1px solid #dddddd;
					display: flex;
					align-items: center;
					justify-content: center;
			
					image {
						width: 25rpx;
						height: 25rpx;
					}
				}
			
				input {
					width: 60upx;
					height: 60upx;
					line-height: 60upx;
					font-size: 28upx;
					font-family: PingFang SC;
					font-weight: 500;
					color: #111111;
					// border-radius: 4upx;
					border-top: 1px solid #dddddd;
					border-bottom: 1px solid #dddddd;
					text-align: center;
					// margin: 0 16upx;
				}
			}
		}

		.sub-btn {
			width: 100%;
			height: 88rpx;
			line-height: 88rpx;
			text-align: center;
			font-size: 32rpx;
			font-weight: bold;
			color: #FFFFFF;
			background: #2BC7B9;
			border-radius: 44rpx;
			margin-top: 30rpx;
		}
	}
</style>