yijianbao_user_uniapp/pages_shopping/cart.vue

<template>
	<view class="content">
		<!-- 商品列表 -->
		<view class="shopbox" v-for="(shop,idx) in carts" :key="idx">
			<view class="shopbox-name" v-if="shop.storeName && shop.storeName != 'null'">
				<label style="margin-right: 30upx;">
					<checkbox :value="shop.checked" :checked="shop.checked" @click="checkShopChange(shop)" style="transform: scale(0.9);" />
				</label>
				<text>{{shop.storeName}}</text>
			</view>
			<view class="goods-list">
				<view class="item" v-for="(item,index) in shop.list" :key="index">
					<label style="margin-right: 30upx;">
						<checkbox :value="item.checked"  :checked="item.checked" @click="checkChange(item,shop)" style="transform: scale(0.9);" />
					</label>
					<image class="goods-img" :src="item.productAttrImage==null||item.productAttrImage==''?item.productImage:item.productAttrImage" mode="aspectFit" @click="handleDetail(item)"></image>
					<view class="info-box" @click="handleDetail(item)">
						<view>
							<view class="title-box">
								<view class="tag">{{$getDictLabelName("storeProductType",item.productType)}}</view>
								<view class="title ellipsis">{{ item.productName }}</view>
							</view>
							<view class="intro ellipsis">{{item.productAttrName}}</view>
						</view>
						<view class="price-num">
							<view class="price">
								<text class="unit">¥</text>
								<text class="text">{{item.price}}</text>
							</view>
							<view class="num-box" @click.stop>
								<view class="img-box" @click="delNum(item)">
									<image v-if="item.cartNum <= 1" src="https://bjyjb-1362704775.cos.ap-chongqing.myqcloud.com/app/newImages/shopping/jian.png" mode=""></image>
									<image v-else src="https://bjyjb-1362704775.cos.ap-chongqing.myqcloud.com/app/newImages/shopping/jian2.png" mode=""></image>
								</view>
								<input  type="number" @change="changeNum($event,item)" :value="item.cartNum"   />
								<view class="img-box" @click="addNum(item)">
									<image src="https://bjyjb-1362704775.cos.ap-chongqing.myqcloud.com/app/newImages/shopping/add.png" mode=""></image>
								</view>
							</view>
						</view>
					</view>
				</view>
			</view>
		</view>
		<view v-if="carts.length == 0" class="no-data-box">
			<image src="https://cos.his.cdwjyyh.com/fs/20240423/cf4a86b913a04341bb44e34bb4d37aa2.png" mode="aspectFit"></image>
			<view class="empty-title">暂无数据</view>
		</view>
		<!-- 猜你喜欢 -->
		 
		<!-- <view class="like-product">
			<likeProduct  ref="product" />
		</view> -->
		<!-- 底部按钮 -->
		<view class="btn-foot">
			<view class="left">
				<label>
					<checkbox  :checked="checkAll" @click="handleCheckAll()" style="transform: scale(0.9);" />
				</label>
				<text class="text">全选</text>
				<text class="text" @click="delCart()">删除</text>
			</view>
			<view class="right">
				<view class="total">
					<text class="label">合计：</text>
					<view class="price">
						<text class="unit">¥</text>
						<text class="num">{{totalMoney.toFixed(2)}}</text>
					</view>
				</view>
				<view class="btn" @click="submit">结算</view>
			</view>
		</view>
		
	</view>
</template>

<script>
	import {getCarts,cartNum,delCart} from './api/product.js'
	// import likeProduct from '@/components/likeProduct.vue'
	export default {
		// components: {
		// 	likeProduct
		// },	
		data() {
			return {
				 
				totalMoney:0.00,
				carts:[],
				checkAll:false,
			}	
		},
		onShow() {
			this.getCarts();
		},
		methods: {
			handleDetail(item) {
				uni.navigateTo({
					url: '/pages_shopping/productDetails?productId=' + item.productId
				})
			},
			delCart(){			
				var selectCarts = this.carts.flatMap(item => item.list.filter(listItem => listItem.checked === true)).map(el => el.id);
				
				if(selectCarts.length==0){
					uni.showToast({
						icon:'none',
						title: "请选择商品删除",
					});
					return;
				}
				let data = {ids:selectCarts};
				delCart(data).then(
					res => {
						if(res.code==200){
							uni.showToast({
								icon:'success',
								title: "操作成功",
							});
							this.getCarts()
						}else{
							
							uni.showToast({
								icon:'none',
								title: res.msg,
							});
						}
					},
					rej => {}
				);
			},
			computedMoney(){
				var money=0;
				var that=this;
				this.carts.forEach((item,index,arr)=>{
					item.list.forEach(it => {
						if(it.checked){
							money+=it.price*it.cartNum;
						}
					});
				})
				this.totalMoney=money;
			},
			handleCheckAll(){
				this.checkAll=!this.checkAll;
				var that=this;
				this.carts.forEach((item,index,arr)=>{
				     item.checked=that.checkAll;
					 item.list.forEach(it => {
					 	it.checked=that.checkAll;
					 });
				})
				this.computedMoney();
			},
			checkShopChange(item) {
				item.checked = !item.checked;
				item.list.forEach(it => {
					it.checked= item.checked;
				});
				this.checkAll = this.carts.every(it => it.checked == true);
				this.computedMoney();
			},
			checkChange(item,shop){
				item.checked=!item.checked;
				shop.checked = shop.list.every(it => it.checked == true);
				this.checkAll = this.carts.every(it => it.checked == true);
				this.computedMoney();
			},
			changeNum(e,item) {
				item.cartNum = e.detail.value.replace(/\D/g, '')
				if (item.cartNum <= 1) {
				  uni.showToast({
				    title: "已经是底线啦!",
				    icon: "none",
				    duration: 2000
				  });
				  return;
				}
				if(item.cartNum < 1) {
					item.cartNum = 1
				}
				if(item.cartNum>=item.stock){
					item.cartNum=item.stock;
				}
				this.changeCartNum(item)
			},
			changeCartNum(item){
				let data = {number:item.cartNum,id:item.id};
				cartNum(data).then(
					res => {
						if(res.code==200){
							uni.showToast({
								icon:'none',
								title: "操作成功",
							});
							this.computedMoney();
							
						}else{
							
							uni.showToast({
								icon:'none',
								title: res.msg,
							});
						}
					},
					rej => {}
				);
			},
			getCarts(){
				getCarts().then(
					res => {
						if(res.code==200){
							 this.carts=res.carts;
							 this.carts.forEach(item => {
							   item.checked = false;
							   item.list.forEach(it => {
							     it.checked = false;
							   });
							 });
							 this.computedMoney();
						}else{
							uni.showToast({
								icon:'none',
								title: "请求失败",
							});
						}
					},
					rej => {}
				);
			},
			// 购物车减法
			delNum(item) {
				if (item.cartNum <= 1) {
				  uni.showToast({
				    title: "已经是底线啦!",
				    icon: "none",
				    duration: 2000
				  });
				  return;
				}
				item.cartNum --
				if(item.cartNum < 1) {
					item.cartNum = 1
				}
				 
				this.changeCartNum(item)
			},
			// 购物车加法
			addNum(item) {
				console.log(item)
				item.cartNum++
				if(item.cartNum>=item.stock){
					item.cartNum=item.stock;
				}
				this.changeCartNum(item)
			},
			// 结算
			submit() {
				let selectCarts = this.carts
				  .filter(item => item.list.some(listItem => listItem.checked === true))
				  .map(item => ({
				    storeId: item.list[0].storeId || "",
				    data: {
				      type: "cart",
				      cartIds: item.list.filter(it=>it.checked == true).map(it => it.id).join(","),
				    }
				  }));
				if(selectCarts.length==0){
					uni.showToast({
						icon:'none',
						title: "请选择商品",
					});
					return;
				}
				uni.navigateTo({
					url: './confirmOrder?type=cart&confirmParam='+ encodeURIComponent(JSON.stringify(selectCarts))
				})
			},
			showProduct(item){
				uni.navigateTo({
					url: '../shopping/productDetails?productId='+item.productId
				})
			},
		}
	}
</script>

<style lang="scss">
	page {
		height: 100%;
	}
	.content{
		height: 100%;
		padding: 20upx;
		.shopbox {
			background: #FFFFFF;
			border-radius: 16rpx;
			margin-bottom: 20rpx;
		}
		.shopbox-name {
			padding: 30rpx 30rpx 0 30rpx;
			font-family: PingFang SC;
			font-weight: bold;
			font-size: 30rpx;
			color: #111;
			overflow: hidden;
			white-space: nowrap;
			text-overflow: ellipsis;
		}
		.goods-list{
			.item{
				box-sizing: border-box;
				height: 221upx;
				background: #FFFFFF;
				border-radius: 16upx;
				margin-bottom: 20upx;
				padding: 30upx;
				display: flex;
				align-items: center;
				&:last-child{
					margin-bottom: 0;
				}
				.goods-img{
					width: 160upx;
					height: 160upx;
					background: #FFFFFF;
					margin-right: 30upx;
					flex-shrink: 0;
				}
				.info-box{
					height: 160upx;
					display: flex;
					flex-direction: column;
					justify-content: space-between;
					width: calc(100% - 255upx);
					.title-box{
						width: 100%;
						display: flex;
						align-items: center;
						.tag{
							padding: 0 6upx;
							height: 30upx;
							line-height: 30upx;
							font-size: 22upx;
							font-family: PingFang SC;
							font-weight: bold;
							color: #FFFFFF;
							background: linear-gradient(90deg, #66b2ef 0%, #0bb3f2 100%);
							border-radius: 4upx;
							margin-right: 10upx;
							flex-shrink: 0;
						}
						.title{
							flex: 1;
							font-size: 28upx;
							font-family: PingFang SC;
							font-weight: 500;
							color: #111111;
							line-height: 1;
							display: block;
						}
					}
					.intro{
						font-size: 24upx;
						font-family: PingFang SC;
						font-weight: 500;
						color: #999999;
						margin-top: 22upx;
						line-height: 1;
					}
					.price-num{
						display: flex;
						align-items: center;
						justify-content: space-between;
						.price{
							display: flex;
							align-items: flex-end;
							.unit{
								font-size: 24upx;
								font-family: PingFang SC;
								font-weight: 500;
								color: #FF6633;
								line-height: 1.2;
								margin-right: 4upx;
							}
							.text{
								font-size: 32upx;
								font-family: PingFang SC;
								font-weight: bold;
								color: #FF6633;
								line-height: 1;
							}
						}
						.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;
							}
						}
					}
				}
			}
		}
		.like-product{
			padding-bottom: 120upx;
		}
		.btn-foot{
			box-sizing: border-box;
			width: 100%;
			height: 121upx;
			background: #FFFFFF;
			padding: 16upx 30upx 16upx 60upx;
			display: flex;
			align-items: center;
			justify-content: space-between;
			position: fixed;
			left: 0;
			bottom: 0;
			z-index: 99;
			.left{
				display: flex;
				align-items: center;
				.text{
					margin-left: 14upx;
					font-size: 28upx;
					font-family: PingFang SC;
					font-weight: 500;
					color: #666666;
					line-height: 1;
				}
			}
			.right{
				display: flex;
				align-items: center;
				.total{
					display: flex;
					align-items: flex-end;
					margin-right: 36upx;
					.label{
						font-size: 26upx;
						font-family: PingFang SC;
						font-weight: 500;
						color: #999999;
						line-height: 1.5;
					}
					.price{
						display: flex;
						align-items: flex-end;
						.unit{
							font-size: 32upx;
							font-family: PingFang SC;
							font-weight: bold;
							color: #FF6633;
							line-height: 1.2;
							margin-right: 10upx;
						}
						.num{
							font-size: 30upx;
							font-family: PingFang SC;
							font-weight: bold;
							color: #FF6633;
							line-height: 1;
						}
					}
				}
				.btn{
					width: 200upx;
					height: 88upx;
					line-height: 88upx;
					text-align: center;
					font-size: 30upx;
					font-family: PingFang SC;
					font-weight: bold;
					color: #FFFFFF;
					background: #0bb3f2;
					border-radius: 44upx;
				}
			}
		}
	}
</style>