zh_order_food_xcx/pages-takeout/shop-mod/menu.vue

<template>
	<view class="menu-box display-flex">
		<scroll-view scroll-y="true" class="menu-box-left" :scroll-into-view="idMark" :scroll-with-animation='true'>
			<view class="menu-type-list-f">
				<view class="menu-type-list fs-26 box-border-box align-items-center flex-justify-center"
					v-for="(item,i) in typeList" :key="i" @click="selectType(item)"
					:class="type ===  item.type?'bgc-f fc-3 fw-600':'fc-6 fw-400'" :id="'scroll'+ item.type">
					{{item.name}}
					<view class="menu-type-num fc-f" v-show="item.num > 0">{{item.num > 99?'99+':item.num}}</view>
				</view>
			</view>
		</scroll-view>

		<scroll-view :scroll-y="true" :scroll-with-animation='true' :scroll-into-view="idMark" @scroll="menuScroll">
			<view class="menu-box-right">
				<view class="menu-box-only" v-for="(item,i) in menuList" :key="i" :id="'scroll'+ item.type">
					<view class="mb-32 fs-32">{{item.name}}</view>
					<view class="menu-list flex-justify-space" v-for="(info,k) in item.list" :key="k">
						<image class="flex-shrink0" src="@/static/img/my/bg.png" mode="scaleToFill"></image>
						<view class="menu-list-right">
							<view class="mb-4 goods-name text-overflow-ellipsis fs-34 fw-600">[畅销款]奥尔1良烤肉 牛油拌饭[畅销款]奥尔1良烤肉
								牛油拌饭[畅销款]奥尔1良烤肉 牛油拌饭[畅销款]奥尔1良烤肉 牛油拌饭</view>
							<view class="mb-20 fw-400 fc-9 fs-24">月销196</view>
							<view class="flex-justify-space align-items-flex-end">
								<view class="">
									<span class="fs-24 fw-400 fc-FB3D03">￥</span>
									<span class="fs-40 fw-b fc-FB3D03">3.9</span>
									<span class="fs-24 fc-9 fw-400 text-line-through">￥12</span>
								</view>
								<view class="display-flex align-items-center" v-if="info.spec != 1">
									<view v-show="info.num > 0"
										class="right-only-right-red fw-500 text-align-center fs-36 fc-f"
										@click="addred(1,i,k,item)">-</view>
									<view v-show="info.num > 0"
										class="right-only-right-2 text-align-center fs-28 fw-400">{{info.num}}</view>
									<view class="right-only-right-add fw-500 text-align-center fs-36 fc-f"
										@click="addred(2,i,k,item)">+</view>
								</view>
								<view v-else class="right-only-right text-align-center fw-600 fs-28 fc-f"
									@click="addred(3,i,k,item)">选规格</view>
							</view>
						</view>
					</view>
				</view>
			</view>
		</scroll-view>



		<uni-popup ref="popupGG" type="bottom">
			<view class="gg-box  flex-index-css">
				<view class="flex-justify-space  box-border-box p-32">
					<view class="fs-32 fw-500 fc-0">商品详情规格</view>
					<view class="" @click="addred(4)">
						<uni-icons type="closeempty" size="20"></uni-icons>
					</view>
				</view>
				<view class="goods-info flex-justify-space mb-32 box-border-box plr-32">
					<image src="@/static/img/my/bg.png" mode="scaleToFill"></image>
					<view class="flex-1">
						<view style="width: 446rpx;" class="fw-600 fs-34 text-overflow-ellipsis-one">[畅销款]奥尔1良烤肉牛油拌饭
						</view>
						<view class="fw-400 fc-9 fs-24">月销196</view>
					</view>
				</view>

				<view class="scroll-view-css box-border-box plr-32">
					<view class="" v-for="(item,i) in popData.specList" :key="i">
						<view class="fs-32 fw-500 fc-0 mb-32">{{item.specName}}</view>
						<view class="flex-wrap-wrap">
							<view class="spec-item text-align-center fs-28" :class="info.isSelect?'s-item':'n-item'"
								v-for="(info,k) in item.list" :key="k" @click="select(i,k,item,info)">
								{{info.name}}
							</view>
						</view>

					</view>
				</view>

				<view class="pop-buttom box-border-box plr-32">
					<view class="flex-justify-space mb-28">
						<view class="pop-buttom-left">
							<view class="">
								<span class="fw-600 fs-32 fc-ED301D">￥</span>
								<span class="fw-600 fs-48 fc-ED301D">19.26</span>
							</view>
							<view class="">
								<span class="fw-400 fs-24 fc-9">已选规格：</span>
								<span class="fw-400 fs-24">不辣</span>
							</view>
						</view>
						<view class="display-flex align-items-center">
							<view class="right-only-right-red fw-500 text-align-center fs-36 fc-f">-</view>
							<view class="right-only-right-2 text-align-center fs-28 fw-400">1</view>
							<view class="right-only-right-add fw-500 text-align-center fs-36 fc-f">+</view>
						</view>
					</view>
					<view class="pop-buttom-2  text-align-center fs-32 fw-600 fc-f">选好了</view>
				</view>
			</view>
		</uni-popup>
	</view>
</template>

<script>
	import tools from "@/service/tools";
	export default {
		name: 'menu-box',
		data() {
			return {
				idMark: '', //滚动自适应参数

				type: 1, //分类标识
				typeList: [],

				menuList: [],

				popData: {
					spec_name: '',
					spec_ids: '',
					spec_list: [],
					specList: [{
							specName: '口味',
							specType: 1,
							list: [{
								name: '辣1',
								id: 1,
								isSelect: false
							}, {
								name: '辣2',
								id: 2,
								isSelect: false
							}, {
								name: '辣3',
								id: 3,
								isSelect: false
							}, {
								name: '辣4',
								id: 4,
								isSelect: false
							}, ]
						},
						{
							specName: '大小',
							specType: 2,
							list: [{
								name: '大1',
								id: 5,
								isSelect: false
							}, {
								name: '大2',
								id: 6,
								isSelect: false
							}, {
								name: '大3',
								id: 7,
								isSelect: false
							}, {
								name: '大4',
								id: 8,
								isSelect: false
							}, ]
						},
						{
							specName: '加料',
							specType: 3,
							list: [{
								name: '加1',
								id: 9,
								isSelect: false
							}, {
								name: '加2',
								id: 10,
								isSelect: false
							}, {
								name: '加3',
								id: 11,
								isSelect: false
							}, {
								name: '加4',
								id: 12,
								isSelect: false
							}, ]
						},
					]
				},
			}
		},
		mounted() {
			this.getTypeList();
		},
		methods: {
			getTypeList() {
				this.typeList = [{
						"category_id": 1,
						"name": "爆品推荐",
						"type": 1,
					},
					{
						"category_id": 2,
						"name": "必点口味",
						"type": 2
					},
				]
				this.type = this.typeList[0].type;
				this.idMark = 'scroll' + this.type;
				this.typeList.forEach((v) => {
					v.num = 0
				})

				this.menuList = [{
						name: '分类1',
						type: 1,
						list: [{
							name: 1,
							num: 0,
							spec: 1
						}, {
							name: 2,
							num: 0
						}, {
							name: 3,
							num: 0
						}, {
							name: 4,
							num: 0
						}, ]
					},
					{
						name: '分类2',
						type: 2,
						list: [{
							name: 1,
							num: 0
						}, {
							name: 2,
							num: 0,
							spec: 1
						}, {
							name: 3,
							num: 0
						}, {
							name: 4,
							num: 0
						}, ]
					},
				]
			},

			selectType(item) {
				if (this.type != item.type) {
					this.type = item.type;
					this.idMark = 'scroll' + item.type
				}
			},
			menuScroll() {
				let _this = this;
				let query = uni.createSelectorQuery().in(this);
				query.selectAll(".menu-box-only").boundingClientRect(data => {
					data.forEach((v) => {
						if (v.top < 329 && v.top > 0) {
							_this.idMark = v.id;
							let arr = v.id.split('scroll');
							_this.type = Number(arr[1]);
						}
					})
				}).exec();
			},
			addred(type, i, k, item) {
				if (type === 1) {
					// 减
					this.menuList[i].list[k].num -= 1;
					this.setSub(item);
				} else if (type === 2) {
					// 加
					this.menuList[i].list[k].num += 1;
					this.setSub(item);
				} else if (type === 3) {
					// 选规格
					this.$refs.popupGG.open();
				} else {
					this.$refs.popupGG.close();
				}
			},
			setSub(item) {
				let num = 0;
				item.list.forEach((n) => {
					num += n.num
				})
				this.typeList.forEach((v) => {
					if (v.type == item.type) {
						v.num = num
					}
				})
			},

			// -------弹窗选择规格-----------
			select(i, k, item, info) {
				if (!info.isSelect) {
					item.list.forEach((v) => {
						v.isSelect = false;
					})
					info.isSelect = true;

					item.list.forEach(v => {
						this.popData.spec_list.forEach((n, i) => {
							if (v.id == n) {
								this.popData.spec_list.splice(i, 1)
							}
						})
					})
					this.popData.spec_list.push(info.id);
				} else {
					info.isSelect = false;
					let index = this.popData.spec_list.indexOf(info.id)
					this.popData.spec_list.splice(index, 1)
				}
				this.spec_ids = this.popData.spec_list.join('_')

			},
		},
	}
</script>

<style scoped lang="scss">
	.menu-box {
		height: 100%;

		.menu-box-left {
			width: 160rpx;
			height: 100%;
			background-color: #F7F8FA;
			// border-radius: 0rpx 20rpx 0 0rpx;

			.menu-type-list-f {
				width: 160rpx;
				height: 100%;

				.menu-type-list {
					width: 160rpx;
					min-height: 108rpx;
					padding: 18rpx 28rpx;
					position: relative;

					.menu-type-num {
						position: absolute;
						top: 2rpx;
						right: 8rpx;
						padding: 0 6rpx;
						min-width: 20rpx;
						height: 32rpx;
						text-align: center;
						line-height: 32rpx;
						background: #FB3D03;
						border-radius: 50%;
					}
				}
			}
		}

		.menu-box-right {
			// flex: 1;
			width: 100%;
			height: 100%;
			padding: 16rpx;
			box-sizing: border-box;

			.menu-list {
				width: 100%;
				// height: 200rpx;
				margin-bottom: 40rpx;

				image {
					width: 200rpx;
					height: 200rpx;
					border-radius: 12rpx;
					margin-right: 16rpx;
				}

				.menu-list-right {
					flex: 1;

					.right-only-right {
						width: 100rpx;
						height: 44rpx;
						background: linear-gradient(117deg, #57CAFF 0%, #41ABF5 100%);
						border-radius: 12rpx;
						line-height: 44rpx;
					}

					.right-only-right-red {
						width: 44rpx;
						height: 44rpx;
						line-height: 40rpx;
						border-radius: 12rpx;
						border: 1rpx solid #41ABF5;
						color: #41ABF5;
					}

					.right-only-right-add {
						width: 44rpx;
						height: 44rpx;
						line-height: 40rpx;
						background: linear-gradient(117deg, #57CAFF 0%, #41ABF5 100%);
						border-radius: 12rpx;
					}

					.right-only-right-2 {
						min-width: 50rpx;
					}
				}
			}
		}

		.gg-box {
			width: 750rpx;
			height: 1208rpx;
			background: #FFFFFF;
			border-radius: 24rpx 24rpx 0rpx 0rpx;

			.goods-info {
				border-bottom: 1rpx solid #EEEEEE;

				image {
					width: 170rpx;
					height: 160rpx;
					border-radius: 8rpx;
					margin-right: 22rpx;
					margin-bottom: 32rpx;
				}
			}

			.pop-buttom {
				width: 100%;
				height: 250rpx;
				box-shadow: 0rpx 0rpx 20rpx 0rpx rgba(51, 51, 51, 0.1);

				.pop-buttom-left {
					padding-top: 12rpx;
				}

				.pop-buttom-2 {
					width: 100%;
					height: 96rpx;
					line-height: 96rpx;
					background: #41ABF5;
					border-radius: 200rpx
				}

				.right-only-right-red {
					width: 44rpx;
					height: 44rpx;
					line-height: 40rpx;
					border-radius: 12rpx;
					border: 1rpx solid #41ABF5;
					color: #41ABF5;
				}

				.right-only-right-add {
					width: 44rpx;
					height: 44rpx;
					line-height: 40rpx;
					background: linear-gradient(117deg, #57CAFF 0%, #41ABF5 100%);
					border-radius: 12rpx;
				}

				.right-only-right-2 {
					min-width: 50rpx;
				}
			}

			.spec-item {
				width: 210rpx;
				height: 66rpx;
				line-height: 66rpx;
				box-sizing: border-box;
				border-radius: 12rpx;
				margin: 0 26rpx 26rpx 0;
			}

			.spec-item:nth-child(3) {
				margin-right: 0rpx !important;
			}

			.s-item {
				background-color: #ECF7FE;
				border: 2rpx solid #41ABF5;
				color: #41ABF5;
			}

			.n-item {
				border: 2rpx solid #EEEEEE;
				color: #000;
			}
		}
	}
	.goods-name{
		max-width: 310rpx;
	}
</style>