cashier_admin_app/pagesCreateOrder/index/components/car.vue

<template>
	<view class="mask" @tap="hideGoods" v-if="switchGoods"></view>
	<view class="car border-top u-flex u-row-between u-col-bottom u-relative">
		<view class="u-absolute goods bg-fff">
			<view
				class="u-p-t-32 color-666 border-bottom bg-fff u-absolute total u-p-r-28 u-p-b-32 u-p-l-28 u-flex u-row-between">
				<view>已添加{{goodsNumber}}件商品</view>
				<view class="color-666">
					<uni-icons color="#666" type="trash"></uni-icons>
					<text class="u-m-l-10" @tap="clear">清空</text>
				</view>
			</view>
			<scroll-view scroll-y="true" class="tranistion" :style="{height:switchGoods?'50vh':0 }">
				<!-- 占位 -->
				<view class="u-p-t-32 color-666 border-bottom u-p-r-28 u-p-b-32 u-p-l-28 u-flex u-row-between"
					style="opacity: 0;">
					<view>已添加{{goodsNumber}}件商品</view>
					<view class="color-666">
						<uni-icons color="#666" type="trash"></uni-icons>
						<text class="u-m-l-10">清空</text>
					</view>
				</view>
				<!-- 占位 -->
				<view class="color-333 item border-top u-flex u-row-center u-row-between" v-for="(item,index) in data"
					:key="index">
					<view class="">
						<view>{{item.name}}</view>
						<view class="u-m-t-10 u-font-24 color-666">{{item.specSnap||''}}</view>
					</view>
					<view class="u-flex">
						<view class="font-bold red u-m-r-32">￥{{formatPrice(item.salePrice*item.number) }}</view>
						<view class="u-flex" @tap="updateNumber(false,index,item)">
							<image src="/pagesCreateOrder/static/images/icon-reduce-black.svg" class="icon" mode="">
							</image>
						</view>
						<view class="u-m-l-30 u-m-r-30 color-333">
							{{item.number}}
						</view>
						<view class="u-flex" @tap="updateNumber(true,index,item)">
							<image src="/pagesCreateOrder/static/images/icon-add-black.svg" class="icon" mode="">
							</image>
						</view>

					</view>
				</view>
				<my-empty v-if="!data.length" text="暂未有添加商品"></my-empty>
			</scroll-view>

		</view>
		<view class="icon-car-box" @tap="toggleGoods">
			<image src="/pagesCreateOrder/static/images/icon-car.svg" class="icon-car" />
			<view class="dot">{{goodsNumber}}</view>
		</view>
		<view class="price font-bold u-flex">
			<view>￥</view>
			<view>{{allPrice}}</view>
		</view>
		<my-button shape="circle" height="80" width="220" @tap="toConfimOrder">去下单</my-button>

	</view>
</template>

<script setup>
	import go from '@/commons/utils/go.js';
	import infoBox from '@/commons/utils/infoBox.js';
	import {formatPrice} from '@/commons/utils/format.js';
	
	import {
		computed,
		ref
	} from 'vue';
	const props = defineProps({
		data: {
			type: Array,
			default: () => {
				return []
			}
		},
		user:{
			type: Object,
			default: () => {
				return {
					id: ""
				}
			}
		},
		table:{
			type: Object,
			default: () => {
				return {
					tableId:''
				}
			}
		},
		masterId:{
			type: [String,Number],
			default:''
		}
	})
	
	const edmits = defineEmits(['clear', 'updateNumber'])

	// mask
	let switchGoods = ref(false)

	function hideGoods() {
		switchGoods.value = false
	}

	function showGoods() {
		switchGoods.value = true
	}

	function toggleGoods() {
		switchGoods.value = !switchGoods.value
	}

	function toConfimOrder() {
		console.log(props.user);
		if(props.data.length<=0){
			return infoBox.showToast('还没有选择商品')
		}
		go.to('PAGES_CONFIRM_ORDER',{
			...props.user,
			masterId:props.masterId,
			...props.table,
		})
	}

	const allPrice = computed(() => {
		return props.data.reduce((prve,cur)=>{
			return prve+cur.salePrice*cur.number
		},0).toFixed(2)
	})

	const goodsNumber = computed(() => {
		let result = 0
		result = props.data.reduce((prve, cur) => {
			return prve + cur.number
		}, 0)
		return result >= 99 ? 99 : result
	})

	function updateNumber(isAdd, index, goods) {
		const step = isAdd ? 1 : -1
		const newval = goods.number + step
		const par = {
			num: newval,
			index: index,
			goods: goods
		}
		edmits('updateNumber', par)
	}

	function clear() {
		uni.showModal({
			title: '提示',
			content: '是否清空全部已添加的商品?',
			success(res) {
				if (res.confirm) {
					edmits('clear')
					hideGoods()
				}
			}
		})
	}

	import myButton from '@/components/my-components/my-button.vue'
</script>

<style lang="scss" scoped>
	$car-size: 96rpx;
	$car-top: -16rpx;

	@mixin fixedAll {
		position: fixed;
		left: 0;
		right: 0;
		top: 0;
		bottom: 0;
	}

	.total {
		left: 0;
		right: 0;
		top: 0;
		z-index: 1;
	}

	.icon {
		width: 40rpx;
		height: 40rpx
	}

	.mask {
		@include fixedAll;
		background: rgba(51, 51, 51, 0.5);
	}



	.goods {
		position: absolute;
		bottom: 100%;
		left: 0;
		right: 0;
		transition: all .2s ease-in-out;
		overflow: hidden;

		.item {
			padding: 32rpx 28rpx;
		}
	}

	.border-bottom {
		border-bottom: 1px solid #E5E5E5;
	}

	.border-top {
		border-top: 1px solid #E5E5E5;
	}

	.red {
		color: #EB4F4F;
	}

	.car {
		padding: 0 28rpx;
		position: relative;
		left: 0;
		right: 0;
		background-color: #fff;
		padding-top: 10rpx;
		bottom: 0;
		padding-bottom: calc(1px + env(safe-area-inset-bottom));
		/* #ifdef H5 */
		padding-bottom: 68rpx;

		/* #endif */
		.icon-car-box {
			position: absolute;
			left: 28rpx;
			top: $car-top;
			display: flex;
			width: $car-size;
			height: $car-size;
			justify-content: center;
			align-items: center;
			z-index: 2;
			.dot {
				position: absolute;
				right: 0;
				top: 0;
				width: 28rpx;
				height: 28rpx;
				background: #EB4F4F;
				border-radius: 50%;
				display: flex;
				justify-content: center;
				align-items: center;
				font-size: 20rpx;
				font-weight: bold;
				color: #FFFFFF;
			}
		}

		.price {
			color: #EB4F4F;
			margin-left: calc(38rpx + $car-size);
			transform: translateY(calc($car-top / 2));
		}

		.icon-car {
			width: $car-size;
			height: $car-size;
		}
	}
</style>