cashier_admin_app/pagesOrder/tuikuan/tuikuan.vue

<template>
	<view class="min-page bg-gray u-p-30">
		<view class="bg-fff u-p-24 border-r-12 u-flex u-row-between">
			<view>全退</view>
			<view>
				<my-radio v-model="allTui"></my-radio>
			</view>
		</view>
		<view class="bg-fff  border-r-12  list u-m-t-32">
			<view class="u-flex u-row-between border-top item u-p-t-32 u-p-b-32"
				v-for="(item,index) in orderDetail.goodsList" :key="index">
				<view>
					<view>{{item.productName}}</view>
					<view class="u-m-t-10 color-999 u-font-24">{{item.productSkuName||""}}</view>
					<view class="u-m-t-10 color-999 u-font-24">最多可退×{{item.num}}</view>
				</view>
				<view class="u-flex">
					<view class="color-red">￥{{item.priceAmount}}</view>
					<view class="u-flex u-m-l-32 u-col-center">
						<up-icon @click="changeItem(item,-1)" :size="20" name="minus-circle"></up-icon>
						<view class="u-m-l-28 u-m-r-28">{{item.number}}</view>
						<up-icon @click="changeItem(item,1)" :color="color.ColorMain" :size="20"
							name="plus-circle-fill"></up-icon>
					</view>
				</view>
			</view>
		</view>
		<view class="bg-fff u-m-t-32 u-p-24 border-r-12 u-flex u-row-between">
			<view>支付金额</view>
			<view>
				{{to2(totalPrice)}}元
			</view>
		</view>
		<view class="bg-fff u-m-t-32 u-p-24 border-r-12 u-flex u-row-between">
			<view>退款金额</view>
			<view class="color-red">
				{{to2(tuikuanPrice)}}元
			</view>
		</view>
		<view class="bg-fff u-p-24 border-r-12  u-m-t-32">
			<view>退回优惠券</view>
			<view class="u-font-24 color-999 u-m-t-16">
				该订单未使用优惠券
			</view>
		</view>
		<view class="bg-fff u-p-24 border-r-12  u-m-t-32">
			<view>
				<text class="color-red">*</text>
				<text>退款原因</text>
			</view>
			<view class="u-m-t-24 u-flex u-flex-wrap gap-28">
				<view class="tag" @click="changeTuiKuanSel(index)" v-for="(item,index) in tuikuan.list" :key="index">
					{{item}}
				</view>
			</view>
			<view class="u-m-t-24">
				<up-textarea placeholder="选填" v-model="note"></up-textarea>
			</view>
		</view>

		<view style="height: 200rpx;"></view>
		<view class="fixed-b">
			<up-button text="确认退款" shape="circle" type="primary" size="large" :color="color.ColorMain"></up-button>
		</view>

	</view>
</template>

<script setup>
	import color from '@/commons/color.js';
	import * as orderApi from '@/http/yskApi/order.js'
	import {
		onLoad,
		onShow,
		onHide
	} from '@dcloudio/uni-app';
	import {
		computed,
		reactive,
		ref,
		watch
	} from 'vue';
	let allTui = ref(false)
	let note = ref('')
	const tuikuan = reactive({
		list: ['点错', '数量点错', '客人要求', '协商退费'],
		sel: 0
	})

	function changeTuiKuanSel(i) {
		tuikuan.sel = i
	}
	const orderDetail = reactive({
		goodsList: [],
		info: {},
		seatFee: {
			totalAmount: 0
		}
	})
	
	watch(()=>allTui.value,(newval)=>{
		orderDetail.goodsList.map(v=>{
			v.number=newval?v.num:0
		})
	})

	const totalPrice = computed(() => {
		return orderDetail.goodsList.reduce((prve, cur) => {
			return prve+cur.priceAmount*1
		}, 0)
	})
	const tuikuanPrice = computed(() => {
		return orderDetail.goodsList.reduce((prve, cur) => {
			return prve+cur.number*cur.price
		}, 0)
	})
	
	
	function to2(n){
		return Number(n).toFixed(2)
	}

	function changeItem(item, step) {
		console.log(item);
		let newval = item.number * 1 + step * 1
		if (newval <= 0) {
			newval = 0
		}
		if (newval >= item.num) {
			newval = item.num
		}
		item.number = newval
	}
	onLoad((opt) => {
		if (Array.isArray(opt)) {
			orderDetail.goodsList = opt
		} else {
			orderDetail.goodsList = [opt]
		}
		console.log(opt);
	})
</script>

<style lang="scss" scoped>
	.fixed-b {
		position: fixed;
		left: 110rpx;
		right: 110rpx;
		bottom: calc(env(safe-area-inset-bottom) + 32rpx);
		/* #ifdef H5 */
		bottom: 100rpx;
		/* #endif */
	}

	.gap-28 {
		gap: 28rpx;
		font-size: 24rpx;
	}

	.list {
		padding: 0 24rpx;
	}

	.list .item:first-child {
		border: none;
	}

	.tag {
		padding: 8rpx 16rpx 6rpx 16rpx;
		border: 1px solid #E5E5E5;
		border-radius: 4rpx;

		&.active {
			border-color: #E6F0FF;
			color: $my-main-color;
		}
	}
</style>