增加订单列表优惠券抵扣商品划线，优化价格长度计算

pagesOrder/index/compoents/order-item.vue

@@ -40,7 +40,7 @@
 							</view>
 							<view class="u-flex u-flex-1 u-row-right">
 								<view>×{{item.num}}</view>
-								<template v-if="item.gift">
+								<template v-if="item.gift||item.userCouponId">
 									<view class="u-text-right u-relative" :style="computedPriceStyle()">
 										<text class="line-th">￥{{goodsPriceAmount(item)}}</text>
 										<view class="u-absolute" style="bottom: 100%;right: 0;">
@@ -155,9 +155,12 @@
 	let goodsNumber = ref(0)
 
 	const priceSize = 9
-
+	let minWidth=ref(36)
 	function goodsPriceAmount(item) {
-		return (item.price * item.num).toFixed(2)
+		const total=(item.price * item.num).toFixed(2)
+		const minW=total.length * priceSize + 15
+		minWidth.value=minW<minWidth.value?minWidth.value:minW
+		return total
 	}
 
 	function goodsVipPriceAmount(item) {
@@ -170,14 +173,8 @@
 	// 	},0).toFixed(2)
 	// })
 	function computedPriceStyle() {
-		const item = props.data.detailList.reduce((prev, current) => (`${prev.price}`.length > `${current.price}`
-			.length) ? prev : current)
-		if (!item) {
-			return ''
-		}
-		const minW = `${item.price}`.length * priceSize + 15
 		return {
-			'min-width': (minW < 36 ? 36 : minW) + 'px'
+			'min-width':minWidth.value + 'px'
 		}
 	}
 	// const computedPriceStyle = computed(() => {