feat: 足额免配送费

yshop-drink-uniapp-vue3/pages/components/pages/pay/pay.vue

@@ -163,7 +163,7 @@ const amount = computed(() =>{
 })
 
 // 选地址/切换外卖后预估配送费(基于收货地址距离匹配配送规则)
-watch([address, store, orderType], async () => {
+watch([address, store, orderType, total], async () => {
 	if (orderType.value !== 'takeout' || !store.value.id) {
 		deliveryFee.value = 0
 		outOfRange.value = false
@@ -183,7 +183,8 @@ watch([address, store, orderType], async () => {
 		const res = await getDeliveryFee({
 			shopId: store.value.id,
 			lng: address.value.longitude,
-			lat: address.value.latitude
+			lat: address.value.latitude,
+			amount: total.value.toFixed(2)
 		})
 		outOfRange.value = !!res.outOfRange
 		deliveryFee.value = parseFloat(res.deliveryPrice) || 0