fix(uniapp): 外卖订单默认地址

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

@@ -76,6 +76,7 @@ import {
   couponCount
 } from '@/api/coupon'
 import { getDeliveryFee } from '@/api/goods'
+import { addressAll } from '@/api/address'
 // #ifdef H5
 import * as jweixin from 'weixin-js-sdk'
 // #endif
@@ -215,6 +216,7 @@ onShow(() => {
 	
 	if(orderType.value == 'takeout'){
 		active.value = true
+		fillDefaultAddress()
 	}else{
 		active.value = false
 	}
@@ -236,6 +238,20 @@ onLoad((option) => {
 	}
 })
 
+// 外卖且未选手动地址时，自动填入默认地址（无默认则取列表第一项）
+const fillDefaultAddress = async () => {
+	if (orderType.value !== 'takeout') return
+	if (address.value?.id) return
+	if (!isLogin.value) return
+	const list = await addressAll()
+	if (!list || !list.length) return
+	main.SET_ADDRESSES(list)
+	const preferred = list.find(item => Number(item.isDefault) === 1) || list[0]
+	if (preferred) {
+		main.SET_ADDRESS(preferred)
+	}
+}
+
 const getSubscribeMss = async() => {
 	 let data = []
 	if (data) {