订单结算修改，增加限时折扣

pages/user/coupon.vue

@@ -1,6 +1,9 @@
 <template>
 	<view class="container">
 		<view class="header-wrap">
+			<view class="u-flex" style="justify-content: flex-end;">
+				<view @click="toExchangeCode" class="color-333 font-12 u-m-b-26 font-700">优惠券兑换码</view>
+			</view>
 			<view class="search-wrap">
 				<view class="input-wrap">
 					<view class="icon left">
@@ -137,7 +140,11 @@ onReachBottom(() => {
 		getCouponList();
 	}
 });
-
+function toExchangeCode(){
+	uni.navigateTo({
+		url: '/user/exchange/index'
+	})
+}
 const showDetail = ref(false);
 const selectListItem = ref('');
 const selectListItemDetails = ref([]);