修改缺少字段

pages/checkout/index.vue

@@ -214,7 +214,8 @@ const fetchOrderDetail = async () => {
     orderInfo.value.couponId = raw?.couponId ?? null;
     orderInfo.value.couponName = raw?.couponName ?? '';
     orderInfo.value.couponType = raw?.couponType ?? null;
-    orderInfo.value.discountRate = raw?.discountRate ?? null;
+    const rawRate = raw?.discountRate;
+    orderInfo.value.discountRate = rawRate != null && rawRate !== '' ? (Number(rawRate) || 0) / 10 : null;
     orderInfo.value.nominalValue = raw?.nominalValue ?? null;
     orderInfo.value.discountAmount = Number(raw?.discountAmount ?? raw?.couponAmount ?? raw?.couponDiscount ?? 0) || 0;
     orderInfo.value.payAmount = Number(raw?.payAmount ?? raw?.totalAmount ?? raw?.totalPrice ?? 0) || 0;

pages/orderInfo/orderDetail.vue

@@ -50,9 +50,18 @@
           <view class="info-item-label">餐具费</view>
           <view class="info-item-value">¥{{ priceDetail.tablewareFee }}</view>
         </view>
-        <view class="info-item">
+        <view class="info-item info-item--coupon">
           <view class="info-item-label">优惠券</view>
-          <view class="info-item-value">¥{{ priceDetail.couponDiscount }}</view>
+          <view class="info-item-value coupon-value">
+            <text v-if="priceDetail.discountRate != null && priceDetail.discountRate !== ''" class="coupon-amount">{{ priceDetail.discountRate }}折</text>
+            <text v-else class="coupon-placeholder">—</text>
+          </view>
+        </view>
+        <view v-if="(priceDetail.discountAmount ?? 0) > 0" class="info-item info-item--coupon">
+          <view class="info-item-label">优惠金额</view>
+          <view class="info-item-value coupon-value">
+            <text class="coupon-amount">-¥{{ formatPrice(priceDetail.discountAmount) }}</text>
+          </view>
         </view>
         <view class="price-line">
           <view class="price-line-label">合计</view>
@@ -78,7 +87,7 @@
         </view>
         <view class="info-item">
           <view class="info-item-label">用餐人数</view>
-          <view class="info-item-value">{{ orderDetail.dinerCount ?? '—' }}</view>
+          <view class="info-item-value">{{ orderDetail.dinerCount != null && orderDetail.dinerCount !== '' ? orderDetail.dinerCount + '人' : '—' }}</view>
         </view>
         <view class="info-item">
           <view class="info-item-label">下单时间</view>
@@ -133,9 +142,31 @@ const priceDetail = ref({
   dishTotal: '0.00',
   tablewareFee: '0.00',
   couponDiscount: '0.00',
+  discountAmount: 0,
+  couponName: '',
+  couponType: null,
+  nominalValue: null,
+  discountRate: null,
   total: '0.00'
 });
 
+// 优惠券展示：满减券显示 nominalValue+元，折扣券显示 discountRate+折，否则显示 couponName 或 已使用优惠券（与 checkout 一致）
+const couponDisplayText = computed(() => {
+  const p = priceDetail.value;
+  const amount = Number(p.discountAmount ?? p.couponDiscount ?? 0) || 0;
+  if (amount <= 0) return '—';
+  const type = Number(p.couponType);
+  if (type === 1 && (p.nominalValue != null && p.nominalValue !== '')) {
+    const val = Number(p.nominalValue);
+    return Number.isNaN(val) ? (p.couponName || '已使用优惠券') : val + '元';
+  }
+  if (type === 2 && (p.discountRate != null && p.discountRate !== '')) {
+    const rate = Number(p.discountRate);
+    return Number.isNaN(rate) ? (p.couponName || '已使用优惠券') : rate + '折';
+  }
+  return p.couponName || '已使用优惠券';
+});
+
 // 菜品列表（接口订单明细）
 const foodList = ref([]);
 
@@ -209,11 +240,19 @@ function applyOrderData(data) {
   const dishTotal = raw?.totalAmount ?? raw?.dishTotal ?? raw?.orderAmount ?? raw?.foodAmount ?? 0;
   const tablewareFee = raw?.tablewareFee ?? raw?.tablewareAmount ?? 0;
   const couponDiscount = raw?.couponAmount ?? raw?.couponDiscount ?? 0;
+  const discountAmountVal = Number(raw?.discountAmount ?? raw?.couponAmount ?? raw?.couponDiscount ?? 0) || 0;
   const total = raw?.payAmount ?? raw?.totalAmount ?? raw?.totalPrice ?? 0;
+  const rawDiscountRate = raw?.discountRate ?? raw?.couponInfo?.discountRate ?? raw?.coupon?.discountRate;
+  const discountRateVal = rawDiscountRate != null && rawDiscountRate !== '' ? (Number(rawDiscountRate) || 0) / 10 : null;
   priceDetail.value = {
     dishTotal: formatPrice(dishTotal),
     tablewareFee: formatPrice(tablewareFee),
     couponDiscount: formatPrice(couponDiscount),
+    discountAmount: discountAmountVal,
+    couponName: raw?.couponName ?? '',
+    couponType: raw?.couponType ?? null,
+    nominalValue: raw?.nominalValue ?? null,
+    discountRate: discountRateVal,
     total: formatPrice(total)
   };
   const list = raw?.orderItemList ?? raw?.orderItems ?? raw?.items ?? raw?.detailList ?? [];
@@ -325,6 +364,18 @@ onLoad(async (e) => {
     .info-item-value {
       color: #151515;
     }
+
+    &--coupon .coupon-value {
+      display: flex;
+      align-items: center;
+      gap: 8rpx;
+    }
+    .coupon-amount {
+      color: #E61F19;
+    }
+    .coupon-placeholder {
+      color: #999999;
+    }
   }
 
   .info-item-textarea {