feat: 订单商品明细显示颜色长度宽高度数量总面面积

src/pages/order/create.vue

@@ -47,7 +47,8 @@
       <view v-for="(item, index) in orderItems" :key="index" class="order-item">
         <view class="item-info">
           <text class="item-name">{{ item.productName }}</text>
-          <text class="item-spec">{{ item.spec || '-' }}</text>
+          <text class="item-spec" v-if="item.length && item.width">{{ item.spec || '-' }} {{ item.length }} x {{ item.width }} x {{ item.quantity }} = {{ (item.length * item.width * item.quantity / 1000000).toFixed(4) }} m²</text>
+          <text class="item-spec" v-else>{{ item.spec || '-' }}</text>
         </view>
         <view class="item-edit">
           <view class="quantity-edit">
@@ -335,6 +336,9 @@ export default {
         spec: product.spec,
         unit: product.unit,
         price: product.price,
+        length: product.length || '',
+        width: product.width || '',
+        area: product.area || '',
         quantity: 1
       })
       this.calcAmount()