修改规格选择弹窗：将按钮移到底部并添加确认提示

pages/goods-update/goods-update.js

@@ -1771,7 +1771,15 @@ Page({
       return;
     }
     
-    const goodsDetail = this.data.goodsDetail;
+    // 显示确认提示，防止误点
+    wx.showModal({
+      title: '确认下架',
+      content: `确定要下架选中的${selectedIndices.length}个规格吗？`,
+      confirmText: '确定',
+      cancelText: '取消',
+      success: (res) => {
+        if (res.confirm) {
+          const goodsDetail = this.data.goodsDetail;
     const productId = goodsDetail.productId || goodsDetail.id;
     const weightQuantityData = goodsDetail.weightQuantityData || [];
     
@@ -1906,6 +1914,9 @@ Page({
           duration: 2000
         });
       });
+        }
+      }
+    });
   },
   
   // 编辑输入处理

pages/goods-update/goods-update.wxml

@@ -504,12 +504,6 @@
   <!-- 规格选择弹窗 - 用于下架单个规格 -->
   <view class="custom-select-modal" wx:if="{{showSpecUnpublishModal}}" style="position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); display: flex; justify-content: center; align-items: center; z-index: 9999;" catchtouchmove="true">
     <view style="position: relative; background: white; border-radius: 20rpx; max-height: 80vh; width: 80%; max-width: 600rpx; overflow: hidden;">
-      <!-- 顶部操作栏：取消和确定按钮 -->
-      <view style="padding: 20rpx; display: flex; justify-content: space-between; align-items: center; border-bottom: 1rpx solid #eee;">
-        <view bindtap="closeSpecUnpublishModal" style="font-size: 32rpx; color: #333; padding: 10rpx 20rpx;">取消</view>
-        <view bindtap="confirmSpecUnpublish" style="font-size: 32rpx; color: #07c160; padding: 10rpx 20rpx;">确定</view>
-      </view>
-      
       <view style="padding: 20rpx; font-size: 28rpx; color: #333; text-align: center; border-bottom: 1rpx solid #eee;">
         请选择要下架的规格
       </view>
@@ -546,6 +540,12 @@
           </view>
         </view>
       </scroll-view>
+      
+      <!-- 底部操作栏：取消和确定按钮 -->
+      <view style="padding: 20rpx; display: flex; justify-content: space-between; align-items: center; border-top: 1rpx solid #eee;">
+        <view bindtap="closeSpecUnpublishModal" style="font-size: 32rpx; color: #333; padding: 10rpx 20rpx;">取消</view>
+        <view bindtap="confirmSpecUnpublish" style="font-size: 32rpx; color: #07c160; padding: 10rpx 20rpx;">确定</view>
+      </view>
     </view>
   </view>
 </view>