From 05d46ed2f11dc1c9d2ca2872f9e930e560aff29f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E6=98=8A=E5=A4=A9?= <442384644@qq.com>
Date: Fri, 23 Oct 2026 14:09:28 +0800
Subject: [PATCH] =?UTF-8?q?fix(=E8=99=9A=E6=8B=9F=E5=95=86=E5=93=81):=20?=
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- 商品详情接口的 cate_id / label_id 由 explode 后仍为字符串数组，
  而后台分类级联选择的 value 是数字，导致编辑页分类、标签回显为空。
  统一 array_map('intval') 处理，与 label_list / protection_list 口径一致。
- 后台网盘商品编辑页兼容后端返回数组或逗号字符串两种格式，
  并过滤非正数与 NaN 值，避免提交空节点。
---
 backend/modules/product/virtual/service/ProductServices.php | 5 +++--
 frontend/admin/src/pages/plugin/virtual/product/Add.vue     | 6 ++++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/backend/modules/product/virtual/service/ProductServices.php b/backend/modules/product/virtual/service/ProductServices.php
index 34d9220f2..9d9da690d 100644
--- a/backend/modules/product/virtual/service/ProductServices.php
+++ b/backend/modules/product/virtual/service/ProductServices.php
@@ -131,8 +131,9 @@ class ProductServices
         // ============ 列表/JSON字段 ============
         $product['logistics'] = !empty($product['logistics']) ? explode(',', $product['logistics']) : [];
         $product['recommend_list'] = !empty($product['recommend_list']) ? explode(',', (string)$product['recommend_list']) : [];
-        $product['cate_id'] = !empty($product['cate_id']) ? explode(',', (string)$product['cate_id']) : [];
-        $product['label_id'] = !empty($product['label_id']) ? explode(',', (string)$product['label_id']) : [];
+        // 分类/标签 ID 统一转 int：分类级联选项的 value 是数字，返回字符串会导致编辑页无法回显
+        $product['cate_id'] = !empty($product['cate_id']) ? array_map('intval', explode(',', (string)$product['cate_id'])) : [];
+        $product['label_id'] = !empty($product['label_id']) ? array_map('intval', explode(',', (string)$product['label_id'])) : [];
         $product['label_list'] = !empty($product['label_list']) ? array_map('intval', explode(',', (string)$product['label_list'])) : [];
         $product['protection_list'] = !empty($product['protection_list']) ? array_map('intval', explode(',', (string)$product['protection_list'])) : [];
         $product['params_list'] = !empty($product['params_list']) ? json_decode($product['params_list'], true) : [];
diff --git a/frontend/admin/src/pages/plugin/virtual/product/Add.vue b/frontend/admin/src/pages/plugin/virtual/product/Add.vue
index aacf3454d..d5f2c14fc 100644
--- a/frontend/admin/src/pages/plugin/virtual/product/Add.vue
+++ b/frontend/admin/src/pages/plugin/virtual/product/Add.vue
@@ -511,8 +511,10 @@ async function loadProduct() {
       formValidate.value.slider_image = images;
       formValidate.value.image = images[0] || '';
     }
-    const cate = data.cate_id || [];
-    formValidate.value.cate_id = Array.isArray(cate) ? cate : [cate];
+    // 分类回显：级联选项的 value 是数字，字符串 ID 无法命中节点，这里统一转成数字
+    const cate = data.cate_id;
+    const cateArr = Array.isArray(cate) ? cate : cate ? String(cate).split(',') : [];
+    formValidate.value.cate_id = cateArr.map((v) => Number(v)).filter((v) => !Number.isNaN(v) && v > 0);
     // 规格回显（优先使用 attr/attrs 中的数据）
     if (data.attr && typeof data.attr === 'object') {
       oneFormValidate.value[0].price = parseFloat(data.attr.price) || 0;