feat(shop): product editor SKU variants UI

Wire ProductEditorDrawer to existing /shop/products/{id}/variants REST
for list/save. Support attribute text parsing, batch replace save, and
optional save-variants-only. Align save endpoint JSON body parsing with
controller helper.

assets/admin/src/pages/shop/components/ProductEditorDrawer.vue

@@ -1,5 +1,5 @@
 <template>
-  <n-drawer :show="show" :width="560" @update:show="$emit('update:show', $event)">
+  <n-drawer :show="show" :width="720" @update:show="$emit('update:show', $event)">
     <n-drawer-content :title="isEdit ? '编辑商品' : '新增商品'" closable>
       <n-form ref="formRef" :model="form" :rules="rules" label-placement="top">
         <!-- 基础信息 -->
@@ -110,6 +110,51 @@
         <n-form-item label="状态" path="status">
           <n-select v-model:value="form.status" :options="statusOptions" />
         </n-form-item>
+
+        <!-- SKU / 变体（编辑已有商品时可用；新建时先创建再编辑变体） -->
+        <n-divider title-placement="left">SKU 变体</n-divider>
+        <n-alert v-if="!isEdit" type="info" :bordered="false" style="margin-bottom:12px;">
+          新建商品请先保存，再编辑时配置 SKU 变体。
+        </n-alert>
+        <template v-else>
+          <n-space style="margin-bottom:12px;">
+            <n-button size="small" @click="addVariantRow">
+              <template #icon><i class="fas fa-plus" /></template>
+              添加变体
+            </n-button>
+            <n-button size="small" type="primary" ghost :loading="savingVariants" @click="saveVariantsOnly">
+              仅保存变体
+            </n-button>
+            <n-text depth="3" style="font-size:12px;">属性格式：名称:值，多项用分号分隔，如 颜色:红;尺寸:L</n-text>
+          </n-space>
+          <n-spin :show="loadingVariants">
+            <n-empty v-if="!variants.length" description="暂无变体，点击「添加变体」" style="margin:12px 0;" />
+            <div v-for="(row, index) in variants" :key="row._key || row.id || index" class="aksrt-variant-row">
+              <n-grid :cols="24" :x-gap="8" :y-gap="8">
+                <n-gi :span="6">
+                  <n-input v-model:value="row.sku" placeholder="SKU" size="small" />
+                </n-gi>
+                <n-gi :span="8">
+                  <n-input v-model:value="row.attrsText" placeholder="颜色:红;尺寸:L" size="small" />
+                </n-gi>
+                <n-gi :span="4">
+                  <n-input-number v-model:value="row.price" :min="0" :precision="2" size="small" style="width:100%;" placeholder="价格" />
+                </n-gi>
+                <n-gi :span="4">
+                  <n-input-number v-model:value="row.stock" :min="0" size="small" style="width:100%;" placeholder="库存" />
+                </n-gi>
+                <n-gi :span="2">
+                  <n-button size="small" quaternary type="error" @click="removeVariantRow(index)">
+                    <i class="fas fa-trash" />
+                  </n-button>
+                </n-gi>
+                <n-gi :span="22">
+                  <n-input v-model:value="row.image" placeholder="变体图片 URL（可选）" size="small" />
+                </n-gi>
+              </n-grid>
+            </div>
+          </n-spin>
+        </template>
       </n-form>
 
       <template #footer>
@@ -139,6 +184,10 @@ const message = useMessage()
 const formRef = ref(null)
 const saving = ref(false)
 const loadingTaxonomy = ref(false)
+const loadingVariants = ref(false)
+const savingVariants = ref(false)
+const variants = ref([])
+let variantKeySeq = 1
 
 const isEdit = computed(() => !!props.productId)
 
@@ -260,6 +309,122 @@ function onTagsUpdate(values) {
   })
 }
 
+function attributesToText(attrs) {
+  if (!Array.isArray(attrs) || !attrs.length) return ''
+  return attrs
+    .map((item) => {
+      if (!item || typeof item !== 'object') return ''
+      const name = String(item.name ?? item.key ?? '').trim()
+      const value = String(item.value ?? '').trim()
+      if (!name && !value) return ''
+      return name ? `${name}:${value}` : value
+    })
+    .filter(Boolean)
+    .join(';')
+}
+
+function textToAttributes(text) {
+  const raw = String(text || '').trim()
+  if (!raw) return []
+  return raw
+    .split(/[;；\n]+/)
+    .map(part => part.trim())
+    .filter(Boolean)
+    .map((part) => {
+      const sep = part.includes(':') ? ':' : (part.includes('：') ? '：' : null)
+      if (!sep) return { name: '规格', value: part }
+      const [name, ...rest] = part.split(sep)
+      return { name: (name || '规格').trim(), value: rest.join(sep).trim() }
+    })
+    .filter(item => item.value !== '')
+}
+
+function mapVariantFromApi(row) {
+  return {
+    _key: `v_${variantKeySeq++}`,
+    id: row.id || 0,
+    sku: row.sku || '',
+    price: Number(row.price || 0),
+    stock: Number(row.stock || 0),
+    image: row.image || '',
+    attrsText: attributesToText(row.attributes),
+  }
+}
+
+function buildVariantsPayload() {
+  return variants.value.map((row, index) => ({
+    sku: String(row.sku || '').trim(),
+    price: Number(row.price || 0),
+    stock: Math.max(0, parseInt(row.stock, 10) || 0),
+    image: String(row.image || '').trim(),
+    attributes: textToAttributes(row.attrsText),
+    sort_order: index,
+  }))
+}
+
+function addVariantRow() {
+  variants.value = [
+    ...variants.value,
+    {
+      _key: `v_${variantKeySeq++}`,
+      id: 0,
+      sku: '',
+      price: Number(form.price || 0),
+      stock: Number(form.stock || 0),
+      image: '',
+      attrsText: '',
+    },
+  ]
+}
+
+function removeVariantRow(index) {
+  variants.value = variants.value.filter((_, i) => i !== index)
+}
+
+async function loadVariants(productId) {
+  if (!productId) {
+    variants.value = []
+    return
+  }
+  loadingVariants.value = true
+  try {
+    const res = await api.request(`/shop/products/${productId}/variants`)
+    const list = res?.data?.variants || res?.variants || []
+    variants.value = Array.isArray(list) ? list.map(mapVariantFromApi) : []
+  } catch {
+    variants.value = []
+    message.warning('变体加载失败')
+  } finally {
+    loadingVariants.value = false
+  }
+}
+
+async function persistVariants(productId) {
+  if (!productId) return false
+  await api.request(`/shop/products/${productId}/variants`, {
+    method: 'POST',
+    data: { variants: buildVariantsPayload() },
+  })
+  return true
+}
+
+async function saveVariantsOnly() {
+  if (!props.productId) {
+    message.warning('请先保存商品')
+    return
+  }
+  savingVariants.value = true
+  try {
+    await persistVariants(props.productId)
+    message.success('变体已保存')
+    await loadVariants(props.productId)
+  } catch (err) {
+    message.error(err?.message || '变体保存失败')
+  } finally {
+    savingVariants.value = false
+  }
+}
+
 // Load product data when editing
 watch(() => props.show, async (val) => {
   if (val) {
@@ -286,16 +451,17 @@ watch(() => props.show, async (val) => {
             support_refund: res.data.support_refund !== false,
           })
         }
+        await loadVariants(props.productId)
       } catch {
         message.error('加载商品失败')
       }
     } else {
-      // Reset form for create
       Object.assign(form, {
         title: '', price: 0, stock: 0, excerpt: '', content: '', status: 'publish',
         image: '', galleryText: '', categories: [], tags: [],
         shipping_mode: 'digital', shipping_fee: 0, after_sale_policy: '', support_refund: true,
       })
+      variants.value = []
     }
   }
 })
@@ -321,14 +487,19 @@ async function handleSave() {
     if (isEdit.value) {
       await api.request(`/shop/products/${props.productId}`, {
         method: 'POST',
-        body: JSON.stringify(payload),
+        data: payload,
       })
+      await persistVariants(props.productId)
       message.success('商品已更新')
     } else {
-      await api.request('/shop/products', {
+      const res = await api.request('/shop/products', {
         method: 'POST',
-        body: JSON.stringify(payload),
+        data: payload,
       })
+      const productId = res?.data?.id || res?.id || null
+      if (productId && variants.value.length) {
+        await persistVariants(productId)
+      }
       message.success('商品已创建')
     }
     emit('update:show', false)
@@ -340,3 +511,13 @@ async function handleSave() {
   }
 }
 </script>
+
+<style scoped>
+.aksrt-variant-row {
+  padding: 10px;
+  margin-bottom: 8px;
+  border: 1px solid var(--n-border-color, #e5e7eb);
+  border-radius: 8px;
+  background: var(--n-color-modal, #fafafa);
+}
+</style>

inc/classes/admin/class-aksrt-admin-shop-controller-variant-export-operations.php

@@ -31,7 +31,9 @@ trait AKSRT_Admin_Shop_Controller_Variant_Export_Operations {
             return $this->error('商品不存在', 404);
         }
 
-        $params = $request->get_json_params() ?? [];
+        $params = method_exists($this, 'get_json_params')
+            ? $this->get_json_params($request)
+            : ($request->get_json_params() ?? []);
         $variants = $params['variants'] ?? [];
         if (!is_array($variants)) {
             return $this->error('变体数据格式错误');