fix: 修复api.request的POST/PUT数据序列化问题，统一处理

src/api/index.js

@@ -19,11 +19,17 @@ const request = (url, method, query = {}, data = {}) => {
     requestData = data
   }
   
+  // POST/PUT 请求需要 JSON 序列化
+  let requestBody = requestData
+  if (method !== 'GET' && Object.keys(requestData).length > 0) {
+    requestBody = JSON.stringify(requestData)
+  }
+  
   return new Promise((resolve, reject) => {
     uni.request({
       url: BASE_URL + url,
       method: method,
-      data: requestData,
+      data: requestBody,
       header: {
         'Content-Type': useFormData ? 'application/x-www-form-urlencoded' : 'application/json',
         'Authorization': token ? `Bearer ${token}` : '',

src/api/product.js

@@ -15,50 +15,14 @@ export default {
    * 新增分类
    */
   createCategory(data) {
-    const token = uni.getStorageSync('token')
-    const role = uni.getStorageSync('role') || ''
-    return new Promise((resolve, reject) => {
-      uni.request({
-        url: `${import.meta.env.VITE_API_BASE_URL}/products/categories`,
-        method: 'POST',
-        data: JSON.stringify(data),
-        header: {
-          'Content-Type': 'application/json',
-          'Authorization': token ? `Bearer ${token}` : '',
-          'X-User-Role': role
-        },
-        success: (res) => {
-          if (res.data.code === 0) resolve(res.data.data)
-          else reject(res.data)
-        },
-        fail: reject
-      })
-    })
+    return api.request('/products/categories', 'POST', {}, data)
   },
 
   /**
    * 修改分类
    */
   updateCategory(id, data) {
-    const token = uni.getStorageSync('token')
-    const role = uni.getStorageSync('role') || ''
-    return new Promise((resolve, reject) => {
-      uni.request({
-        url: `${import.meta.env.VITE_API_BASE_URL}/products/categories/${id}`,
-        method: 'PUT',
-        data: JSON.stringify(data),
-        header: {
-          'Content-Type': 'application/json',
-          'Authorization': token ? `Bearer ${token}` : '',
-          'X-User-Role': role
-        },
-        success: (res) => {
-          if (res.data.code === 0) resolve(res.data.data)
-          else reject(res.data)
-        },
-        fail: reject
-      })
-    })
+    return api.request(`/products/categories/${id}`, 'PUT', {}, data)
   },
 
   /**
@@ -134,34 +98,7 @@ export default {
    * 保存种类的属性定义
    */
   saveCategoryAttributes(categoryId, attrs) {
-    const token = uni.getStorageSync('token')
-    const role = uni.getStorageSync('role') || ''
-    return new Promise((resolve, reject) => {
-      // 将数据转为 form 数据格式
-      let formData = new Object()
-      attrs.forEach((attr, index) => {
-        formData[`attributes[${index}].name`] = attr.name || ''
-        formData[`attributes[${index}].attrType`] = attr.attrType || 'number'
-        formData[`attributes[${index}].unit`] = attr.unit || ''
-      })
-      uni.request({
-        url: `${import.meta.env.VITE_API_BASE_URL}/products/categories/${categoryId}/attributes`,
-        method: 'POST',
-        data: formData,
-        header: {
-          'Authorization': token ? `Bearer ${token}` : '',
-          'X-User-Role': role
-        },
-        success: (res) => {
-          if (res.data.code === 0) {
-            resolve(res.data.data)
-          } else {
-            reject(res.data)
-          }
-        },
-        fail: reject
-      })
-    })
+    return api.request(`/products/categories/${categoryId}/attributes`, 'POST', {}, { attributes: attrs })
   },
 
   // ============ 商品属性 ============

src/pages/category/index.vue

@@ -211,21 +211,16 @@ export default {
       this.showAttrDialog = false
     },
     async saveAttributes() {
-      console.log('this.attributes:', JSON.stringify(this.attributes))
       const validAttrs = this.attributes.filter(a => a.name.trim())
-      console.log('validAttrs:', JSON.stringify(validAttrs))
       if (validAttrs.length === 0) {
         uni.showToast({ title: '请至少添加一个属性', icon: 'none' })
         return
       }
       try {
-        const payload = { attributes: JSON.parse(JSON.stringify(validAttrs)) }
-        console.log('payload:', JSON.stringify(payload))
-        await api.request(`/products/categories/${this.currentCategory.categoryId}/attributes`, 'POST', {}, payload)
+        await productApi.saveCategoryAttributes(this.currentCategory.categoryId, validAttrs)
         uni.showToast({ title: '保存成功', icon: 'success' })
         this.closeAttrDialog()
       } catch (e) {
-        console.error('保存失败:', e)
         uni.showToast({ title: '保存失败', icon: 'none' })
       }
     }