AI

routes/ai.js

@@ -3,10 +3,36 @@ const fetch = require('node-fetch');
 
 const router = new Router();
 
-// NVIDIA API 配置
+// NVIDIA API 配置（NVCF 云 API）
 const NVIDIA_API_KEY = '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';
 const NVIDIA_API_URL = 'https://integrate.api.nvidia.com/v1/chat/completions';
 
+// Mock 数据（用于测试或网络不可用时）
+const mockProducts = [
+  { name: '可口可乐', category: '饮料', description: '经典碳酸饮料，清爽解渴，330ml罐装', suggestedPrice: 3.5 },
+  { name: '乐事薯片', category: '零食', description: '香脆可口，原味薯片，75g包装', suggestedPrice: 8.9 },
+  { name: '维达纸巾', category: '日用品', description: '三层加厚，柔软亲肤，10包家庭装', suggestedPrice: 25.9 },
+  { name: '康师傅方便面', category: '食品', description: '红烧牛肉面口味，12桶整箱装', suggestedPrice: 39.9 },
+  { name: '农夫山泉', category: '饮料', description: '天然矿泉水，550ml瓶装，12瓶/箱', suggestedPrice: 24.0 },
+  { name: '奥利奥饼干', category: '零食', description: '夹心饼干，巧克力口味，388g家庭装', suggestedPrice: 18.9 },
+];
+
+// 获取随机 Mock 数据
+function getMockProduct(keywords) {
+  let product = mockProducts[Math.floor(Math.random() * mockProducts.length)];
+  
+  if (keywords) {
+    const keyword = keywords.toLowerCase();
+    const matched = mockProducts.find(p => 
+      p.name.toLowerCase().includes(keyword) || 
+      p.category.toLowerCase().includes(keyword)
+    );
+    if (matched) product = matched;
+  }
+  
+  return { ...product };
+}
+
 // 生成商品信息的 API
 router.post('/generate-product', async (ctx) => {
   try {
@@ -41,59 +67,68 @@ router.post('/generate-product', async (ctx) => {
   "suggestedPrice": 建议售价（数字）
 }`;
 
-    // 调用 NVIDIA API
-    const response = await fetch(NVIDIA_API_URL, {
-      method: 'POST',
-      headers: {
-        'Authorization': `Bearer ${NVIDIA_API_KEY}`,
-        'Content-Type': 'application/json'
-      },
-      body: JSON.stringify({
-        model: 'deepseek-ai/deepseek-v4-pro',
-        messages: [
-          {
-            role: 'user',
-            content: prompt
-          }
-        ],
-        temperature: 0.7,
-        max_tokens: 500
-      })
-    });
-
-    if (!response.ok) {
-      const errorText = await response.text();
-      console.error('NVIDIA API Error:', response.status, errorText);
-      throw new Error(`API 调用失败: ${response.status}`);
-    }
-
-    const data = await response.json();
-    const aiResponse = data.choices[0].message.content;
-    
-    // 解析 JSON 响应
     let productInfo;
+    let useMock = false;
+
     try {
-      // 清理响应文本，只保留 JSON 部分
+      // 调用 NVIDIA NVCF 云 API（OpenAI 兼容格式）
+      const response = await fetch(NVIDIA_API_URL, {
+        method: 'POST',
+        headers: {
+          'Authorization': `Bearer ${NVIDIA_API_KEY}`,
+          'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+          model: 'deepseek-ai/deepseek-v4-pro',
+          messages: [
+            {
+              role: 'user',
+              content: prompt
+            }
+          ],
+          temperature: 0.7,
+          max_tokens: 500
+        }),
+        timeout: 60000 // 60秒超时
+      });
+
+      if (!response.ok) {
+        const errorText = await response.text();
+        console.error('NVIDIA API Error:', response.status, errorText);
+        throw new Error(`API 调用失败: ${response.status}`);
+      }
+
+      const data = await response.json();
+      const aiResponse = data.choices?.[0]?.message?.content;
+      
+      if (!aiResponse) {
+        console.log('API 返回为空');
+        throw new Error('API 返回为空');
+      }
+
+      // 解析 JSON 响应
       const jsonMatch = aiResponse.match(/\{[\s\S]*\}/);
       if (jsonMatch) {
         productInfo = JSON.parse(jsonMatch[0]);
       } else {
+        console.log('无法解析 JSON');
         throw new Error('无法解析 AI 响应');
       }
-    } catch (parseError) {
+
-      console.error('JSON 解析失败:', aiResponse);
+    } catch (apiError) {
-      // 如果解析失败，提供默认值
+      console.error('NVIDIA API 调用异常:', apiError.message);
-      productInfo = {
+      console.log('切换到 Mock 模式');
-        name: keywords || '新商品',
+      useMock = true;
-        category: '其他',
+    }
-        description: '商品描述',
+
-        suggestedPrice: 0
+    // 使用 Mock 数据作为备用
-      };
+    if (useMock) {
+      productInfo = getMockProduct(keywords);
     }
 
     ctx.body = {
       code: 200,
-      message: '生成成功',
+      message: useMock ? '使用模拟数据生成' : '生成成功',
       data: productInfo
     };