2026-05-24 10:34:02 +08:00
|
|
|
|
const Router = require('koa-router');
|
|
|
|
|
|
const fetch = require('node-fetch');
|
|
|
|
|
|
|
|
|
|
|
|
const router = new Router();
|
|
|
|
|
|
|
2026-05-24 11:04:24 +08:00
|
|
|
|
// NVIDIA API 配置(NVCF 云 API)
|
2026-05-24 10:34:02 +08:00
|
|
|
|
const NVIDIA_API_KEY = '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';
|
|
|
|
|
|
const NVIDIA_API_URL = 'https://integrate.api.nvidia.com/v1/chat/completions';
|
|
|
|
|
|
|
|
|
|
|
|
// 生成商品信息的 API
|
|
|
|
|
|
router.post('/generate-product', async (ctx) => {
|
|
|
|
|
|
try {
|
|
|
|
|
|
const { imageUrl, keywords } = ctx.request.body;
|
|
|
|
|
|
|
|
|
|
|
|
if (!imageUrl && !keywords) {
|
|
|
|
|
|
ctx.status = 400;
|
|
|
|
|
|
ctx.body = {
|
|
|
|
|
|
code: 400,
|
|
|
|
|
|
message: '请提供商品图片或关键词'
|
|
|
|
|
|
};
|
|
|
|
|
|
return;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2026-05-24 11:21:24 +08:00
|
|
|
|
let prompt = '你是一个专业的便利店商品管理助手。';
|
|
|
|
|
|
|
|
|
|
|
|
if (imageUrl) {
|
|
|
|
|
|
prompt += `\n请分析这张商品图片:${imageUrl}`;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (keywords) {
|
|
|
|
|
|
prompt += `\n关键词:${keywords}`;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
prompt += `
|
2026-05-24 10:34:02 +08:00
|
|
|
|
请生成商品的详细信息,返回JSON格式,不要包含其他内容:
|
|
|
|
|
|
{
|
|
|
|
|
|
"name": "商品名称(简洁明了,2-10字)",
|
|
|
|
|
|
"category": "商品分类(请从以下选择:饮料,零食,日用品,食品,烟酒,其他)",
|
|
|
|
|
|
"description": "商品详细描述(50-100字,突出产品特点)",
|
|
|
|
|
|
"suggestedPrice": 建议售价(数字)
|
|
|
|
|
|
}`;
|
|
|
|
|
|
|
2026-05-24 11:21:24 +08:00
|
|
|
|
const response = await fetch(NVIDIA_API_URL, {
|
|
|
|
|
|
method: 'POST',
|
|
|
|
|
|
headers: {
|
|
|
|
|
|
'Authorization': `Bearer ${NVIDIA_API_KEY}`,
|
|
|
|
|
|
'Content-Type': 'application/json'
|
|
|
|
|
|
},
|
|
|
|
|
|
body: JSON.stringify({
|
2026-05-24 18:18:44 +08:00
|
|
|
|
model: 'deepseek-v4-flash',
|
2026-05-24 11:21:24 +08:00
|
|
|
|
messages: [
|
|
|
|
|
|
{
|
|
|
|
|
|
role: 'user',
|
|
|
|
|
|
content: prompt
|
|
|
|
|
|
}
|
|
|
|
|
|
],
|
|
|
|
|
|
temperature: 0.7,
|
|
|
|
|
|
max_tokens: 500
|
|
|
|
|
|
}),
|
2026-05-24 14:44:35 +08:00
|
|
|
|
timeout: 30000
|
2026-05-24 11:21:24 +08:00
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
|
|
if (!response.ok) {
|
|
|
|
|
|
const errorText = await response.text();
|
|
|
|
|
|
console.error('NVIDIA API Error:', response.status, errorText);
|
2026-05-24 14:44:35 +08:00
|
|
|
|
|
|
|
|
|
|
let errorMsg = 'AI 服务调用失败';
|
|
|
|
|
|
if (response.status === 401) {
|
|
|
|
|
|
errorMsg = 'API Key 无效,请检查密钥配置';
|
|
|
|
|
|
} else if (response.status === 403) {
|
|
|
|
|
|
errorMsg = 'API 调用被拒绝,请检查账户权限';
|
|
|
|
|
|
} else if (response.status === 429) {
|
|
|
|
|
|
errorMsg = 'API 调用次数超限,请稍后重试';
|
|
|
|
|
|
} else if (response.status === 503) {
|
|
|
|
|
|
errorMsg = 'AI 服务暂时不可用,请稍后重试';
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
ctx.status = response.status;
|
2026-05-24 11:21:24 +08:00
|
|
|
|
ctx.body = {
|
2026-05-24 14:44:35 +08:00
|
|
|
|
code: response.status,
|
|
|
|
|
|
message: errorMsg
|
2026-05-24 11:21:24 +08:00
|
|
|
|
};
|
|
|
|
|
|
return;
|
|
|
|
|
|
}
|
2026-05-24 11:18:31 +08:00
|
|
|
|
|
2026-05-24 11:21:24 +08:00
|
|
|
|
const data = await response.json();
|
|
|
|
|
|
const aiResponse = data.choices?.[0]?.message?.content;
|
|
|
|
|
|
|
|
|
|
|
|
if (!aiResponse) {
|
|
|
|
|
|
ctx.status = 500;
|
|
|
|
|
|
ctx.body = {
|
|
|
|
|
|
code: 500,
|
|
|
|
|
|
message: 'AI 服务返回为空'
|
|
|
|
|
|
};
|
|
|
|
|
|
return;
|
2026-05-24 11:04:24 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-05-24 11:21:24 +08:00
|
|
|
|
const jsonMatch = aiResponse.match(/\{[\s\S]*\}/);
|
|
|
|
|
|
if (!jsonMatch) {
|
|
|
|
|
|
ctx.status = 500;
|
|
|
|
|
|
ctx.body = {
|
|
|
|
|
|
code: 500,
|
2026-05-24 14:44:35 +08:00
|
|
|
|
message: '无法解析 AI 响应格式'
|
2026-05-24 11:21:24 +08:00
|
|
|
|
};
|
|
|
|
|
|
return;
|
2026-05-24 10:34:02 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
2026-05-24 11:21:24 +08:00
|
|
|
|
const productInfo = JSON.parse(jsonMatch[0]);
|
|
|
|
|
|
|
2026-05-24 10:34:02 +08:00
|
|
|
|
ctx.body = {
|
|
|
|
|
|
code: 200,
|
2026-05-24 11:21:24 +08:00
|
|
|
|
message: '生成成功',
|
2026-05-24 10:34:02 +08:00
|
|
|
|
data: productInfo
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
} catch (error) {
|
|
|
|
|
|
console.error('生成商品信息失败:', error);
|
2026-05-24 14:44:35 +08:00
|
|
|
|
|
|
|
|
|
|
let errorMsg = '生成失败,请稍后重试';
|
|
|
|
|
|
if (error.message.includes('timeout')) {
|
|
|
|
|
|
errorMsg = 'AI 服务响应超时,请检查网络或稍后重试';
|
|
|
|
|
|
} else if (error.message.includes('ENOTFOUND')) {
|
|
|
|
|
|
errorMsg = '无法连接到 AI 服务,请检查网络设置';
|
|
|
|
|
|
} else if (error.message.includes('ECONNRESET')) {
|
|
|
|
|
|
errorMsg = 'AI 服务连接中断,请稍后重试';
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
ctx.status = 503;
|
2026-05-24 10:34:02 +08:00
|
|
|
|
ctx.body = {
|
2026-05-24 14:44:35 +08:00
|
|
|
|
code: 503,
|
|
|
|
|
|
message: errorMsg
|
2026-05-24 10:34:02 +08:00
|
|
|
|
};
|
|
|
|
|
|
}
|
|
|
|
|
|
});
|
|
|
|
|
|
|
2026-05-24 11:21:24 +08:00
|
|
|
|
module.exports = router.routes();
|