API Gateway Proxy
Lambda Functions

exports.handler = async (event) => { // 解析请求体 const body = JSON.parse(event.body); // 请求预处理 const processedBody = { model: body.model || 'gpt-4', messages: body.messages.map(msg => ({ role: msg.role, content: msg.content.trim() })), temperature: body.temperature || 0.7 }; // 调用AI后端 const response = await fetch('https://api.openai.com/v1/chat/completions', { method: 'POST', headers: { 'Authorization': `Bearer ${process.env.OPENAI_KEY}`, 'Content-Type': 'application/json' }, body: JSON.stringify(processedBody) }); const data = await response.json(); // 返回API Gateway格式响应 return { statusCode: 200, headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(data) }; };