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This commit is contained in:
zhangkun9038@dingtalk.com 2025-03-17 10:09:54 +08:00
commit 0c645b3800
3 changed files with 147 additions and 0 deletions

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package.json Normal file
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{
"name": "chat-api",
"version": "1.0.0",
"description": "Chat API with Node.js",
"main": "server.js",
"scripts": {
"start": "node server.js"
},
"dependencies": {
"express": "^4.18.2",
"axios": "^1.6.2",
"cors": "^2.8.5"
}
}

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public/index.html Normal file
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chat API</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
}
.container {
max-width: 800px;
margin: 0 auto;
}
textarea {
width: 100%;
height: 100px;
margin-bottom: 10px;
}
button {
padding: 10px 20px;
background-color: #007bff;
color: white;
border: none;
cursor: pointer;
}
.response {
margin-top: 20px;
padding: 15px;
background-color: #f5f5f5;
border-radius: 5px;
}
</style>
</head>
<body>
<div class="container">
<h1>Chat with AI</h1>
<textarea id="messageInput" placeholder="请输入您的问题..."></textarea>
<button onclick="sendMessage()">发送</button>
<div class="response" id="responseArea"></div>
</div>
<script>
async function sendMessage() {
const message = document.getElementById('messageInput').value;
const responseArea = document.getElementById('responseArea');
if (!message) {
alert('请输入消息');
return;
}
try {
const response = await fetch('/api/chat', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ message })
});
const data = await response.json();
if (data.status === 'success') {
responseArea.innerHTML = `<strong>回复:</strong><br>${data.response.output.text}`;
} else {
responseArea.innerHTML = '请求失败,请稍后重试';
}
} catch (error) {
console.error(error);
responseArea.innerHTML = '网络错误,请检查连接';
}
}
</script>
</body>
</html>

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server.js Normal file
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const express = require('express');
const axios = require('axios');
const cors = require('cors');
const path = require('path');
const app = express();
const PORT = 3000;
// 中间件
app.use(cors());
app.use(express.json());
app.use(express.static(path.join(__dirname, 'public')));
// API路由
app.post('/api/chat', async (req, res) => {
try {
const userMessage = req.body.message;
const response = await axios.post('https://dashscope.aliyuncs.com/api/v1/services/aigc/text-generation/generation', {
model: "farui-plus",
input: {
messages: [
{ role: "system", content: "You are a helpful assistant." },
{ role: "user", content: userMessage }
]
}
}, {
headers: {
'Authorization': `Bearer YOUR_API_KEY`,
'Content-Type': 'application/json'
}
});
res.json({
status: 'success',
response: response.data
});
} catch (error) {
console.error(error);
res.status(500).json({
status: 'error',
message: 'Internal server error'
});
}
});
// 前端路由
app.get('*', (req, res) => {
res.sendFile(path.join(__dirname, 'public', 'index.html'));
});
app.listen(PORT, () => {
console.log(`Server is running on http://localhost:${PORT}`);
});