Node.js REST API 示例

Node.js REST API 示例

const express = require('express');
const app = express();
app.use(express.json());

// 文章 API
const articles = [];

app.get('/api/articles', (req, res) => {
  res.json(articles);
});

app.get('/api/articles/:id', (req, res) => {
  const article = articles.find(a => a.id === parseInt(req.params.id));
  if (!article) return res.status(404).json({ error: 'Not found' });
  res.json(article);
});

app.listen(3000, () => {
  console.log('API server running on port 3000');
});