云服务器对外提供api

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

let items = [
    { id: 1, name: 'Item 1' },
    { id: 2, name: 'Item 2' }
];

// 获取所有项目
app.get('/items', (req, res) => {
    res.json(items);
});

// 获取单个项目
app.get('/items/:id', (req, res) => {
    const item = items.find(i => i.id === parseInt(req.params.id));
    if (!item) return res.status(404).send('Item not found');
    res.json(item);
});

// 创建新项目
app.post('/items', (req, res) => {
    const item = {
        id: items.length + 1,
        name: req.body.name
    };
    items.push(item);
    res.status(201).json(item);
});

// 更新项目
app.put('/items/:id', (req, res) => {
    const item = items.find(i => i.id === parseInt(req.params.id));
    if (!item) return res.status(404).send('Item not found');
    item.name = req.body.name;
    res.json(item);
});

// 删除项目
app.delete('/items/:id', (req, res) => {
    const index = items.findIndex(i => i.id === parseInt(req.params.id));
    if (index === -1) return res.status(404).send('Item not found');
    items.splice(index, 1);
    res.status(204).send();
});

const port = process.env.PORT || 3000;
app.listen(port, () => console.log(`Listening on port ${port}...`));