统一身份认证系统




npm install jsonwebtoken
const jwt = require('jsonwebtoken');
const secretKey = 'your_secret_key';
function generateToken(userId) {
return jwt.sign({ userId }, secretKey, { expiresIn: '1h' });
}
SELECT * FROM users ORDER BY score DESC LIMIT 10;
app.get('/leaderboard', async (req, res) => {
try {
const leaderboard = await User.find().sort({ score: -1 }).limit(10);
res.json(leaderboard);
} catch (error) {
res.status(500).send(error.message);
}
});