module.exports = { ensureAuthenticated: (req, res, next) => { if (req.session && req.session.user) { return next(); } console.log( '请先登录'); res.redirect('/login'); }, ensureAdmin: (req, res, next) => { if ( req.session.user.username === 'admin') { return next(); } console.log( '您没有管理员权限'); res.redirect('/'); } };