用于在用户登录后保持用户的回话

引入所需模块

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var session = require('express-session');
var MongoStore = require('connect-mongo')(session);
app.use(session({
    secret: 'foo',
    store: new MongoStore({
        url: dburl,
        collection: 'session'
    })
}));

保存到本地

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app.use(function(req, res, next) {
    var _user = req.session.user
    app.locals.user = _user
    next()
})