版权声明：Amazing刘许许的博客 https://blog.csdn.net/asedasdad/article/details/83113122
在脚手架中用express-session 中用到express-session配置
app.use(session({
secret: 'recommend 128 bytes random string',
cookie: { maxAge: 20 * 60 * 1000 },
resave: true,
saveUnintialized: true
}))