// query
router.get("/cartList", (req, res, next) => {
User.findOne({ userId: "123456" }, (err, doc) => { });
}
// query
router.get("/cartList", (req, res, next) => {
let userId = req.cookies.userId
console.log(userId)
User.findOne({ userId: userId }, (err, doc) => { });
} the second method, userId, is also successfully typed, and it is of String type
Why?
is req.session
post your schema to see how it is written. In theory, there is no difference between the two methods.
since there is no error, it means that the grammar is fine. Is it true that there is no corresponding data in the database?
is this amazing, console.log (userId='123456') look at
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