通过猫鼬将项目推入mongo数组
people: {
name: String,
friends: [{firstName: String, lastName: String}]
}db.people.update({name: "John"}, {$push: {friends: {firstName: "Harry", lastName: "Potter"}}});最新情况:
app.get('/addfriend', users.addFriend);exports.addFriend = function (req, res, next){var friend = {"firstName": req.body.fName, "lastName": req.body.lName};Users.findOneAndUpdate({name: req.user.name}, {$push: {friends: friend}});};
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