如果我有两个模式,例如:
var userSchema = new Schema({
twittername: String,
twitterID: Number,
displayName: String,
profilePic: String,
});
var User = mongoose.model('User')
var postSchema = new Schema({
name: String,
postedBy: User, //User Model Type
dateCreated: Date,
comments: [{body:"string", by: mongoose.Schema.Types.ObjectId}],
});
我尝试像上面的示例一样将它们连接在一起,但我不知道该怎么做。最终,如果我能做这样的事情,那会让我的生活变得非常轻松
var profilePic = Post.postedBy.profilePic
最佳答案
听起来 populate 方法正是您想要的。首先对您的帖子架构进行一些小改动:
var postSchema = new Schema({
name: String,
postedBy: {type: mongoose.Schema.Types.ObjectId, ref: 'User'},
dateCreated: Date,
comments: [{body:"string", by: mongoose.Schema.Types.ObjectId}],
});
然后制作你的模型:
var Post = mongoose.model('Post', postSchema);
然后,当您进行查询时,您可以像这样填充引用:
Post.findOne({_id: 123})
.populate('postedBy')
.exec(function(err, post) {
// do stuff with post
});
关于javascript - 在 Mongoose 中引用另一个模式,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18001478/