mongoose的populate的联合查询,双向联合查询
const Schema = mongoose.Schema;var Animal = new Schema({ name:String}); var Category = new Schema({ category: [{type: Schema.Types.ObjectId…
mongoose populate 关联查询问题
查询有一条不能对应，返回结果就是undefined Anchors.populate(models,{ path: 'anchorsid',select: 'name' }, function (err, model) { console.log…
