可选options: RelationOptionsA many-to-one relation allows creating the type of relation where Entity1 can have a single instance of Entity2, but Entity2 can have multiple instances of Entity1. Entity1 is the owner of the relationship, and stores the id of Entity2 on its side of the relation.
可选inverseSide: string | ((object: T) => any)可选options: RelationOptions
A many-to-one relation allows creating the type of relation where Entity1 can have a single instance of Entity2, but Entity2 can have multiple instances of Entity1. Entity1 is the owner of the relationship, and stores the id of Entity2 on its side of the relation.