我有一个表格,我可以注册一个或多个地址的用户。为简化起见,我发送回环:
{
"id": 0,
"name": "User Name",
"addresses": [
{
"street": "xx",
"city": "xx",
"country": "xx"
},
{
"street": "yy",
"city": "yy",
"country": "yy"
}
]
}
在我定义的用户模型上(我也有一个地址模型):
export class User extends Entity {
@property({
type: 'number',
id: true,
required: true,
})
id: number;
@property({
type: 'string',
required: true,
})
name: string;
@hasMany(() => Address, {keyTo: ‘user_id’})
Addresses: Array<Address>;
}
同样在UserRepository中我定义了:
this.addresses = this.createHasManyRepositoryFactoryFor(
'addresses',
AddressRepositoryGetter,
);
当我发布json时,loopback会抛出以下错误:
{
"error": {
"statusCode": 422,
"name": "ValidationError",
"message": "The `user` instance is not valid. Details: `addresses` is not defined in the model (value: undefined).",
"details": {
"context": "user",
"codes": {
"addresses": [
"unknown-property"
]
},
"messages": {
"addresses": [
"is not defined in the model"
]
}
}
}
}
我的猜测是“地址”关系不被视为模型的属性。我怎么解决这个问题?我知道我可以选择单独请求保存地址,但我想避免这种情况。
这个错误实际上是由datasource juggler引发的,它是用于连接数据库的底层连接器库。似乎地址列未在User表中定义您的数据库。请检查一下。