英文:
Is it possible to omit FieldID in struct when using gorm?
问题
看一个他们文档中的例子：
type User struct {
gorm.Model
Name string
CompanyID int
Company Company
}
type Company struct {
ID int
Name string
}
CompanyID 字段似乎有些多余。是否可以使用 Company 字段上的一些标签来摆脱它？
英文:
Looking at an example from their documentation:
type User struct {
gorm.Model
Name string
CompanyID int
Company Company
}
type Company struct {
ID int
Name string
}
CompanyID field seems rather redundant. Is it possible to get rid of it using some tags on Company field instead?
答案1
得分: 1
将User的定义更改为以下内容即可解决问题：
type User struct {
gorm.Model
Name string
Company Company `gorm:"column:company_id"`
}
英文:
Changing User definition like this did the trick:
type User struct {
gorm.Model
Name string
Company Company `gorm:"column:company_id"`
}
答案2
得分: 0
你可以创建自己的BaseModel，而不是使用gorm.Model，例如：
type BaseModel struct {
ID uint `gorm:"not null;AUTO_INCREMENT;primary_key;"`
CreatedAt *time.Time
UpdatedAt *time.Time
DeletedAt *time.Time `sql:"index"`
}
然后，在User结构体中，可以像这样做，基本上是覆盖默认的Foreign Key：
type User struct {
BaseModel
Name string
Company company `gorm:"foreignKey:id"`
}
还有Company结构体：
type Company struct {
BaseModel
Name string
}
英文:
You can create your own BaseModel instead of using gorm.Model, for example
type BaseModel struct {
ID uint `gorm:"not null;AUTO_INCREMENT;primary_key;"`
CreatedAt *time.Time
UpdatedAt *time.Time
DeletedAt *time.Time `sql:"index"`
}
Then, in the User, do something like this, basically overriding the default Foreign Key
type User struct {
BaseModel
Name string
Company company `gorm:"foreignKey:id"`
}
And the Company
type Company struct {
BaseModel
Name string
}
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