我试图调用这个 Gorp 函数http://godoc.org/github.com/coopernurse/gorp#DbMap.Get
我正在这样做:
// ClassType
obj, err := c.Gorp.Get(entities.ClassType{}, class.ClassTypeCode)
if err != nil {
panic(err)
}
class.ClassType = obj.(*entities.ClassType) <<<<<<<<< Error here
我的班级看起来像这样:
package entities
import (
"time"
)
type Class struct {
Id int
ClassTypeCode string
VideoPath string
VideoSize int
Duration float64
CreatedAt time.Time
VisibleAt time.Time
NoLongerVisibleAt time.Time
// Relationships
ClassType ClassType
Instructor User
Equipment []Equipment
}
我不断收到此错误消息:接口转换:接口是 *entities.ClassType,而不是 entity.ClassType
如果我将代码更改为:
// ClassType
obj, err := c.Gorp.Get(entities.ClassType{}, class.ClassTypeCode)
if err != nil {
panic(err)
}
class.ClassType = obj.(*entities.ClassType)
然后我收到这条消息:
cannot use obj.(*entities.ClassType) (type *entities.ClassType) as type entities.ClassType in assignment
我究竟做错了什么?
慕哥6287543
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