package dao import ( "time" "gorm.io/gorm" ) // 参考gorm.Model实现 type BaseModel struct { ID uint64 `gorm:"primarykey"` CreatedAt time.Time `gorm:"type:datetime(0)"` // 精度维持到秒 UpdatedAt time.Time `gorm:"type:datetime(0)"` // 精度维持到秒 DeletedAt gorm.DeletedAt `gorm:"index;datetime(0)"` // 精度维持到秒 }