优化

internal/data/department.go

@@ -12,6 +12,10 @@ import (
 	"gorm.io/gorm"
 )
 
+type departmentRepo struct{ data *Data }
+
+func NewDepartmentRepo(data *Data) biz.DepartmentRepo { return &departmentRepo{data: data} }
+
 type departmentPO struct {
 	ID        uint `gorm:"primaryKey"`
 	CreatedAt time.Time